dessalage trimaran

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Comment ne plus jamais dessaler ?

Il y a deux catégories de voiliers : ceux qui dessalent (ou chavirent) facilement, et... les autres. Ici tu vas apprendre à ne plus dessaler car tu sauras gérer la gîte de ton bateau. Selon les camps, tu navigueras soit sur des quillards ou dériveurs lestés (bateaux qui ont une quille ou une dérive lestée, ils ne peuvent pas dessaler), soit sur des dériveurs ou catamarans (qui eux dessalent facilement car ils sont plus légers).

Mais au fait, c’est quoi un dessalage ?

Dessaler ou chavirer (si tu navigues en eau douce), c’est quand ton voilier se couche sur l’eau. Il y a plusieurs types de dessalages : –  Le classique  : quand ton bateau se couche sur le côté –   L’enfournement  : quand ton bateau plonge dans la houle puis dessale par l’avant. C’est le plus dangereux car ton bateau se stop net et que tu risques fort de se blesser. –   La cathédrale  : (en catamaran) quand tu dessales par l’arrière. Tes deux coques forment une cathédrale dans le ciel en se levant. Bon, on te rassure, ce dessalage n’arrive que si deux poids lourds se mettent tout à l’arrière du bateau...

C’est quoi la gîte ?

La gîte c’est l’inclinaison transversale du bateau et l’assiette l’inclinaison longitudinale. (= l’inclinaison entre l’avant et l’arrière du bateau).

Avec des mots plus simples, quand tu gîtes c’est que ton bateau se penches qu’un côté au de l’autre. Généralement, ton bateau gîte du côté où les voiles sont poussées par le vent. Sur l’image si dessous, le vent vient de la gauche, le bateau est en tribord amure . Les voiles sont donc tendues en babord. (Flèche de droite). Sur l’image on voit bien la gîte : le mat est incliné du côté de la gîte.

Pourquoi on gîte ?

Il y a deux raisons pour lesquelles ton bateau gîte : le vent et le poids. –  S’il y a beaucoup de vent, il y a davantage de force de poussé sur les voiles, le bateau va gîter. –  Le poids des équipiers (et du matériel) va alourdir le bateau. En mettant tous les équipiers à la contre gîte (à gauche sur l’image ci-dessus), le bateau gîtera moins. Par petit temps, pense à bien répartir les poids afin que ton bateau soit le plus à plat possible sur l’eau.

Les 3 freins

Si ton bateau gîte beaucoup, voir dessale, c’est sans doute que tu es en surpuissance . A terre, tu peux prendre un ris sur ta voile, c’est à dire que ta Grand-Voile sera plus petite. Le vent aura donc moins de surface (de voile) pour pousser le bateau.

Sur l’eau ce n’est pas toujours possible de prendre des ris. Voici les 3 manières de gérer la surpuissance du bateau : –   Plus de poids  : l’idée est de faire contrepoids , pour redresser le bateau quand la gîte est forte. Pour cela, tu peux sortir au trapèze si c’est possible sur ton bateau, ou faire du rappel contre les filières. (En sortant les jambes du bateau). A moins de vouloir finir à l’eau, il faut toujours faire du rappel ou du trapèze au vent du bateau ! Cette méthode permet de réguler la gîte sans perdre de vitesse. –   Ouvrir la Grand Voile  : En ouvrant davantage la GV (Grand Voile), tu vas limiter la force de propulsion. Tu peux soit choquer ta GV ou ouvrir ton chariot, pas besoin de lâcher 2 mètres d’écoutes, 15-20cm suffisent. Au contraire, si tu choques en grand ta voile, ton bateau va se stopper net... –   Pousser ta barre  : Les allures où tu gîtes beaucoup sont le pré et le bon plein, en poussant ta barre tu vas te rapprocher du vent (tu vas lofer ), ce qui va ralentir le bateau.

Les allures en voile

En navigation à voile, tu as plusieurs allures. Ton allure dépend du cap de ton bateau par rapport au vent. Pour bien comprendre cet (...)

Conseils en plus : En catamaran, ton bateau va à sa vitesse maximale quand la coque au vent est à fleur d’eau. Si tu la lèves plus, tu vas augmenter la surface immergée de la coque sous le vent, et donc ralentir. En dériveur (lesté ou non) ou quillard, l’objectif est de traîner le moins d’eau possible. Plus ton arrière de bateau (la poupe) est enfoncé dans l’eau, plus ta traîné sera importante. Pour accélérer, avance les poids vers l’avant.

Sources : Arogues : http://glenans.arogues.org/niveau5.pdf Groupe René Le Bertre - Rouen

Crédit photo : Wikipedia, Paul Tanguy

Publié le 29 novembre 2016 (mis à jour le 27 mars 2022 )

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Review of nine small, folding day-trimarans (2010)

by mike waters n.a.

As much as I like the basic concept of Jim's new boat, there are a couple of aspects that I need to mention. To put a light rig from a Hobie 16 on a boat that is FAR heavier and more stable than the boat for which it was originally designed, might prove too much for this mast, especially since the shrouds are more inboard than normal—so raising the mast compression. Normally, a Hobie would just 'go over' and so relieve the load—but not this beamy 800 lb twenty-footer! Also, the too-typical, puny 4-oz sail cloth of a regular Hobie 16 sail, is hardly man enough for this job. It's certainly a low cost start up solution and we've all admired Jim for his support to those with lesser means, but I think any builder should plan on something more substantial to be a better match for this cruiser. Finally, as the ama looks to be quite substantial in volume (guessing about 800 lbs buoyancy?), I have some concern for the strength of the single plank akas (cross beams) that act as swing arms for folding, should the builder decide to choose regular construction lumber. Sooner or later, someone will push this boat hard enough to bury an ama and that's a LOT of leverage on those arms, even if they are cleverly designed to act like huge flexible wooden leaf springs. But without seeing the details, I can only suggest that some good laminated material might be in order for these parts and perhaps Jim's plans already call for that or even some added carbon here as well. But I like the general concept and even though the boat will be no speedster, it's a design that can give a young couple on a small budget, a lot of weekend pleasure provided the conditions are within what the rig and swing arms can take.

• This particular Performance Index is simply a product of the principal things that affect multihull performance (LOA × BOA × Sail Area) all divided by the listed Weight. By taking the square root of this value, you then get a figure that very roughly reflects speed for comparison purposes. Yes, I agree there are a lot of factors NOT taken into account with this crude approximation, but the base figures used are easy to find and at least the general trend is indicated—and quite fairly so I believe.

TRIKALA 19 The Trikala 19 is from the board of imaginative designer Kurt Hughes. This boat was actually in production for a while in Spain but since then, a few have also been built by amateurs. A couple reportedly even cruised the Mediterranean in one! This is a boat design that always frustrated me—perhaps wrongly so.

For me as a designer, the looks of a boat are almost as important as its performance and the Trikala looks quite stunning from the bow, with its long fine entry and streamlined deck lines. But then, as it opens out to encompass a very wide cockpit aft, it always appeared to me that something distracted the designer or he just lost interest, as the view from the stern quarter is not so elegant. It's no doubt practical but it's a shame that its wonderful efficient appearance from the bow could not in some way be maintained at the stern. But with that very personal comment aside, this is an interesting boat with no doubt a good performance. It would be a particularly interesting boat to build for someone wanting to learn about composite construction with a larger boat in mind 'down the road', as the Trikala is lightly built of foam core under fibreglass skins and would therefore provide a good learning experience. The boat does not fold in a conventional way but like some other small designs by Kurt, uses a sliding system with tubular akas, the port ones, sliding into tubes with Teflon runners behind the starboard ones—so the two sides are not exactly symmetrical—a factor that some potential buyers find disturbing, though the difference is purely cosmetic. (The larger 7 m, L7 by Mike Leneman, also uses a similar sliding system – though in this case he uses fiberglass channels—see my REPORT on SMALL TRIMARANS for more on the L7, available through my website.)

W17 This design of mine was created during 2009 and completed in 2010.  It's hard to review your own boat designs without being accused of inevitable bias, so I will simply tell you about it and point out the features I've incorporated and why.  However, time has now shown [2020] it's as good as I had hoped and expected her to be.

This is a primarily a boat 'to just enjoy sailing in'. She's designed to be comfortable, way drier than average, fast and efficient and is just at home on a weekend camping cruise as on the circuit.   With several boats now [2020] having each sailed and cruised over 1000 miles and with open sea passages of up to 60 miles safely accomplished, she is certainly proving very capable in experienced hands, employing intelligent sail reduction when things get rough.   Her seemingly simple hull forms give a very high efficiency and she has proven quiet and dry through a chop and with her wing mast and unique ama shape, shows an unusual ability to climb to windward with minimal leeway.   [Following an independent test and review by Wooden Boat Mag., I was asked to explain why the W17 performed so well with such simple shapes and my reply to this was published in the prestigious Professional Boatbuilding magazine #169 .. and is available to read on this website under 'Published Articles'].    

Sailing this boat is indeed a magical experience and dozens of boats are now (2020 update) being built in over 30 countries.   She's a little more time-consuming to build than others her size, but numerous owners have since dubbed her, 'The Miata of the Seas' .      For them, a few more hours is well worth the effect and this boat will take you to a whole new level above any production boat of this size out there .... and also cost you less.

Comparison Chart  (created in 2010)

Yachting Monthly

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Wow, that was fast! Why trimarans are SO much fun to sail – and how to do it

• Theo Stocker
• February 13, 2024

For their size, trimarans can punch well above their weight in speed, cruising potential and fun. Monohull sailor Theo Stocker gets to grips with how to handle one

Humans tend to gravitate into tribes of like-minded enthusiasts, enjoying the encouragement, support and sense of identity, while often looking askance at others; sailors at motorboaters, cruising sailors at racers, monohull sailors at raft, I mean, multihull sailors, and everyone looks askance at jet-skiers.

Large cruising catamarans (40ft now counts as a small one) are a world apart from monohull sailing, but there’s a sub-tribe of sailors dedicated to life on three hulls and builders such as Dragonfly, Corsair, Farrier, and Astus give them plenty of choice.

I’ve been sailing a 22ft (7m) Astus 22.5 this season, with just enough space for a family of four and a minimum of creature comforts. Thanks to her VPLP-designed hulls and 650kg all-up weight, we can sail upwind at 7-plus knots and downwind at over 10 knots with ease, all on a roughly even keel, while the kids play Duplo down below. It can also be beached and is towable behind a car.

Having, it seems, caught the trimaran bug, I wanted to get better at sailing and handling the boat, but my monohull sailing experience and habits were proving something of a hindrance, so we sought advice from some existing trimaran owners, and well as the UK’s top multihull sailors.

Much of the advice will apply to all multihulls , whether two or three-hulled, while other parts are just for small trimarans. I also found that brushing-up some of my rusty dinghy sailing skills helped get my head around what we were trying to do.

To try out our expert tips we went out sailing to see what difference they made. On the day, we got a solid Force 4-5 southwesterly, averaging 16 knots, but fluctuating between 12 and 20 knots true.

Blasting about on a sporty trimaran is a whole world of fun, but is much calmer than it looks

Trimaran sail trim

One of the biggest differences between a cruising monohull and a multihull is how the mainsail is trimmed. Leech tension on a yacht is often largely controlled by the kicker and the backstay, while the mainsheet sheets the mainsail in and out, predominantly controlling the angle of the boom to the centreline, and there may be a short traveller.

