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  • Boat Maintenance

Keels: Minor Maintenance and Repair

Remedies for rusty iron keels.

yacht keel repairs

The best way to treat an iron keel that’s rusting is to sandblast the whole thing and apply a complete, new, epoxy-based coating system. But that’s not always feasible or desirable. Because of the mess involved, many boat yards do not allow sandblasting. Even when this is permissable, a complete recoating job also means a complete re-fairing job, and that in turn means lots and lots and lots of slow, boring, dirty work if anything approaching a proper, smooth foil is to be achieved.

Keels: Minor Maintenance and Repair

Because of the problems involved in complete refinishing of an iron keel, patch painting of rusted spots is often the only practical way to go.

Begin by cleaning the rusted spots as thoroughly as possible. Take your time here as this is the most important step. Chip off any scale with a cold chisel or welder’s chipping hammer, then wire brush-use a drill-powered brush where possible – and sand with coarse paper until you’re down to clean, bright iron. Use fine sandpaper (#150) to feather in surrounding, sound paint, and you’re ready for your new coating. Get paint on the bare, prepared iron as soon as possible. Iron will begin to oxidize almost immediately, and leaving it bare overnight will make much of your preparation go for naught.

Unfortunately, the best possible anti-rust coatings – those with epoxy bases which are true vapor barriers – are not compatible with other paints. Epoxies just won’t stick to other coatings; and, thus, because patch painting must lap over onto other paint, epoxies can’t be used in this application.

Our own experience backs up the recommendations of the paint manufacturers. The best coating to use in patch painting iron is zinc chromate paint. All the major manufacturers of marine coatings make a good zinc chromate. Take your choice and follow the directions. The most important rule to follow is three coats must be used. The object is to form as nearly an impenetrable barrier to water as possible, and three coats give a far better chance than one or two.

Patch painting isn’t the ultimate answer. Actually the ultimate solution isn’t even the sandblast – epoxy route. It’s replacing the damned iron with lead. But that’s even less economically feasible than sandblasting! Careful preparation and three coats of zinc chromate paint, however, make for a good, economically and manpower effective, finite solution.

-John Pazereskis

As a rule, lead keels require far less care than iron. Nevertheless, they are not maintenance free. While you don’t normally think of your lead keel as corroding away, lead keels can develop significant problems that both degrade performance and reduce the value of your boat.

The main culprit is bottom paints with a high copper content. Copper paint on a lead keel creates a galvanic couple, just as copper paint does on an iron keel. Fortunately, the difference in potential between lead and copper is far less than the difference between iron and copper, so that corrosion problems are commensurately smaller.

Keels: Minor Maintenance and Repair

However, it is common to see lead keels with crumbly, whitish surface deposits, which when scraped away reveal a porous surface where the lead has corroded. Fortunately, the surface of a lead keel does not corrode and pit in the same manner as an iron keel, and reasonable repairs can be made without expensive equipment.

A drill-powered wire brush will usually grind away surface deposits and do an adequate job of cleaning out shallow corroded areas. It is important to remove as much of the crumbly oxidized lead as possible, to create a good surface for filler bonding.

With the lead clean and bright, fill corroded areas immediately with an epoxy filler. The best epoxy fillers for this purpose are the ones you make yourself from epoxy resin, such as the Gougeon Brothers West System epoxy, and a filler such as phenolic microballoons or microspheres. Remember that lead is pretty soft, and you don’t want your filler to be significantly harder than the surrounding material.

When filling, give the area to be faired a prime coat of unfilled epoxy before applying the thickened epoxy mixture. This will allow a better bond between the filler and the surface. You can allow the clear epoxy to partially kick off before over-coating with filler, but don’t let it cure completely or you’ll get a poor bond.

When the filler has cured, sand or plane it level and smooth. A belt sander or conventional hand bench plane can be used, since lead planes almost as easily as wood.

With all corroded areas and damaged areas cleaned and filled, sand or wire brush the rest of the keel to bright metal. A belt sander or disc sander works fine here, although proper use of either tool to avoid gouging the surface takes a little practice. A lead keel is far easier to bring to bright metal than an iron keel. The fin keel of a 30-footer can be done in an hour or so.