On a mulithull, however, there’s more than enough space for a good, wide traveller. Those who sail on performance monohulls will also be used to this. The sail shape is mainly controlled by the mainsheet, and the traveller then moves the boom towards or away from the centreline.

This is exaggerated on a multihull which has wide shrouds, swept well aft with no backstay, making space for a powerful square-top mainsail with full-length battens. There’s no backstay to bend the mast and flatten what is anyway a pretty rigid mainsail.

The mainsheet purchase creates enough power to control the leech of the square-top mainsail

Depowering a trimaran

Sailing on a monohull, heel and weatherhelm and eventually a broach give loads of warning that you’re pushing too hard. With straight hulls and little heel, those warning signs don’t really apply to multihulls.

In reality, however, there are a host of warning signals that it’s time to back-off; they’re just a bit different. Even then, there’s still a large safety margin before you get close to danger.

By way of reassurance, with the boat powered up on a beat, Hein, from Boats on Wheels, the boat’s owner, stood on the leeward hull and lent on the shrouds. Even as his feet got wet and the wind gusted at the top of Force 4, the boat didn’t bat an eyelid, thanks to the huge buoyancy of the floats.

Even with a person on the leeward float the boat was extremely stable

On the water – sail trim

My first inclination was to point the boat as high upwind as possible, pin the sails in and go for height. Doing that resulted in a not-terrible boat speed of 5-6 knots and a good pointing angle.

Free off by a handful of degrees however, and ease the sails just a smidge, and the speed leapt up to 8-9 knots – over 50% more; a huge increase. So, don’t pinch. If you had a decent chartplotter on board, you could find your optimum speed to angle using velocity made good (VMG).

I was also tempted to pinch in the gusts, but it’s better to hold your course and let the speed increase until the main needs easing.

On the wind, it’s time to get the boat fully powered up

If that’s the case, drop the main down the traveller an inch or two or ease some twist into the mainsail and it makes all the difference in the world, but not so far that the top battens fall away and invert – that really isn’t fast. Push too hard and the boat will slow down, largely from the drag of submerging the leeward float and crossbeams. If you’re still overpowered and the main is luffing, it’s time to reef. Downwind is different, but we’ll get onto that later.

After we put a reef in the main, our boat speeds upwind remained largely the same, and the boat was much happier. I came away feeling reassured that even a little trimaran like this would be pretty difficult to capsize, and there were always plenty of warning signs telling me to take my foot off the pedal a little.

Article continues below…

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Tacking and gybing a trimaran

Everyone knows that multihulls don’t tack as well as monohulls. Straight hulls and wide beam don’t lend themselves to turning, especially when coupled with the displacement and fixed keels of big cats. Trimarans are a little easier, with a single central daggerboard to act as a pivot, and one or other of the floats will generally be clear of the water. On the downside, light displacement means that there isn’t much momentum to keep you going through the turn and plenty of windage to stop you.

On a trimaran the central daggerboard helps the boat to turn by providing a central pivot point that catamarans lack

Speed is your friend. Build speed up before the tack to give you as much momentum as possible. The helm needs to steer positively into and through the turn, and if necessary, keep the jib backed on the new windward side to help the bow through the wind. Don’t worry about scrubbing speed off, but you don’t want to get stuck in irons.

When it comes to gybing, speed is again key. The turning bit isn’t going to be an issue as you’ll be scooting along, but the faster you’re going, the less load there will be on the sails. The more you slow down, the more the true wind will pile up.

Trimaran sailing skills

Tacks took a bit of practice. It felt plain wrong to jab the tiller across the boat, slamming a big break on in the water but I ended up putting us through the tacks far too slowly, losing a lot of speed. A more aggressive approach worked better. On the Astus, the traveller was between me and the tiller, so the tiller extension needed to be swung around the stern behind the mainsheet onto the new side.

Similarly, old habits of controlling a gybe needed to be modified. With the asymmetric set, we were planing at well over 10 knots, and the ideal is to stay on the plane. Heading dead downwind and centring the main lead to a more violent manoeuvre than flying into the gybe as fast as possible and, as the boom was never that far out thanks to the apparent wind angle, it didn’t need much extra controlling.

Coming up onto the wind after the gybe helped the asymmetric around the front of the jib and to fill on the new side. Stay too deep and it’ll get blanketed by the main. Once we had built up some apparent wind, we could bear away again.

You’ll be on a course deep downwind before you know it, hitting speeds in the double digits

Downwind in a trimaran

Upwind cruising may be fun in a multihull, but bearing away and going with the wind is what it’s all about. Easily-driven hulls, a generous sailplan and light weight mean you can be up and planing, leaving displacement boats wallowing in your wake.

The big difference comes from apparent wind. If you’re in a boat that can do 15 knots downwind in 20 knots of true wind, the resulting wind angles can really mess with your head.

To get going then, says Brian Thompson, ‘Use those leech tell-tales again when sailing downwind and reaching to set the correct twist through the mainsheet, and use the traveller to set the correct angle of the whole sail to the wind.’

As the wind and your speed builds, bear away and trim the main accordingly.

In theory, you shouldn’t need to ease the traveller at all, but you may need to if you want to sail deep downwind. As the gust fades, you’ll find the boat slows down, so you can come back up towards the wind a little to pick up some more breeze, and then bear away as you accelerate again.

Bear away as the boat accelerates. Your course will be something of a slalom as you look to keep a consistent wind angle

This results in something of a ‘slalom’ course, and will also be accentuated if you’re sailing down waves, but that’s all quite normal for apparent wind sailing. Ultimately, you’re looking for a consistent apparent wind angle, even if the resulting wake isn’t straight.

It’s worth remembering that apparent wind reduces the felt effect of the wind, so you need a sailplan to suit the true, not apparent wind speed.

I found that the boat was more sensitive to having a balanced sailplan and trim downwind than upwind, largely because you’ve got almost double the canvas up, with the bowsprit as an extra lever. When weather helm built, I needed to ease the mainsheet to increase twist to depower so that I could bear away. I must admit, getting the boat balanced, sailing fast and light on the helm at 15 knots was something I came away feeling I needed more practice at.

Reviewing the images, I suspect the asymmetric was sheeted in too hard, with too much twist in the main.

Getting a float fully submerged is when it’s time to back off

On the water

Unfurling the gennaker worked best on a beam reach, giving plenty of airflow over the sail to help it fully unfurl. This was also roughly the fastest point of sail, ideal for getting up some speed for apparent wind sailing. We mostly had the sails set for a close reach, even when we were beyond 120º off the true wind on a broad reach.

It was possible to soak deeper downwind, but lose the apparent wind benefit downwind and our speed dropped off dramatically, prompting us to point a bit higher to find some more speed.

As the boat powered up, it paid to hold a slightly higher angle than I would have done in a monohull for the boat to properly take off and get up into double digit speeds – topping out at 15 knots. Lymington to Cowes would have taken us just half an hour at that speed. It’s easy to give yourself a heck of a beat back!

We were sailing on a pretty flat day, so didn’t have to contend with any waves to speak of. On the recent RTI this is what caused the capsizes of at least two multis, a sobering reminder that you need to sail much more conservatively in lumpier conditions.

The bows want to point downwind, so a stern-first approach works with rather than against the boat

Coming alongside

A 650kg boat with no draught and plenty of windage feels dreadfully skittish when manoeuvring in confined spaces. Straight hulls with no forgiving curves and fragile-looking sharp bows make berthing tricky. You’ve got a couple of advantages on your side, however. In the Astus, the floats are at pontoon height making stepping off easy.

Whether you have an engine in each hull of a cat, or one in the central hull of a tri, there’s also a lot more leverage to play with to turn the boat and drive her on or off the pontoon. A steerable outboard gives you even more options.

If the boat has a lifting keel or daggerboards, put them down if there’s enough depth to give you a pivot and to resist drifting. Think about getting corners onto the pontoon, rather than putting the boat alongside. On tris, you won’t be able to get to the bow to fend off as it’s too narrow. You can rig a fender up forwards on a line, and two fenders are enough on the flat sides.

Steering with the outboard towards the pontoon will drive the stern in more; steer away to drive the bow in more

Offshore wind

Coming onto the pontoon with wind blowing off, it worked well coming in stern first. If there’s a tide running, you’ll want to be heading into the tide, so find a spot down wind and down tide to start your approach so you come in at an angle.

On our first attempt we had a bit of tide under us to start with so we came in at a much steeper angle, almost 90º, although this worked out OK in the end.

The crew could then step ashore, taking a line from the stern quarter round a cleat.

Drive forwards against the line and the bow will obediently drive up towards the pontoon, bringing you flat alongside. Getting off was simple, releasing the bowline, and allowing the bow to swing out the before slipping the stern line.

Coming in astern and stopping upwind of the berth meant the bows blew towards the pontoon far to quickly

Onshore wind

Getting onto and off a pontoon with onshore wind proved rather trickier. On our first attempt we came in stern first. The issue was that once we were just upwind of our desired berth and stopped, we lost steerage and the bow immediately blew off with alarming speed towards the pontoon.

Going ahead would only increase the force of the impact, while going astern only increased the bow’s sideways drift. I managed to back out without smashing the bow, but only just, and ended up awkwardly stern to the wind with the bows pointing at the pontoon.

On our second attempt we came in bows first but having aimed at the berth, I had to motor the stern to leeward to stop the bow hitting, making for a rather forceful coming alongside.

On take three, I came in forwards and began ferry gliding towards the berth early, keeping the bows to windward of the stern. Being able to steer with the outboard meant I could go ahead to keep the bow up, and go astern with the engine pulling the stern down toward the pontoon. In this way, it was possible to come in pretty well controlled and parallel to the berth.

To get out, motoring astern against a bow line pulled the entire boat clear before slipping the line

Leaving was a different proposition all together, as I didn’t want to drag the bow along the pontoon, or to drive hard onto it to spring off. Instead, we rigged a slip-line from the forward cross beam. Going astern against this, and then turning the engine towards the wind, I could pull the stern, and the rest of the boat, out and away from the pontoon.

Keeping power on astern, once we’d reached a decent angle, we slipped the line and went astern, finding steerage way almost at once, with the bow following obediently in our wake with more control than I had anticipated.

Whether the wind is blowing onto, or off the pontoon, you want the engine to be driving or pulling the boat off the pontoon with a line on the corner you are going away from. That way you avoid point-loading fine ends where it’s hard to fender.

You’ll want a bridle to reduce swinging, but keep the pick up lines on the bow as backup

Anchoring and mooring a trimaran

While mooring a catamaran is complicated by the lack of a central bow, things should be simpler on a trimaran, and they are, mostly. Picking up a mooring buoy from the main hull bow with a low freeboard and dropping the pick-up line onto a cleat is easier even than a monohull.

The bow may be narrow, but for any lines that pass through a ring on the buoy, you still need to take it back to the same cleat to avoid chafe. That should be it, but windage from the two extra bows and the lack of keel mean the boat can dance merrily around the mooring buoy in a breeze.

Rig the bridle so the buoy sits to one side to stabilise the boat

In practice, we found that a trimaran benefits from a mooring bridle in the same way that a catamaran does. It can’t be rigged from the floats’ bows, as there are no mooring cleats, so a line passed around the outboard ends of the forward beams gave a pretty good angle, again with long lines passed through the mooring and back to the same side. The main pick-up lines stay as a safety backup.

The other trick is to rig the bridle asymmetrically so that the buoy sits to one side or the other, just enough to not be dead head to wind, making it much more stable in the wind.

On the plus side, the lack of draught or keel means that you’ll nearly always be lying head to wind, so the cockpit remains nice and sheltered whatever the tide’s doing.

We ran out of time on the day to try anchoring, but rigging a bridle, effectively a long snubber to a point on the anchor chain in a similar way wouldn’t be tricky.

If you needed not to swing, or to behave more like deeper boats nearby, hanging a bucket over the stern can help, or there’s always anchoring with a kedge, either out ahead in a V, or in line astern.

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Corsair F-24 Boat Test

The corsair f-24 mk i cooks up a budget-friendly taste of fast..

In May 1999 Practical Sailor reviewed the then-new Corsair F-24 Mark II trimaran. Nearly 20 years later, were here to follow up with a focus on the Corsair F-24 Mark I, a boat that can represent a good value today since many newer designs have entered the market.

The late Ian Farrier (1947-2017) designed fast, trailerable trimarans for more than 40 years. A New Zealander, his first production success was the 18-foot Trailertri. His 19-foot Tramp was Boat-of-the-Year in Australia in 1981. In 1983 John Walton (of the Wal Mart family) founded Corsair to build high-performance multihulls, lured Farrier to Chula Vista, California, and the result was the very popular F-27 ( PS September 1990 ). Almost 500 have been sold since it went into production in 1985. It has since been superceded by the F-28.

In 1991, Corsair added the F-24 Sport Cruiser. This abbreviated version of the F-27, with a starting price more than 30 percent lower than the F-27, was designed to be affordable.

While she remained sharp in the performance department, her accommodations were even more spartan. We spoke with Ian Farrier several times about anchoring and cruising; it was pretty clear that his heart was in racing and he even suggested we were probably better in tune with the needs and practicalities of small multi-hull cruising than he was. Still, he designed a cabin that can handily do both, if you can accept the compromises.

The deck layout is similar to the typical 24-foot monohull, except that it is wide-18 feet-with wing trampolines on both sides. In addition to providing stability, this gives lounging space in fair weather and greatly increases safety in rough weather. Though lacking railings and lifelines-other than a pulpit and wrap-around stern rail-its hard to fall off the F-24 if jacklines and tethers are used. A single large Lewmar foredeck hatch provides ample ventilation. The cockpit will easily seat six, but three is more comfortable for vigorous sailing.

The cockpit is equipped with four Lewmar 16 winches (the jib winches are one-speed self-tailers, the reacher winches are standard two-speed), two multi-line jammers, and ten cam cleats. All essential sail controls, including halyards, are accessible from the cockpit, making for easy single-handed sailing.

The mainsail furls by winding around the boom; fast, convenient, and very gentle on the typical Mylar/carbon laminate sails. Reefing requires a quick trip to the mast to crank the boom around and attach the down haul, but that is it. The set up makes a vang impractical but few multihulls use them anyway, preferring to control the boom with the traveler.

The bow anchor locker holds two anchors and two rodes, so long as they are folding designs. Trimarans are best anchored using a bridle; the test boat uses a 20-foot Dyneema bridle that is retracted onto the wing nets when not in use.

The typical 6 horsepower outboard delivers about 5.3 knots at 1/3 throttle and about 6.5 knots wide open. The side mount provides decent performance in chop, pitching less than transom-mounted engines.

The portable fuel tank is protected from the sun and solar heating in an under-seat locker. It is wide is open for venting (but sealed from the cabin) and drains out through the open transom, safe and out of the way.

Since the emphasis was fast cruising and racing, storage and amenities are sparse. In the cabin there is storage behind the seat backs. The large rectangular top-opening lockers in the galley counter and under the seats can be fitted with hanging bags for easier access.

The head compartment has sufficient space for toilet paper and cleaning supplies. There is a large bottomless locker in the cockpit that also provides access to under cockpit areas. Lockers in the amas (outriggers) can hold light, bulky items.

There is sitting head room and ample seating for four on the starboard settee. An Origo alcohol stove and sink with rocker pump provide a minimal galley. A large cooler slides easily under the companionway. The forward V-berth is quite long, though a little pinched at the foot. The settee converts into a twin-sized bed using filler boards that slide neatly into storage slots under the companionway.

A portable head sits in a well behind a curtain, and is typically moved into the cockpit at bedtime for better privacy. Some owners rate the interior as poor, but most call it camping-out comfortable, suitable for an overnight or weekend.

Performance

Everyone wants to know how fast the little trimaran will go. To windward it points as well as most monohulls, thanks to a deep centerboard. Shell tack through less than 90 degrees if you pinch, though it’s faster if you bear off just a little. Keeping up with 40-foot cruisers is easy on any point of the sail, and you quickly chase them down on a reach.

With the wind free, expect to match true wind speed up to about 12 knots, after which you may reef or bleed power, depending on your mood. In lighter winds, pop out the reacher and you’ll get a whole new gear, easily exceeding wind speed.

In stronger winds, bear off until the true wind is on the quarter, and you’ll see 14 knots or more, although handling requires sharp attention if you haven’t reefed.

Compared to the Stiletto 27 (see PS July 2016), it is more weatherly, tacks faster, can safely handle more wind, but is slightly slower off the wind (though not as scary).

Upwind reefing begins at about 15 knots true for those who like fast sailing, but there is no reason not to reef a little earlier and enjoy more relaxed, but still spirited sailing. Maximum angle of heel is about 15 degrees.

With two reefs and the jib rolled up a little, shell take quite a lot of wind, perhaps 30 knots, without much excitement. Upwind in 20 knots is fun with the right reefs in, and that’s pretty good for a 24-foot boat. Farrier designed these conservatively, with windy conditions in mind. They are quite popular on San Francisco Bay, an area known for strong breezes.

The Mark II was touted as the new and improved version of the Mark I. By replacing the centerboard with a daggerboard, weight was reduced, and a rotating mast increased power, making the Mark II noticeably faster. The Mark I has more usable cabin space, since the centerboard case is hidden inside the settee, and the Mark I cockpit is also several feet longer, a boon to fun daysailing.

The centerboard is also a blessing in shoal water, automatically pivoting up if it smells the bottom, instead of breaking things when you find a sandbar at 15 knots. The Mark I has a kick-up rudder fitted into a cassette, keeping it under the boat, while the Mark II has a transom hung rudder. The Mark I works as a day sailor and weekender, while racers prefer the Mark II.

As with any multihull, there is always the capsize canard. Sailed poorly, any sailboat can capsize, says Farrier. My designs are not immune to this. With over 1,000 Farriers now sailing, even a low 1 percent capsize ratio would mean 10 capsizes a year. However, the capsize rate actually appears to be averaging .03 percent.

Large ocean-going monohull yachts are foundering annually, sometimes with loss of life. The basic safety difference is that the monohulls ultimate stability is resting on the bottom, while the multihulls is floating on top.

Reef appropriately and the risk is truly small. F-27s have completed successful transpacific and transatlantic crossings, and even the first circumnavigation of the North Pole under sail. Finally, the F-24 can’t sink. Built-in foam flotation, light construction, and multiple crash tanks in the amas and foam-filled akas (cross beams) make this impossible.

The F-24s main hull is fine, with a V-entry forward, U-sections mid-ships, and a relatively flat transom to damp pitching and provide lift for planing. Going to weather, most of the weight is on the amas, with fine V-sections that cut nicely through waves. Powering through short chop is not a strong suit among multihulls, but she has demonstrated considerable ability in choppy waters such as San Francisco Bay and the Chesapeake.

The heart of Farriers designs is the patented Farrier Folding System. Refined over the years, the mechanism allows the akas to fold-up, which reduces the F-24s beam from 17 feet 11 inches to 8 feet 2 inches.

We kept our F-24 in a small boat marina for a time, folding after every sail; we did this while motoring in the channel, requiring only a few minutes of light effort by one person.

While the claim of trailering to sailing in 20 minutes may be true for seasoned crews that race every weekend, allow two hours for the transition if you do this only occasionally.

Although no single step is physically difficult for a single person, there are many steps and a second pair of hands makes for safer work. The engineering has proved very reliable, and now that the patents have expired, copies abound.

Construction

Performance multihulls built to their designed displacements are hardly ever built on production lines. Corsair has been the exception to that rule. Light weight is an essential if you want a cat or trimaran to sail up to its speed potential, but you’re not likely to achieve it with normal materials and common construction techniques.

Turning out an F-24 that weighs 1,800 pounds (1,650 pounds for the Mark II) is no simple matter. It involves almost 50 separate molded parts, considerably more than same-length monohulls.

Carbon fiber and Kevlar reinforcement, vacuum-bagging, double-biased fabrics, acrylic-modified epoxy resin, and NPG gelcoat are all elements you’d expect to see in a custom shop. They all go into the F-24.

Glass/resin control, published laminate schedules, a computer-generated production protocol, universally bonded top hat joints between hull and deck, barrier coats of vinyl ester resin, isopthalic resin throughout the rest of the laminate, and bulkheads tabbed in seven places to the hull makes for a light but sturdy boat.

The akas appear to be held in place by the anchor bolts inserted when unfolding, but the sailing forces are actually carried by strong pivot arms connecting the akas to anchor points near the waterline, anchored deep within the hull, and by compression blocks where the arms meet the hull at deck level.

After 20 years we’ve had a few minor issues related to failed bedding and damage to the balsa core, but nothing affecting the main structural elements.

Conclusions

Whether you’re downsizing from a cruising cat, or upsizing from the family Hobie, the F-24 offers the sports car of youthful dreams, on a budget.

Is it worth paying three times as much as you would for a 24-foot mono-hull with more room? Not if you’re looking for cabin space and need an enclosed head. On the other hand, if fun sailing is the goal, the dollar-to-grin ratio is very high. Market demand is dependable and you will get your money back. It’s not the best beginners boat.

You can’t just sheet-and-forget, and getting the best from her requires experience and attention. But if you have a beach cat or fast dinghy background, it’s a great way to gain weekender capability without losing any of the fun. If you need a little more comfort or more speed, look at the Corsair F-27. And if money is no object there’s a world of Farrier designs to choose from.

Cruising in an F-24 is a tiny step above camping, but for the bare-bones cruiser who wants to cover some ground quickly, it fits the bill quite handily.

1. An alcohol stove and a small sink serve the micro-galley. 2. The V-berth is tight, but the convertible settee in the main cabin makes a twin-sized bed. 3. The porta-potty sits under the V-berth. It is often moved to the cockpit at night while sleeping. 4. A folding table seats one for dining.

• Fast, weatherly, and quick to tack.
• Stable. Only 15 degrees heel.
• Reefing starts at about 18 knots apparent.
• Easy to fold from 18-foot beam to
• 8-foot in about two minutes.
• Roomy cockpit. Tramps are fun in the summer.
• Eighteen-foot beam makes it hard to fall off.
• Well-built with stout rigging.
• Cramped cabin. No standing headroom and few amenities.
• Limited storage space.
• Portable head and no head compartment.
• Quick motion.
• Slow under power.

• Corsair Marine

RELATED ARTICLES MORE FROM AUTHOR

By far the most comprehensive review of the F-24 I was able to find online. Many thanks for the write-up, very informative and helpful.

Lakeside Marine & Motorsports has been awarded Best of Forsyth Boat and Marine Service as well as Used Boat Sales. Please contact us for any kind of Boat work or Purchase.