To make sure your keel doesn’t begin to corrode again, you must completely isolate the surface of the keel from the bottom paint with an epoxy barrier.

This is a two-stage process. First, the keel must be primed with a vinyl primer, such as Regatta Vinyltex 50/51 or Interlux Viny-Lux Primewash 353. The primed keel can then be over-coated with an epoxy mastic such as Regatta Epoxydur Mastic 3630-3631. Surface preparation and the timing of application of the coats of vinylepoxy systems are critical, so the manufacturer’s instructions must be followed to the letter.

Keels: Minor Maintenance and Repair

The epoxy mastic coating does not sand well, so special care must be taken in application to get a smooth keel surface. This same epoxy system can be used on iron keels that have been blasted or ground to bright metal, but is only effective on a completely clean surface free of any rust or scale.

Several coats of the epoxy mastic can be used. The thicker the coating, the more effective the barrier between the keel.

The only drawback of epoxy sealing of an external keel is that it no longer functions as a good ground plane for Loran and single sideband, or as access to ground in a lightning protection system. To compensate, you should install an external grounding plate such as the Dynaplate.

Surface corrosion is not limited to the lead keels on older boats. Poorly alloyed keels on new boats can also corrode. Fortunately, the cure is not difficult – only labor intensive – and the prognosis is for complete recovery and a long life. Yearly checkups are recommended, with local retreatment as necessary.

Beauty of Internal Ballast Really Is Skin Deep

If you’re gloating because you think your encapsulated keel frees you from any worries, forget it. Encapsulated ballast frequently requires more complicated care than an external ballast keel.

The danger is damage to the fiberglass shell surrounding the keel.

Even if you haven’t run aground this year, there’s a good chance that some where along the way you have acquired at least some superficial gouges in the lower part of the keel shell. These should be treated before they become problems. Even superficial damage to the gelcoat can allow water penetration into the laminate.

Treatment of superficial gouges in gelcoat or the first layers of the laminate is straightforward. First, wash the damaged area thoroughly with high pressure fresh water. Dry the gouged area with a handheld hair dryer. Roughen the edges of the gouge with very course sandpaper – 50 grit or 36 grit.

Wash the area again thoroughly with acetone. Use a small, stiff bristle brush to clean the gouge completely. Dry again with the hair dryer, after most of the acetone has flashed off. Don’t breathe the stuff.

With the area thoroughly clean and dry, brush on a clear coat of epoxy resin, followed by resin thickened with microspheres or micro-balloons. Stick waxed paper over the epoxy patch to keep the epoxy from sagging out.

When it’s dry, sand smooth and touch up any voids or hollows with more filled epoxy.

When everything is filled, prime the patch and the surrounding area with a two part epoxy primer, such as Woolsey MFP. This is important, because the gelcoat that you have sanded is now pretty porous, and is more likely to develop blisters than polished gelcoat.

More extensive damage to encapsulated keels, requiring structural fiberglass repair, will be dealt with in another article. How do you tell if you’ve got structural damage? As a rule, any time the shell is ground away so that any of the ballast is exposed, or any time laminate is exposed over an area’ greater than a square foot, you probably need to do more than patch with putty. 

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yacht keel repairs

Keel Repair

Keel repair comes in various forms, from leading-edge chips and dings, to keel and hull joint cracking and weak sumps. Structurally improving a weak keel is a necessary safety repair. The Off The Hook Yacht Services paint and fiberglass crew can repair your damaged keel to a surveyor or engineer’s standard using quality materials.

Explore all that Off The Hook Yacht Services has to offer in paint and fiberglass including bottom paint, running gear paint, collision damage, moisture damage, grounding damage, rudder repair, bow and stern thruster installation, hull paint, deck paint, superstructure paint, keel repair, gel coat repairs, hatch and portlight installation, fiberglass wood replacement and custom fabrication. Full boatyard services including haul out & mobile service, engines & systems, electronics, and hardware & rigging are available at the Downtown Wilmington, North Carolina, Cape Fear riverfront location. Off The Hook Yacht Services is a five-minute drive from Wilmington International Airport ( ILM ) and Private FBO; reaching your boat from across the world is steps away.