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The best bluewater multihulls of all time: a complete guide

• Toby Hodges
• October 6, 2021

Toby Hodges and François Tregouet consider the best bluewater multihulls and look at the options for sailing the oceans in spacious comfort

What are the best bluewater multihulls for long term cruising? The one you own, or the one you can afford is the simple answer.

There is a wealth of proven designs to suit bluewater sailing and a variety of budgets. While we have focussed here on the best bluewater multihulls in production, we’ve also included some cracking pedigree multihulls which tour the planet and might occasionally pop up on the brokerage market.

If you can afford to, then pushing towards the 45-50ft length will buy you space, pace and that extra payload capacity needed to take all the items you’d want on your home afloat.

When looking at the best bluewater multihulls, the choice will come down to that perennial balance between comfort/space and speed/weight. Choosing a lighter weight performance design will obviously help you cover distance voyages more rapidly and potentially allow you to outrun weather systems. It means you can sail faster, with less sail up and less load and stress. But you’ll have to sacrifice some luxuries and need to be quite scrupulous about keeping weight down and centralised in order to maintain high average speeds.

For the majority of cruisers, however, it is the amount of space multihulls offer once you’ve reached your destination that really appeals. As well as the non-heeling living area and real estate they provide, they’re well suited to typical tradewind sailing .

If you’re considering your first or next multihull, we hope the following will serve as a taster.

Best bluewater multihulls for performance cruising

Outremer 51/55.

When you think of multihulls designed for bluewater cruising, Outremer will likely be one of the first names that comes to mind. Its heritage lies in building catamarans that can sail fast and are built strong enough to do laps of the globe.

The 51, the current version of which launched three years ago, is an archetypal example of what to look for in terms of blending speed and space is a dream design for a family circumnavigation.

The French yard’s new 55ft VPLP design may look boldly different from its past models, but the philosophy behind it remains the same. It is designed to match windspeed up to 12 knots and Outremer reasons that its ability to sail in 5 knots of breeze will allow it to sail for 95% of the time on a circumnavigation.

Read more about the Outremer 51 and Outremer 55.

Photo: Diego Yriarte

Seawind 1600/1370

For nearly four decades the Australian Seawind brand and its founder Richard Ward have been gearing catamarans around safe bluewater sailing, including performance, protection and ease of handling. Its Reichel Pugh-designed 1600, which launched three years ago, is an elegant looking cat with relatively low, long lines and some smart solutions for fast bluewater sailing.

Seawind also launches its new 1370 later this year, a staggering 60 of which have sold on plans alone.

This first 50 is built from a composite sandwich of basalt fibre, a cloth made from volcanic rock, and PET foam from recycled plastic bottles, which helps to reduce carbon emissions by nearly 50% when compared with traditional glassfibre methods.

This new 50 footer is perhaps a more appealing and practical prospect than Rapido’s previous 60 (with its significant fixed beam), particularly as the amas on this new model can fold to reduce beam to 18ft.

Infused carbon foam sandwich construction is used, along with beams, daggerboards and rudder in pre-preg carbon to keep displacement to 8,200kg.

Read more about the Rapido 50

This OC50 is designed as a more affordable cruising alternative, than the HH models which have preceeded it. This model targets ocean sailing.

It’s still stiffened and strengthened by carbon, but built in vinylester composites with a gelcoat finish. This adds an additional 300kg or so over a full carbon HH50, but cost savings are in the region of $400,000.

Read more about the HH OC50

Balance 526

The 526 launched four years ago, designed to suit short-handed sailors and families looking to sail long distances, hence it can carry large payloads and promises easy maintenance. It looks good too.

Berman’s Versahelm design is a key feature. The wheel cantilevers, allowing the helmsman to steer from outboard with clear sightlines or from the hardtop protection of the aft cockpit.

Photo: Christopher White

Atlantic 47

The A47 suits short-handed fast ocean sailing at an approachable size. Lengthening it to 49ft allowed for an aft cockpit. It is available as a sloop or with White’s patented MastFoil ketch rig – rotating aerofoil masts designed for easy short-handed cruising without sacrificing performance.

Read more about the Atlantic 47

A combination of sharp design from François Perus and high build quality brings plenty of appeal to this sporty Italian-built cat. The first example launched three years ago with a light displacement of 10.5 tonnes, thanks to an E-glass epoxy-infused build with carbon strengthening. The yard offers semi-custom construction and full hybrid packages.

Catana 53/Ocean class 50

Catana’s performance model from 2017, sports twin aft helms (which may not suit ocean sailors), reverse bows and carbon daggerboards. The high topsides help create good bridgedeck clearance and plenty of accommodation. Its new Ocean Class 50 seems more in the shipyard’s bluewater DNA. The light weight, and dynamic and modern shape with slim hulls and a relatively short nacelle suggests a seaworthy nature and high speeds.

Read more about the Catana 53

Best bluewater multihulls for pedigree performance

Veteran multihull designers Morrelli & Melvin designed this smaller model for the Gunboat range. It was built to be more manageable for an owner-driver yet still capable of up to 300-400 mile days.

The Gunboat 48 is something of a rare breed, just six 48s were built between 2004 and 2009. Oh, to have a spare €1.3m right now… one of them is actually on the market.

Read more about the Gunboat 48

At the start of the Millennium, Catana offered fully equipped boats as standard for long distance cruising. The Catana 471 or 472 (one or two helms respectively), represented at the time the optimum in ocean-going catamarans.

Chincogan/Lightwave

Tony Grainger has been drawing fast multihulls for 35 years, including racing trimarans and the Lightwave and Chincogan cruisers. The popular Lightwave 38 has admirable performance and comfort, and the Chincogan 52 (pictured) has the length to clock high average speeds.

Outremer 45 G. Danson

With its characteristic roof, narrow hulls and daggerboards, the Outremer 45 is a standout design which has become somewhat iconic. Despite a rather spartan interior, it has been a great success with fast cruising enthusiasts. On board, family ocean crossings at an average of 10 knots are the norm.

Best bluewater multihulls for family cruising

Photo: Nicolas Claris

The Lagoon 450 remains the most popular model in Lagoons already popular range. It exemplifies the VPLP/Nauta design partnership which has made these the very definition of modern mid-size cruising catamarans which can appeal to families and charterers alike.

Indeed the 450 marked the modern look of Lagoon and was the first with interior styling from Nauta. It originally launched over a decade ago as a flybridge design with central helming position (450F), before this ‘sport top’ option (450S) was offered with a starboard helm station and lower boom.

Read more about the Lagoon 450

Photo: Guilain Grenier

Fountaine Pajot Saona 47

The 47 has a modern shape, with straight bows and a reverse sheer line. It incorporates significant volume in the hulls below the bridgedeck to create room for the optional athwartships cabins. Cabin space is a prime selling point, particularly the owner’s suite to port, where there is also abundant natural light and headroom.

Photo: Tui Marine

Leopard Catamarans, together with designer Simonis Voogd and builder Robertson and Caine, produce the archetypal dual-purpose owner-operator or charter boat in their modern catamaran range.

Key features of the 45 are the amount of light in the saloon and the incredible volume and space on offer in the cabins above the relatively narrow waterlines. Vast social living areas include the flybridge, saloon and dual cockpits.

Read more about the Leopard 45

Photo: www.jfromero.fr

Nautitech Open/Fly 46

During the 1990s and noughties Nautitech earned a good reputation for its elegant catamarans. The 441 is a timeless example and the 44 can be credited with the ongoing trend in hardtop biminis. While its acquisition by Bavaria seven years ago helped Nautitech implement industrial build techniques, the French brand has retained its DNA at its Rochefort sur Mer yard.

The modern Marc Lombard designs have tall rigs with generous square-top mainsails. Twin wheels in the aft quarters of the Open 46 offer a direct feel on the helm, however those spending long periods in the tropics may prefer the shade of the bimini-equipped flybridge option. The layout is also open, with a saloon more outside than in. Styling is clean, modern and simple, and the standard of build and finish are good.

Photo: Olivier Blanchet

First impressions of the Neel 51 are sure to centre on its sheer size and space inside. But as you’ll see from our review of the Neel 43 on page 83, when you sail one overriding impressions quickly centre on its performance.

These trimarans are becoming a popular mass production-built option.

Photo: Christophe Launay

The Excess 11 packs plenty of potential as the smallest yacht offered by the big production yards. A little like the Lagoon 380 of old, it presents a good value new entry-level boat for genuine cruising in a more sporty, modern and enticing design. Some may argue against aft helms for ocean sailing, but those coming from monohulls will appreciate the more direct steering they offer.

Broadblue 385S

Broadblue is a UK brand which offers a distinct line of cruising and Rapier performance catamarans. Its staple 385 packs a lot of cruising comfort into its length, including generous tankage, and has been sailed all over the world. Broadblue built its first electric drive catamaran 12 years ago and offers the only all-electric production sailing catamaran under 40ft in Europe.

Photo: Christophe Breschi

Bali Catspace

For those looking for maximum volume within 40ft, it’ll be hard to beat the Catspace – although it is more of a holiday apartment than a traditional bluewater cruiser. Bali’s garage style sliding aft door does help offer an enormous amount of enclosed (or open) living space.

Best bluewater multihulls for luxury cruising

Photo: Nico Krauss

Privilège 510 Signature

The 510 is designed to take a serious amount of cruising gear – up to six tonnes of it in fact. The excellent helm station now has a fixed windscreen and all lines lead to hand. Finish quality including the electrical installation is first class and Privilege’s trademark, an admirable full beam (26ft) forward cabin, is sumptuous.

Photo: Jérôme Houyvet

Garcia Explocat 52

Garcia Yachts has cornered the market for series-built aluminium monohulls and multihulls in the last decade and this new Explocat 52 is sparking real interest. We ran a full test report in our February issue, describing it as a go-anywhere cat with an enticing combination of space, pace and rugged construction.

Read our review of the Garcia Explocat 52

Built in Argentina, the Antares 44 is the ultimate evolution of a model launched 21 years ago. Entirely dedicated to bluewater cruising, it is the yard’s only model and is constantly being improved according to owner feedback.

Time seems to have no hold on this boatyard and, against the trend, the standard equipment of the Antares 44 is extremely complete

Photo: Richard Langdon

Discovery Bluewater 50

This luxury Bill Dixon design may be a decade old now and into its third iteration, but the concept behind its original appeal remains. For those used to sailing high-end thoroughbred monohulls, here is an option to consider for a comparative level of build quality and fit out when moving to a multihull.

Read more about the Discovery Bluewater 50

St Francis 50 MKII

With this latest version of its original model, this experienced South African builder has optimised a catamaran cut out for the unforgiving seas of the Indian Ocean and the South Atlantic. The MKII allows for an increased load capacity, an important point in long distance cruising.

Xsquisite X5

Intelligent features on the X5 include the protected helm station with glass windscreen, integrated rainwater catcher, UV-protective glass and generous tankage.

Best bluewater multihulls for size & speed

Mcconaghy mc52.

The MC50 (now MC52) was the first and promises some high speed sailing, but it’s the open plan main living deck which will attract the majority. It incorporates an intelligent centreboard system, which hardly affects interior space, but arguably its exposed helms at the aft end of the flybridge will not suit serious ocean cruising.

Photo: Florian H. Talles

HH in Xiamen is building some really impressive large, luxury fast cats up to 90ft. This was its second model to launch, a high-end, high performance Morelli & Melvin design capable of rapid passagemaking speeds and enjoyable regatta sailing. Features include C-shaped boards and central or aft helms.