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Osmosis treatment using hot-vac cure, shipwright & carpentry work, grp repairs, maintenance, wooden and grp refits and restorations, spray application, insurance works.

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Keel Re-works and/or Removal

The process of removing a keel is as follows:

  • Make a cradle for keel and remove upon completion
  • Supply a belly cradle for the hull to sit in with no keel.
  • Remove keel bolts (These will be checked for leaking and corrosion)
  • Lift boat off keel (This is not always a straight forward job and can be time consuming)
  • Any cracking found will be repaired/welded.
  • All old bedding from hull landing to be removed.
  • If required supply new keel bolts and plates (The cost of these is dependent of the size required)
  • Re-fit keel, plates and bolts
  • Fill and fair keel
  • Prime and antifoul

We carryout this type or repair/replacement quite frequently and have seen and overcome most issue that can arise when working with keels, please see below a keel replacement carried out on a feeling yacht or click on the links for more keel projects.

Get in Touch

If you would like some more information on our services, would like to discuss your needs or simply would like a quote, get in touch today.

JWS Marine Services pride ourselves on our ability to give the customer what he or she wants. We offer a range of services in order to restore your vessel and take great care in doing so. Click one of the below to find out more.

A 6 week (min) Treatment carried out within our workshop with the use of a Hot Vac curing system. Optional Extra available such as surveyors oversight etc.

Whether it be from a small scratch or some star crazing to a hole or dent caused by an impact, with our expertise and high quality finish on all gel repairs carried out you will be pleased with the finished result.

Copper coat is a tough and robust product that will last the rigours of time in every mixture of water grade. It is the combination of a specially-developed, solvent-free epoxy resin and high purity (99%) copper.

We are happy to provide competitive quotes for all insurance claims/works please contact us with all your details.

JWS Marine services real passion is wooden classics and we enjoy nothing more than working with them whether it be from a minor repair to a total re-fit and all that is in between.

There is nothing better than restoring a thing of beauty back to her Glory, That’s just what we do here, from start to finish in wooden and GRP.

Looking tiered, slightly damaged or how about a new colour scheme. Re-spray is the way forward, to bring her back to all her glory, with a variety of colours to choose.

Hand Painting and Varnishing

Traditional hand painting is one of the hardest things to get right. JWS Marine services have refined the process and products used.

When it comes to your boat, keeping her looking tip top is always first on the list, with our maintenance programs we are able to provide a detailed program tailored to you and your boat need, whether that be a basic yearly Antifoul to a full maintenance program

Window/Hatch Refurbishment and Replacement

From a single refurbishment to a complete replacement of all windows and hatches JWS can help.

We carryout this type or repair/replacement quite frequently and have seen and overcome most issue that can arise when working with keels.

Metal Design, Fabrication and install

This section is currently in development, please check back soon

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Southerly 42 – coppercoat application and more, insurance work – keel damage following a collision, new window install on a 32ft sunseeker.

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Keel Repair

On any boat the bottom of the keel is exposed to damage from rocks from cruising in shallow water.

How to repair a damaged keel.

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Get to know Dickerson Harbor Boatyard

Learn about the history, changes over the years and current capabilities., get an exclusive look inside dickerson harbor, including the range of boat repairs and services we provide..

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Decks and Keel Repairs

Yacht decks and keels are on opposite sides of the yacht; for the most part they are separate and destined to perform very different functions. However, both are the core structures of the yacht; the deck is the roof and the keel is the backbone, which is why boat deck repairs and keel repairs should be taken so seriously.

Deck and Keel Damage

Because they live very different lives, decks and keels are also prone to different damage, which means that deck repairs and keel repairs are very different.

The common ways in which decks and keels are damaged:

  • Faulty design (including deck drainage, ports and windows)
  • Improper refits (incorrect hole drilling, equipment installation and removal)
  • Improper seacock and thru-hull maintenance
  • Weather corrosion (sitting water, sun damage and storm debris)
  • Mishaps in docking and loading yachts
  • Irregular inspections and improper keel maintenance
  • Water corrosion (salt, sun and barnacles)

Each vessel comes with unique challenges based on the damage and the materials used to construct the deck and keel

Though most yacht deck repairs can be performed while the yacht is still in the water, keel repairs require a boat haul out.