Photo: Mike Jones/Waterline Media

Ocean Explorer 60

If Nautor’s Swan made catamarans, they may look like this… The Ocean Explorer 60 uses the same designer in German Frers and some of the same builders who worked at the famous Finnish yard to produce this world cruiser. The resultant quality shines through. A new OE72 is due soon.

Kinetic KC54

A young company with plenty of experience, Kinetic produces custom fast ocean cruisers, which can occasionally race. Its 62 is a serious performance vessel with carbon hulls, rigs and rigging, daggerboards or centreboards. With fast bluewater cruising the goal, carbon is used to minimise weight so features/toys can still be added. The swim platform and hardware on the newly launched 54 weighs just 90kg, and the generous sized tanks are all in carbon too. Views from the saloon and forward cockpit also look special.

Best bluewater multihulls for ultimate performance

Marsaudon ts4/orc 42.

Few catamaran builders produce genuine performance cruisers at this ‘smaller’ size: this one is kept minimalist and light weight (around 6 tonnes) – the yard’s philosophy is ‘simplicity, then add lightness.’ The 42 is a cruiser-racer with the ability to outpace most yachts across the Atlantic, win a regatta and still offer some space for island hopping. Standard tankage is minimal however. Marsaudon recently rebranded its TS range to Ocean Rider Catamarans (ORCs) and has an ORC 57 in build.

Dazcat 1495

Dazcat builds fast, seaworthy cats from its Multihull Centre in Cornwall. The 1495 is a true ocean cruiser-racer, which is stiff and rewarding to sail, with direct steering linked to carbon rudders. The 1495 can hit 20+ knot speeds with relative ease, but it is the consistent high average speeds which will attract those looking to cover serious miles. Weight is centralised including engines, tanks, and systems all located amidships to help reduce pitching. Dazcat has a semi-custom build approach and creates all sorts of weird and wonderful craft for all abilities.

Dragonfly 40

Dragonfly trimarans are known for their high quality construction and ability to delight sailors with their ease of planing speeds. For those who can live without the space of similar length cats, the new flagship 40 is large enough to offer cruising space, while folding outriggers and retractable appendages mean you can dry out where others wouldn’t dare.

Looping 45/Freydis 48

These two designs by Erik Lerouge both offer a high-performance vision of ocean cruising. The Loopings were built individually and the Freydis in small series, and on both you can sail as fast as the wind in complete safety. Interior quality depends on whether finished by an amateur or by a shipyard.

Swisscat 48

An attractive combination of luxury, comfort and performance, the S48 is a stiff, go-anywhere premium cat that is easy to manage single-handed. The lightweight build (11t) is in epoxy infusion with carbon reinforcement.

Schionning Designs

Jeff Schionning has catamaran design in his blood. His designs exude performance and seaworthiness with flowing, even aerodynamic lines. On all tradewind routes you’ll find a G-Force (models from 12m to 23m) or an Arrow (12m to 15m) sailing more quickly than the rest. His latest venture is with Current Marine in Knysna, South Africa.

Best bluewater multihulls for pedigree cruising

The long-time best-seller from the world leader in catamarans, with more than 1,000 produced over almost 20 years from 1999. With its characteristic vertical windows, the 380 and its big brother the 410 made the purists scream when they were presented. But the 380 proved a pioneer of its kind. Safe bow volumes and light displacement (7,260 kg) helped its seaworthy behaviour. The high number of boats on the market makes this the most affordable bluewater cruising multihull for its size, even if price range is as wide as condition is variable.

Casamance 44/46

Between 44ft and 46ft depending on the year of construction and the length of its transoms, the Casamance was an impressive catamaran on launch in 1985. The design by Joubert/Nivelt offered good volume and load capacity. Of the 490 units produced, many joined the charter fleets. The exterior of the Casamance is dated, but the interior in grey ceruse oak has retained plenty of charm.

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16 Best Trimarans For Sailing Around The World (And a Few For Daysailing)

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Trimarans are growing in popularity worldwide, due to their light construction and high stability these multihulls are even faster than catamarans. Trimarans are still one of the lesser-known boat types so in this article ill be checking out some of the most popular models.

The best trimarans include: 

• The Neel 43 
• The Neel 47 
• Dragonfly 28 
• The Pulse 600 
• Corsair 37 

These tris are built with your safety in mind while also packing powerful speed and a wide array of comfort features to optimize your sailing experience , some are even foldable making them possible to load on a trailer and transport to the sailing destination of your choosing.

In this article, I have created a list of the 16 best trimarans in the market and their unique features. You’ll also learn the best options for different purposes such as circumnavigation, weekend sailing, racing, and more. 

Table of Contents

What Is a Trimaran?

A trimaran is a multi hulled sailboat with three individual hulls; the main hull ( vaka ) and a pair of outrigger hulls ( amas ). These smaller outrigger hulls are attached to the main hull using beams. 

While trimarans have a rich history dating back nearly four millennia, these types of sailboats have only gained popularity in the late 1900s and early 2000s. 

Trimarans are primarily used as personal boats for sailing enthusiasts or racing. These sailboats draw their versatility from their lightweight design, making them faster and easier to handle at sea when compared to single-hulled boats (monohulls). Additionally, the three hulls also contribute to better stability, making it very hard to capsize (although more likely than a cat according to this study)

Trimarans come in various sizes, and some can be as small as 19 feet (5.8 meters) in length, while others go up to 60 feet (18meters). They’re also used for different purposes. Most trimarans are used for racing and recreational purposes, although some units are still used as ferries.

As with all things, to find out which is the best we need to understand what it will be used for. There is a big difference in requirements between a boat used for day sailing compared to offshore around the world sailing.

The list below highlights the best trimarans for different purposes.

Best Trimarans For Cruising, Liveaboard and Sailing Around The World

The Neel 43 is a French trimaran best suited for cruising. Its key features include: 

• Easy maneuverability on the open sea by only a small number of crew members 

This unit is also built for comfort, ideal for more extended travels. This 43-feet (13-meter) trimaran is also made with recyclable and bio-sourced materials, highlighting the manufacturer’s commitment to environmental consciousness. 

This trimaran has a base price of  €329,000 excluding VAT. This translates to approximately $370,138. 

2.Neel 47 Possibly The Best

Named the best full-size multihull for 2020, the Neel 47 is a strong contender for one of the best trimarans in the market. This 47-foot (14.3-meter) long trimaran features optimized exterior and interior ergonomics for a unique design and look. 

Still on design, the Neel 47 is ideal for couples looking to take a weekend off or spend some time as liveaboard. It has a spacious owner’s cabin and two bedrooms. It also features a spacious living room and kitchen and is optimized to ensure comfort for a couple. 

The Neel 47 also has two basic guest cabins so your friends or children can tag along on your sailing adventure. Accordingly, this unit is ideal for those looking to explore the sea for the sheer joy of sailing. 

The Neel 47 comes at a 571,139 euro ( $643,600 ) price tag, excluding VAT. 

3. Rapido 60 The Fast and Comfortable Circumnavigator

The Rapido 60 offers a blend of performance, safety, and luxury, making it one of the best options for bluewater sailing. Measuring 59.3 feet (18 meters) in length, the Rapido 60 is an imposing unit. It’s made from lightweight sandwiches and carbon materials that provide speed and strength, allowing it to stand up to strong ocean currents. 

The Rapido 60 also has spacious living spaces and is built for comfort at all points of the sail. Its design also optimizes safety. While it’s an ideal option for circumnavigating, it’s also an excellent choice for racing due to its speed. 

This is also the same boat that The Youtube channel La Vagabond just purchased.

The Rapido 60 retails at $1,400,000 . 

4. Rapido 40

The Rapido 40 measures 39.4 feet (12 meters) in length and is ideal for cruising around the world. The Rapido 40 features twin “C” foils, which provide added lift, enhancing its speed and performance whether you are sailing downwind or upwind. 

Because it has C foils, this trimaran doesn’t have a central daggerboard, increasing interior space. Accordingly, it’s an excellent option for couples looking to cruise and enjoy great performances .

The Rapido 40 is made from high-tech all-carbon materials for a lightweight yet sturdy design. This material is also used for the countertops and furniture, and the cork flooring adds a touch of style.

This trimaran retails for $595,000 , making it a cheaper option than the Rapido 60. 

5. Dragonfly 40

The Dragonfly 40 measures 40 feet (12 meters) in length. It features high-comfort standards, making it one of the best trimarans in the market for taking your family for a cruise. Because of its larger size, it has a better capacity, being capable of accommodating six to eight people, so you can bring your family and friends along. 

It’s easy to navigate and extremely safe. With a maximum speed of 24 knots (44.5 km/h), this trimaran also provides fast speeds to make your cruise even more exhilarating. 

The Dragonfly 40 retails from €509,000 exclusive of VAT, which rounds up to $572,000 . 

6. Dragonfly 32

The Dragonfly 32 is a high-performance cruiser. Like the Dragonfly 28, this unit features a contemporary design for racing. This trimaran can accommodate five to seven crew members. 

Although slightly longer than the Dragonfly 28 with its 32-foot (9.8-meter) length, the Dragonfly 32 has a max speed of 23+ knots (42.6+ km/h), making it one of the fastest trimarans for racing. This unit also has comfortable accommodation, which makes it an ideal option for a weekend cruise with family and friends. 

The Dragonfly 32 has a base price of $350,000 . 

7. Corsair 37

Thanks to a variable draft with a retractable rudder, the Corsair 37 is an ideal choice for shallow water exploration. This 37-foot (11.3-meter) long trimaran features advanced foam-cored construction designed for safety, making it virtually unsinkable. 

The carbon hulls minimize weight, this makes for a lightweight ocean exploration sailboat with blistering speeds. One of its selling points is that this trimaran has previously been used for Arctic expeditions, possibly marking it as one of the better options for circumnavigation and offshore sailing in the northern waters. 

This trimaran has a base price of $189,000 but can go up to $204,125 .

Best Trimarans For Day/Weekend Sailing

8. dragonfly 28.

The Dragonfly 28 is a 28-feet (8.75-meter) long sailboat that can accommodate up to five people. It comes in two versions: 

• Touring version: This version is ideal for families.  
• Performance version: This is built to provide optimal performance for the sports enthusiast within you. 

It clocks a maximum speed of 22+ knots (22+ km/h) and is beam-folded. It’s an excellent option if you want a high-performance, comfortable yet smaller unit for your day or weekend cruise. 

The Dragonfly 28 starts at  €188,280 inclusive of VAT, which comes to around $211,600. 

9. Dragonfly 25

Like other trimarans under the Dragonfly brand, this 25-foot (7.62-meter) trimaran is great for both racing and short term cruising. However, this high-performance boat delivers easy handling, making it perfect for couples looking to take a ride out over the weekend and seasoned sailors looking for an exhilarating racing adventure. 

The Touring version features a lightweight build and offers comfort and accommodation to keep you, and the few guests you can fit, comfortable during the ride. This trimaran also has a Sport version, which is optimized for racing. 

The Dragonfly 25 retails from EUR 86,800 . 

10. Pulse 600

The Pulse 600 trimaran is a compact sailboat. It’s made from lightweight, carbon-reinforced construction and vacuum-formed materials for optimal speed. This trimaran is an ideal option if you are looking for speed. 

It also features ample deck space, greater stability, and volume than most trimarans of similar size and build. 

This trimaran measures 19.8 feet (6 meters) in length and can be sailed single-handedly by one person with minimal effort. The Pulse 600 has a base price of $38,800 , which places it in the lower price range. 

The F-22 is one of the smaller trimarans in the market. Developed in New Zealand, the F-22 is a folding trimaran built for speed. The hulls are made from narrow fiberglass tied together using fiberglass beams and aluminum, minimizing bulk while optimizing speed. 

The F-22 is roomy and is not as pricey as other models in the market. This trimaran has two main versions: 

12. 2019 Weta Trimaran

The 2019 Weta trimaran is a 14.5-foot (4.4-meter) trimaran featuring a carbon frame, centerboard, rudder foil, and rudder shock. The hull is made from fiberglass and foam. The Weta is built for strength and speed based on these lightweight materials. 

The 2019 Weta trimaran is easy to sail and is worth considering whether you want to take a quiet sail, race with your friends, or take kids to a sailing lesson. It has a simple design and is easy to set up independently. Thanks to its collapsible design, this trimaran is easily stored away with minimal space demands. 

13. WindRider 17

The 17.4-foot (5.3-meter) WindRider 17 is one of the more versatile trimarans in the market. It packs high performance for a low cost. This trimaran has a light rotating mast to boost performance, and a full-battened mainsail optimizes visibility. 

This sailboat is made from rotomolded polyethylene, which is more durable than fiberglass and demands less maintenance.

The WindRider 17 has a comfortable interior and can fit six adults. This is an ideal choice for social sailing for a couple or a family and friends. It’s easy to ride, and a shallow draft allows easy maneuverability. 

14. Astus 22.5

If you’re looking for something small but still comfortable, this 22.5-foot trimaran is for you. Built for speed and maneuverability, the Astus 22.5 has optional foils to optimize speed. The modern design, coupled with the spacious interior, can fit up to four beds. Accordingly, this trimaran is suited for family outings. 

This trimaran also has a foldable design, collapsing to only 16 feet (4.9 meters) for easy storage. 

15. Multi 23 Trimaran 

The Multi 23 trimaran has a contemporary design, featuring a vinyl ester and PVC foam core construction. The section below the waterline is made of solid glass for a sturdy base.

The beams are made of lightweight carbon, and the trimaran features a 33-foot (10-meter) aluminum rotating wing mast for optimal harnessing of the wind. While ideal for weekend excursions with family, once rigged with the asymmetrical spinnaker will get your heart pumping.

This trimaran packs high performance at a lower cost than most other options in the market. It’s a good choice if you are looking for a high-performing unit without spending an arm and a leg. 

16. Challenger Class Trimaran

The Challenger Trimaran 15 is the best choice for persons with disabilities. It’s designed to provide disabled sailors an opportunity to explore their passion for sailing without worrying about aspects like safety or operation. 

A man named Geoff Hold circumnavigated the British Isles in 2007, becoming the first disabled person to achieve this feat. He had quadriplegia. 

Living up to its name, the Challenger can withstand harsh weather conditions while blending performance with speed. 

Final Thoughts 

Admittedly, no trimaran is best for everyone. But whether you are looking to race with your friends, take your loved ones or friends for a cruise over the weekend, or circumnavigate the ocean, you can rest assured that these lightweight trimarans will deliver speed, safety, and comfort to make it worth your while. 

These brands are innovatively designed and feature intricate safety mechanisms that make them virtually unsinkable. Give them a shot and begin your ocean adventure. 

• Basco Boating: A Comprehensive Guide & Introduction to Trimaran Yachts
• TheBoatAPP: New Trumarans: Which are the Best Ones
• Corsair Marine: Corsair 37
• Dragonfly: Dragonfly 28
• Rapido Trimarans: Rapido 60
• Neel Trimarans: Neel 43
• Yachting World: World’s Collect Yachts: Maxi Trimaran MACIF
• Yachting Monthly: Dragonfly 28 Performance
• Rapido Trimarans: Rapido 40
• Dragonfly: Dragon 32
• Dragonfly: Dragonfly 40
• Yachting World: Dragonfly 40 yacht tour: This cruising trimaran can do 24 knots
• Dragonfly: Dragonfly 25
• NauticExpo: Dragonfly 25
• Yachtworld: Corsair 37 boats for sale
• Cruising World: Neel 47 Trimaran: Best Full-Size Multihull0
• Neel Trimaran: Neel 47
• Multihull Solutions: NEEL 47 Boat Review | Cruising World
• Yacht World: 2022 Neel 47 for sale
• Farrier International: F-22
• Weta Marine: The Boat
• WindRider: WindRider 17 Trimaran Sailboat 
• Astus Boats: Astus 22.5
• Boat-specs: Multi 23
• National Maritime Museum Cornwall: Challenger Trimaran #1 – BC26

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

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Folding System

Legendary ability, unbeatable reliability.

Folding and unfolding a Corsair trimaran takes only a minute. With just 4 bolts to remove, it is easily managed by one person, and is normally done while afloat. Simply raise (to fold) or press down (to unfold) the inboard end of one cross beam. It can be done from the safety of the cockpit and only a little force is needed due to the folding system’s carefully balanced geometry, and the movement of the floats being mostly horizontal.

The solid aluminium folding struts have absolute control over the folding motion and prevent flexing or racking. A stainless steel bolt on the inboard end of each beam secures the floats for sailing. Crucially, wingnets remain attached during the folding process – their frictionless fixing allows them to tension themselves appropriately through the folding process. The system is so simple and balanced that Corsair trimarans can even be folded while motoring.

TRAILERING ACROSS CONTINENTS

Corsair Marine trimarans are especially weight-conscious, and sit low on their trailers meaning they have excellent trailering characteristics. They are equally easy to launch, giving you more time on the water, and the ability to expore many more remote cruising grounds or participate in regattas far from home. Some Corsair trimaran models go from trailer to water in 25 minutes, and with practice even the largest boat models can be done in 40 minutes.

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Farrier International

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The New F-33

The 2015 F-33 is a new design by Ian Farrier, having evolved from the F-32 , and replaces the original 2004 F-33 . It is available in several formats, the F-33 , F-33X (with wider center hull), or the more race orientated F-33R and F-33RX, plus all carbon versions, the F-33RC and F-33RXC . Both aft cabin and aft cockpit versions are also currently available.

The new F-33 is a truly modern ‘state of the art’ design, and incorporates the latest third generation Farrier Folding System ™. The third generation beams have no intrusion into the main cabin, and eliminate the awkward beam pockets in the cabin sides. Floats are as large as they can be for such a folding trimaran, with extra buoyancy having been designed in forward and low down for the maximum sail carrying power.

The standard F-33 offers more room than any other equivalent legally trailerable folding trimaran, due to efficient design, plus heavy and space robbing interior liners are not used , which also makes the F-33 the lightest available production boat of its type. The extra wide maxi F-33X is even larger again, and is easily the roomiest and most seaworthy folding trimaran in its class.

The new F-33 series has one major advantage over the original F-33, this being the availability of the narrower 2.6m (8′ 6″) F-33 version which is the largest legally trailerable trimaran available, with no permit required for US roads. The wider F-33X will require a permit to be trailered, but it has much more room and a higher load carrying capacity.

The new F-33 series has been designed with a limited ocean going capability in mind, and best of all they are true Farrier designs, so reliability is ensured.

A ‘kick back’ centerboard option is available for the new F-33 design series. This will give a ‘roomier feel’ to the main cabin, and a much larger cabin table (can easily seat 6) is now possible. The settee seatbacks can also be dropped in between settees to form a very spacious main cabin double.

The other major advantage is the ability for the board to ‘kick back’ should one run aground, and this can be a very useful safety feature in shallower waters. Board is a higher aspect foil than the standard daggerboard, so it will be slightly more effective. This will help make up for the extra slot drag associated with a centerboard case, and overall performance should be similar.

Note that ‘kick up’ centerboards are more complicated than a daggerboard, so more maintenance may be required. However, the configuration used has been very well developed and tested, and should be virtually trouble free.

The current F-33X interior quality and room can be seen in the following photos:

THIRD GENERATION FARRIER BEAMS AND FOLDING SYSTEM:

The latest F-33 beams have been designed to trap and deflect any spray downwards to eliminate or reduce spray at high speeds, while the beam folding strut anchors are internal which eliminates multiple metal brackets and bolts. This reduces windage, weight and complexity, while folding struts are now set higher, keeping them further away from wave tops. The above drawing also clearly shows the difference between the F-33 and F-33X .

Beams are more streamlined while also being slimmer and higher at outer ends for less drag. The inner beam end to main hull connections are now fully external, for easier setup and maintenance, and this also gives a lower trailering height with less windage on the road for more economical towing.

Models Defined:

F-33 – the standard version, legally trailerable in the USA without permit

F-33X – a wider, roomier maxi version, that will require a permit for trailering, the ‘X’ standing for extra room. The best choice for ocean work with a greater load carrying capacity, and a wider overall beam.

F-33R & F-33RX – more sporty racing versions for experienced sailors, with a taller rig, the ‘R’ standing for Race. Add ‘C’ at end for the all carbon version

F-33SR & F-33SRX – new highly powered super racing versions for experienced sailors only, with the very tall SR rig, the ‘SR’ standing for Super Race. Has a 50′ (15.24m) carbon mast, and all carbon construction is optional. Profile drawing below.

F-33 Specifications L.O.A………………………………. 33′ (10.06m) B.O.A………………………………. 23′ 2″ (7.05m) …. F-33X – 23′ 10″ (7.25m) L.W.L………………………………. 32′ 4″ (9.85m) F-33 Folded beam………………. 8′ 6″ (2.58m) F-33X Folded beam……………. 9′ 6″ (2.9m) Approx. bare weight …………… 2800 – 3700lbs (1270 – 1680kg) depending on model Load Carrying Capacity ……… 2600lbs to 3000lbs (1180 – 1360kg) depending on model & weight F-33 rotating mast ……………….44′ 7″ (13.6m) aluminum or carbon mast F-33 sail area (main & jib)…… 654sq.ft (60.5sq.m.) F-33R rotating mast …………….47′ 3″ (14.4m) – carbon mast F-33R sail area……………………702sq.ft (64.9sq.m.) Stability …………………………….56,900ft.lbs …. F-33X – 58,400ft.lbs Draft (board up)…………………. 1′ 5″ (0.42m) Draft (d/board down)………….. 6′ 4″ (1.93m) Draft (centerboard down)…….. 6′ 2″ (1.88m) Aft Cabin Cockpit length………4′ 10″ (1.46m) Aft Cockpit length……………….7′ 7″ (2.3m) Interior Headroom ……………….6′ 2 to 6′ 4″ (1.88 – 1.93m) depending on interior layout Auxiliary…………………………… Outboard or Inboard optional Bunks can be a minimum of 6′ 6″ (2m) long or longer if required. All specifications may be subject to change

As with the original F-33, the new F-33 is expected to have a very high resale value, due to the high quality construction, and the design reputation. The last original F-33 sold did so within 10 days of going on the market, and the price paid for what was a 7 year old boat was near what it cost new. Such value means the F-33 will be a very low cost boat to own as was the case with the original F-27, which has been the resale value leader for many years.

The New F-33SR

A new addition to the F-33 range is the F-33SR or F-33SRX. These are ultra high performance versions of the F-33 and will replace the F-32SR, but with more interior room.

There will be both glass and carbon options, the all carbon version being called the F-33SRC or F-33SRXC, and lifting foils will be optional.

More Interior Options:

Copyright Reserved © 2015 by Farrier Marine (NZ) Ltd.

TRI -STAR 36 an evolution of the proven world cruising TRI-STAR 35. TRISTAR 36 has a new long water line main hull flared for increased interior room and pay load for a cruising trimaran. TRI-STAR 36s comfortable interior from the stern cabin spacious double berth you move forward into TRI-STAR 36 large dog house protected cockpit. Below the cockpit sole you have room for a inboard engine. TRI-STAR's flush deck design gives you a spacious interior and uncluttered deck for lounging and easy sail handling that every one can enjoy. TRI-STAR 36s main hull has a full galley, a large dinette and settee with two king size wing berths with option for two single or navigation center fwd. TRI-STAR 36s bow you have a large 3/4 shower bath and vanity. True windward performance is achieved with raisable high aspect ratio dagger board in each ama. TRI-STAR 36 may be built with either cold molded plywood or Foam fiberglass sandwich construction.

TRI-STAR 36 with her spacious accommodation, seaworthiness and being a joy to sail has become a popular Ed Horstman designs that you to will enjoy building and sailing.

SEE TRI-STAR 36 PHOTO SHEET

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pesner à mettre du vinaigre blanc dans l'eau pour détarter . autrement l'eau douce seule ne fera jamais fondre le calcaire . alain

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Why You Want a Trimaran: Pros and Cons of a Trimaran

Three hulls are better than one!  That would be the adage of the trimaran.  It consists of one central hull with two smaller side hulls, called amas.  The average person conceives of the trimaran as something even more extreme than catamarans.  Lighter weight, higher speed, more specialized.  The opposite is actually true; trimarans fill an excellent transition role between monohulls and catamaran.  Recognize the potential applications by understanding the strengths and weakness of the trimaran hullform.

1.0 What Makes a Trimaran

When you seek trimarans, envision stability.  A conventional monohull must balance conflicting needs of resistance and stability.  You want a narrow skinny hull to reduce resistance (and fuel consumption).  But you need a wide hull to maintain vessel stability and keep the ship upright.  The trimaran separates these two design requirements.

In a trimaran, the central hull provides most of the ship buoyancy (90-95% usually).  It does this with a long, narrow hull.  And then the outer hulls, called amas, provide the stability.  This arrangement allows incredible flexibility in the hull design.  Due to the wide separation between hulls, it requires very little buoyancy in the amas to keep the trimaran stable.  That is why many trimarans barely have their amas in the water.  Compare the relative size of the amas vs the main hull in Figure 1‑1.  The amas are just there for stability.

2.0 Advantages

The trimaran offers several capabilities to bridge the gap between monohulls and catamarans:

• Excellent for high speed
• Moderate weight carrying capacity
• Good seakeeping capability
• Larger available deck area
• Moderate space below the main deck

Another advantage is the design of the cross deck (Figure 2‑1) between the main hull and amas.  On a catamaran, this cross deck bridges a large empty gap.  Large gaps add complexity to the engineering and require stronger structures.  We don’t like that.  Stronger structures mean more weight and higher costs.  But the trimaran’s cross deck is much smaller.  It requires less of a gap between hulls, and it does not extend for the entire ship length.  Longitudinal bending is less of a concern for the cross deck.  This greatly simplifies the design of that cross deck, giving us many advantages:

• Heavier loads can be carried on the cross deck
• Less structural weight required for the cross deck
• Deadweight coefficients closer to monohulls

The long length of the center hull also offers great advantages for seakeeping.  This length greatly reduces pitch motions in a wave, and the narrow center hull reduces chances of slamming.  To improve things even more, the side amas reduce roll motions.  They add stiffness to prevent large roll motions.  But they also act to reduce roll accelerations.  All together, trimarans make for gentle seakeeping.

The trimaran offers major advantages for damage survival.  The side amas provide excellent protection to the center hull, which military designers find especially useful.  But the cross deck also helps with damage survival by containing massive reserve buoyancy.  Imagine a damage situation where the ship sinks down to its cross deck.  On a monohull, that would be game over.  But on a trimaran, the cross deck suddenly becomes a barge, easily supporting the entire ship weight.  This reserve buoyancy provides extra peace of mind in yachting applications.

Speaking of peace of mind, let’s talk about a sudden loss of stability.  In catamarans, you lose stability once a single ama completely leaves the water.  Push a catamaran past that point, and stability is a losing battle.  A fact that scares many vessel operators.  Trimarans do not have this problem.  They get stability mainly from submerging the amas.  The center hull always stays in the water, and the leeward ama continues to submerge.  This creates a predictable increase in righting moment.  In normal cases, trimarans never experience the sudden loss of stability.

3.0 Disadvantages

The biggest disadvantage for trimarans is lack of experience.  There are few trimarans in military applications, and even less in commercial use.  That lack of exposure instills wariness in many operators.  I appreciate caution, but don’t let that stop you from realizing the benefits of a trimaran.

Trimarans do have a few genuine detractors.  Due to their complexity, they require some extra design effort.  The cross deck introduces a few extra ways to twist and bend the ship, and the engineers must check each of these extra scenarios.  Finite Element Analysis (FEA) is the ideal tool for this.

Don’t worry about the FEA bill.  You should expect a slight increase, but nothing huge.  FEA was already a part of the design process for normal monohulls.  Most ship designs already require FEA to consider global hull bending.  That means the hard part is already done.  Your engineer already had to build an FEA model of the hull.  With minimal effort, engineers can expand that model to account for the additional design scenarios of a trimaran.

Cost definitely factors into trimaran construction.  The cross deck and extra hulls do add extra steel to the design.  You have to pay for that extra steel as part of the build cost. (Figure 3‑1)  But don’t assume this drastically increases the total build cost.  Adding extra structure is far less expensive than adding extra machinery and power.

Consider the alternative to a trimaran:  an equivalent monohull.  For the monohull, we strip off the side amas and widen the center hull to maintain ship stability.  But bad news.  A wider hull requires a larger engine, and associated support machinery.  In general, the machinery accounts for approximately 50% of the total build cost.  The structure is only around 25-30% of the build cost. [3]  Adding larger machinery costs twice as much as adding extra structure.

4.0 Applications

You see trimarans most often in high speed vessels and the occasional military vessel.

• Car ferries
• Military ships

One of the first experimental military trimarans was the Triton, a steel vessel with a displacement exceeding 1000 MT. [3]  (Figure 4‑1)  These are not little vessels.

Don’t think of trimarans as an expensive hullform.  The prevalence of trimarans with expensive ships is mostly a coincidence.  Imagine if you wanted a high speed ship.  First step is pick a trimaran hullform.  But for high speed, you also build it out of aluminum and load it with powerful engines.  Those are all high priced decisions that get imposed on the trimaran hullform.  The hull shape does not drive the price tag, and trimarans are not limited to high speed.

Aker Arctic even investigated using trimarans as an icebreaking tug. (Figure 4‑2)  Aker found the trimaran configuration especially useful for cutting wide channels through the ice with less power.  Trimarans are just a hull configuration.  How you use the hull is up to you.

5.0 Conclusion

Don’t let the previous trimarans limit your imagination.  The trimaran hullform bridges the gap between monohulls and catamarans.  It offers some advantages of both deadweight capability and larger deck area.  Primarily, trimarans deliver ship stability in a very power efficient package.  What uses can you imagine with that flexibility?

6.0 References

Related posts

Figure 3-1: Icebreaker Healy [4]

Surviving the Arctic: Polar Class Icebreakers

Figure 2-1: Icebreaker Mackinaw in Sea Ice [3]

Ramming the Ice: Icebreaker Propulsion

How to Design a Ship

Stability Letters Explained

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The Complete List of Trimarans

There is no single trimaran that is best for everyone. Where some prefer luxury cruisers for long trips with family and friends, others might opt for a high performance racing tri for thrilling rides at breakneck speeds. With the recent spike in trimaran popularity, these days there is a perfect tri for every sailor. So to help prospective trimaran owners decide which boat is just right for them, we here at WindRider have put together a comprehensive list of the best trimarans on the market today! Read through for simple at-a-glance trimaran comparisons of boats both big and small, exhilarating and relaxing, and for all price points.

Jump to a specific sailing trimaran: Neel Weta Corsair WindRider Dragonfly Catri Astus Hobie Sea Pearl Farrier Sea Cart Multi 23 Triak SeaRail Warren Lightcraft Diam Radikal Challenger

Known for their award-winning luxury trimarans,   NEEL   is based in La Rochelle, the capital city of sailing in France. NEEL trimarans are built for fast cruising with an average cruising speed of about 10 knots, and are even configured to facilitate that sustained speed under motor propulsion. The NEEL 45 was notably named Cruising World’s Most Innovative Vessel in 2013, and by all accounts is an easy-to-sail, high performance boat that is just plain fun.

At a glance:

Models: NEEL 45, 65

Length: 45’ – 65’

Cost:   $$$$$

Use: Luxury cruiser

A fan favorite,   Weta trimarans   are fast, stable, and remarkably easy to rig. This single-sailor tri has a capacity of up to three, and the ease with which it can be transported and stored makes this a great, versatile boat for beginners. The Weta was named Sailing World’s 2010 Boat of the Year, and one ride is enough to know why: simply put, the Weta is an absolute ton of fun to sail regardless of skill level.

Models: Weta

Length: 14’5”

Cost:   $$ $$$

The high-end   Corsair trimaran   definitely holds its own in the categories of versatility, performance, and convenience. Boasting a rigging time of 30 minutes from trailer to sailor ,   the Corsair 42 – whose convenient folding amas makes trailering possible – is a simple option even for single sailors, though cabin space is suitable for two adults. These boats are wicked fast, capable of reaching speeds of 20+ knots, and were made for skilled sailors seeking solid construction and high performance vessels, not for beginners.

Models: Pulse 600, Sprint 750 MKII, Dash 750 MKII, Corsair 28, Cruze 970, Corsair 37, Corsair 42

Length: 19’8” – 37’

Cost:   $$$$ $

Use: Sports cruisers

Built for the sailor who wants to maximize the joys of sailing while minimizing any hassle, WindRider trimarans are notoriously fast, very safe, and a blast to sail from start to finish. With several models that can hold between 1 and 6 riders, including adaptive designs to allow participation from sailors of all levels of mobility, there’s something to suit every sailor’s needs. The WindRider 17, an exhilarating ride perfect for families or camper sailors, has been known to reach speeds of up to 20mph. This easy day sailor goes from trailer to sailing in under 30 minutes and is sure to fit in perfectly with whatever adventures you have planned.

Models: WR 16, 17, Tango, Rave V

Length: 10’11” – 18’3”

Cost:   $ $$$$

Use: Day sailor

The Danish-built   Dragonfly   trimarans come in a variety of models ranging from 25’ – 35’, all known for their spry performance, comfortable ride, and ease of use. Every model comes equipped with the unique “SwingWing” feature, a motorized system that can unfold the amas even while the boat is already underway – making it accessible to marinas and slips, and even makes trailering possible. Perfect for those who don’t want to sacrifice their comfort for high performance, the Dragonfly can breeze along at 13 knots while remaining one of the quietest compact cruisers out there.

Models: Dragonfly 25, 28, 32, 35, 1200

Length: 25’ – 39’

Designed for both safe cruising as well as for high speed racing,   Catri trimarans   will make your day. Especially noteworthy is the Catri 25, a stable yet wildly fast foiling trimaran with accommodations for up to 6 people. With profiles optimized for speeds of 25+ knots when foiling, this is no beginner’s sailboat. The special attention paid to stability in the foil design allows the Catri to be a single sailor vessel, even at foiling speed, with no special physical abilities. Whether you’re taking a small crew for longer rides at shuddering speeds or bringing the whole family along for a shorter, but still thrilling sail, the Catri is truly one of a kind.

Models: Catri 25

Length: 25’

Use: Cruiser/racer

A popular brand of trimaran in Europe,   Astus   has recently made its way to the US market to the delight of sailors on this side of the pond. Designed to offer maximum pleasure with minimum hassle, all models of Astus trimarans are fast to set up, quick on the water, inherently stable, and always a joy to sail. Their outriggers are mounted on telescopic tubes for easy stowage and towing, and can even be extended and retracted on the water for access to narrow passageways and monohull slips in marinas. With models in all sizes and price points, Astus trimarans are a great option for any sailor.

Models: Astus 16.5, 18.2, 20.2, 22, 24

Cabin: Some models

Length: 16’ – 24’

Use: Sport cruisers

HOBIE ADVENTURE ISLAND

Great for beginners and adventurers alike, the   Hobie Mirage Adventure Island   series is nothing if not just plain fun. With the option to use as a kayak or as a very basic trimaran, the Hobie is transportable, versatile, unintimidating, lightweight, and wonderfully affordable. The pedal system known as “Mirage Drive” allows a person to pedal the kayak using their legs for an extra kick of movement in slow winds. Amas tuck close to the main hull for docking or car-topping, adding serious ease and convenience to the exhilarating experience of the Hobie.

Models: Hobie Mirage Adventure Island, Mirage Tandem Island

Length: 16’7” – 18’6”

Use: Convertible kayak/trimarans

Best known for its use in camp cruising excursions, the   Sea Pearl   offers a roomy main hull and particular ability to sail in very shallow waters, making beaching and launching a breeze. The lightweight Sea Pearl trimaran is easy to tow, and the larger-than-expected cabin opens this vessel up for overnight adventures with plenty of storage space. The simple design makes the Sea Pearl notoriously low maintenance, and the ease it takes to rig and sail it add to the overall delight of owning this boat.

Models: Sea Pearl

Length: 21’

Use: Camper cruiser

Quick, lightweight, roomy, and trailerable,   Farrier trimarans   are made for versatility to fit every sailor’s needs. Different Farrier models are available in plan or kit boat form for those who appreciate building their boat themselves, but of course, also as the full production sail-away boat for the rest of us. Single-handed rigging and launching takes under 10 minutes from start to finish, minimizing hassle and getting you on the water fast. All non-racing Farrier designs use a minimum wind capsize speed of 30 knots or more to ensure safety for all those aboard. Add the roomy cabin and high speed capabilities to the equation and you’ve got a boat that is great fun for everyone.

Models:   F-22, 24, 25, 82, 27, 28, 31, 9A, 9AX, 9R, 32, 33, 33R, 33ST, 36, 39, 41, 44R

Length: 23’ – 39’4”

Cost:   $$$ $$

Use: Sport cruisers/racers

One of the biggest names in the game,   SeaCart   is internationally noted for its high performance trimarans that far exceed expectations for a production boat of its size. The SeaCart trimaran performs as brilliantly off the water as it does on with its super-light and efficient harbor folding system, making light work of trailering. Notoriously easy to manage and maintain, the SeaCart 26 One Design is the ultimate day racing trimaran, designed for both course and inshore/coastal distance racing. Absolutely worth the international buzz it has garnered, the SeaCart is a thrill from beginning to end.

Models:   SeaCart 26

Length: 26’

A high performance racer class, the   Multi 23   is a lightweight, powerful trimaran known for its wicked speed of up to 25 knots. Multi trimarans of both available configurations were designed to give beach cat thrills and speed without any of the stability or seaworthy concerns. Open ocean sailing is no issue for the Multi’s big bows, which do their job to keep her stable. Built for sailors with a need for speed, the Multi makes a perfect weekend boat for racers, especially those with a taste for boat camping.

Models:   Multi 23

Length: 23’

Another dual outrigger sailing kayak/canoe design,   the Triak trimaran   was designed to be effortless and fun, especially for beginners. Paddle the kayak with sails furled, use the foot pedals for an extra kick of momentum, or sail with just the mainsail – the only boat in its class to feature an asymmetrical spinnaker – for exhilarating speeds and a blast on the water. Car-top the Triak anywhere for a quick sail or plan for a week long expedition, but always count on having a great time on this easy little boat.

Models:   Triak

Length: 18’

Use: Convertible kayak/trimaran

SeaRail trimarans   are known for being affordable, light weight, trailerable trimarans that offer the perfect combination of exciting and relaxing experiences to a wide range of sailors. Whether it’s day sailing with your family, resort or camper sailing, SeaRail trimarans are ideal leisure vessels. Leave the hassle to the other boats – the SeaRail takes you from trailer to sailor in 15 minutes. But don’t let its reputation as a leisure tri fool you: if speed is what you want, rest assured that the SeaRail can deliver that as well.

Models:   SeaRail 19

WARREN LIGHTCRAFT

Warren Lightcraft trimarans , another example of a convertible kayak-to-sailboat option, are known for their aesthetically pleasing designs that are also, as the name implies, very light for simple transportation and ease of use. Convert the kayak into a fast, high performance sailboat in just minutes, fly around on the waves all day long, then simply car-top the 68lb Warren for a maximum enjoyment, low-hassle day on the water. Perfect for sailors and paddlers of all skill levels, the Warren Lightcraft is the best of both worlds and an absolute joy to sail.

Models:   Warren Lightcraft

Length: 15’6”

Built strictly with racing in mind,   the Diam 24   is a light, powerful one-design class trimaran and a notoriously exceptional performer. Boasting blistering speeds of up to 30 knots, Diam trimarans are not intended for beginners. For racers who crave the very best in terms of intense speeds, smooth handling and impeccable performance, the Diam is the red-hot one-design racing tri for you.

Models:   Diam 24

Length: 24’

For the sailor who prefers the finer things in life, the   Radikal 26   delivers. Perfect for bringing the whole family out for a day on the water, this high performance, trailerable sailing trimaran strikes the most luxurious balance between quicksilver speeds and a smooth, comfortable ride. The Radikal 26 trimaran is as convenient to transport and set up as it is pleasant to sail, with a folding system that minimizes rigging hassle and also makes this a trailerable tri. Built for a fast and comfortable sail rather than a hold-onto-your-seats thrill, one-the-water safety and overall pleasure makes the Radikal 26 what it is.

Models:   Radikal 26

Use: Sport cruiser

A solidly-built, single-handed trimaran, the Challenger also doubles as an adaptive design – meaning it is made to accommodate sailors of all levels of physical mobility. Best suited to lakes, the Challenger is a very safe, seaworthy boat for sailors of all ages and experience levels. Add to this the ease of owning, transporting and maintaining the Challenger trimaran and what you get is a simple, fun sailboat perfect both for beginners and those seeking a cheap thrill alike.

Models:   Challenger

At a glance comparison:

Did we miss one? Let us know. Tell us what you sail and what you like about each boat in the comments below.

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• Digital Editions

The best of both worlds? Introducing the world’s first trimonoran Project Escalade

• Superyachts
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A radical new foiling hull design claims to combine the efficiency of a trimaran with the space of a monohull — Hugo Andreae takes a look at the world’s first trimonoran motoryacht.

Award-winning Turkish yacht designer Baran Akalin has combined forces with Dutch engineer G. Jelle Bilkert to create what they describe as the world’s first ‘trimonoran’.  As the name suggests it is based on a ground-breaking new hull design that claims to offer the efficiency and stability of a trimaran with the speed and volume of a monohull.

Instead of three slender vertical hulls linked by spars or a beamy main deck, the two outer hulls fan out at an angle from the central hull like the segments of an orange. These are linked below the waterline with hydrofoils to create the necessary lift for planing without the associated drag and unforgiving ride of a big, beamy monohull.

The idea was originally drafted by Dutch naval architect G. Jelle Bilkert some time ago but has now been refined, developed and tank tested with the aid of Dutch government funding into a fully patented production concept by Dutch company AnwigemA BV. Budding Turkish yacht designer Baran Akalin, who won a design award last year for his futuristic steampunk superyacht concept , saw its potential as the basis and has further developed the idea into a striking new luxury motoryacht concept named Escalade.

Tank testing of the scale model proved its potential

Fast and efficient

The benefits of this new low drag design are said to include speed gains of up to 30% over a conventional monohull, excellent stability both under way and at rest, large deck and hull spaces and superior fuel efficiency at cruising speeds leading to a greater range.

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The principal is much the same as a trimaran in as far as the slender central hull generates less drag than a single beamy monohull design and slices cleanly through waves for a softer more efficient ride. The two outer hulls then provide the lateral stability as well as the extra volume and deck space needed to house the accommodation.

However, unlike a conventional multihull, it doesn’t come with the penalty of an excessively wide beam that makes it hard to fit into marina berths, nor the small planing surfaces that require huge amounts of power to generate enough lift to make it plane.

Article continues below…

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Leen 72 first look: cutting-edge trimaran launched by neel yachts.

The key to this new trimonoran design is the addition of two foils linking the front and stern sections of the outer hulls. These not only provide lift but also reduce drag to enable the kind of planing speeds not normally possible with this size and style of yacht. Another break from tradition is the adoption of a hydraulic link to transfer power between the engines and the propellers rather than a conventional shaft.

This allows the engines to be positioned amidships to keep the weight as low and central as possible while the propellers are mounted on the aft foil to keep them immersed at all times. The only physical link between the two are the high pressure hoses which feed hydraulic fluid from the main engines to the small hydraulic motors and shafts in the foil. Sealegs amphibious boats use a similar system to feed hydraulic power from the petrol generator mounted under the helm seat to the folding wheels on the transom.

Size not compromise

Akalin’s current design for Escalade is based on an LOA of 82ft (25m) with a beam of 32ft 8in (10m). This is almost double the width of a comparable monohull such as the Princess 82 (18ft 10in) but still usefully slimmer than a similar length of powercat such as the Sunreef Power 80 (39ft 4in).

Vast main deck makes the most of its 32ft beam with central seating on a raised plinth

This length-to-beam ratio creates enough volume on the lower decks for four cabins and four bathrooms including a large master suite in the bow and an additional two-person crew cabin. However, the big wins are on the main and flybridge decks, both of which benefit from the extra floor space enabled by that 32ft beam.

The main deck incorporates a large open plan living area with a galley on the starboard side and a lounge area to port, in the middle of the yacht on a slightly raised plinth is a central seating and dining area with uninterrupted views out both sides. Doors out to the side decks as well as the cockpit encourage an easy flow of people and air through the yacht. The styling of the interior is the work of British designer Celia Sawyer.

Access to the flybridge is via a central staircase which passes under a glass-bottomed jacuzzi that allows light to filter down into the cockpit below as well as a unique view for its occupants of the wake trailing out behind. Multiple sunpads on the flybridge, in the aft cockpit and on the foredeck ensure it’s every bit as luxurious as a conventional monohull while its futuristic looks are a far cry from the rather dumpy looks of some multihull designs.

Although only a concept at this stage Akalin is confident Escalade could be turned into a viable production or semi-custom superyacht at a price that would allow it to compete with monohulls of similar volume.

First published in the October 2020 issue of Motor Boat & Yachting.

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