Yacht Deck Repairs

Good deck repairs start with an inspection; great deck repairs start with an inspection, a plan, and a thorough cleaning. Know the difference.

Fiberglass deck repairs – though fiberglass can be a tricky material to work with, the benefits are a longer lasting repair.

Wood deck repairs – wood decks are stunning, but although wood decks are easier to repair and restore, they will likely need repair more and often, simply because wood is more susceptible to damage.

Keel Repairs

Nothing sends a shiver down the spine of a captain quicker than an accidental grounding. It happens to even the best captains, and most at one point or another will damage the keel due to grounding.  

Keel repairs require a yacht haul out, and some repairs can take up to two weeks depending on the extent of the damage.

Decks and Keel Repairs Separator

You should always hire an experienced yacht technician or find a local boatyard that offers deck and keel repairs.

yacht keel repairs

Why Use Professionals

You should always hire an experienced yacht technician or find a local boatyard that offers deck and keel repairs. Though some deck repairs and keel repairs can be done by boat owners, nothing beats the experience of a marine technician in South Florida that is adept to the issue and can quickly, expertly repair it.

Inspections and Early Symptoms

Here are 4 signs that your yacht deck needs maintenance or repair:

  • Broken/lifting boards
  • Loose screws and bolts
  • Stains and blisters

These are the 4 things you should check immediately after grounding your yacht:

Give each a once over inspection and pay attention for small cracks. If any are found, consider hauling out your yacht for repairs.

For everything else you can call, email, or visit Yacht Management and we’ll get you back out on the water in no time. 3001 W State Rd 84, Fort Lauderdale, FL 33312 (954) 941-6447 [email protected]

Decks and Keel Repairs Separator

Don’t avoid inspections and haul outs that could identify problems and save you time and money on deck repairs and keel repairs. Call Yacht Management today.

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Keel maintenance and repair – Part 1

by Simon Jollands | Boat Maintenance , Preparation , Yacht ownership

Keel maintenance

The job of a sailing boat’s keel is to control sideways movement through the water and to provide a counterweight to the sideways force of the wind on the sails, which causes a boat to heel over.

Keels are designed to act as underwater foils that generate lift as the boat moves through the water, counteracting the leeward force of the wind and enabling the boat to sail closer to the wind.

The most common type of keel used for sailing yachts is the bolted-on fin keel. Fin keels are usually made of cast iron, bolted through the undersides of GRP hulls with substantial stainless steel bolts. Other types of keel include bilge keels, shoal keels, encapsulated keels, lifting keels and canting keels, as used on racing yachts.

While iron is the most common type of ballast, lead is also widely used. Cement or concrete is sometimes used in combination with scrap iron as ballast for wooden and steel boats, but this can lead to steel rusting from the inside and is not considered good practice. Some modern racing yachts have water ballast which can be pumped into tanks to help counterbalance heeling.

Clearly, motor boats do not require deep keels to counterbalance the heeling effect and sideways force of a boat under sail, but nonetheless they do have keels designed to keep them stable and provide structural integrity. Displacement hulls are often ballasted to increase stability. As a result they have a low centre of gravity making them less susceptible to the wind and waves than planing hulls, which are designed for speed and performance.

Keel problems

It is very rare for a keel to fall off a boat. When this happens the incident often receives a lot of press attention as the subject is understandably of concern to boat owners, builders and designers. Marine accident investigators are usually called in and reports are published explaining the probable causes of these accidents.

There are more common incidents involving keels that require inspections and repairs to be carried out.

yacht keel repairs

Keel bolts inspection

Keel bolts should be inspected once a year for signs of corrosion. Most keel bolts of modern boats with cast iron keels are studs, threaded into a tapped hole in the keel. Keel bolts can be made from either stainless steel or galvanised steel.

Lead keels often have J shaped bronze bolts cast into the lead. Bronze is only used with lead keels as bronze and cast iron create a galvanic reaction.

An inspection entails looking from the inside and outside of the boat:

Outside check

  • If there is rust appearing along the hull to keel joint then this is a clear warning sign that the studs may be corroding.
  • Look for any signs of movement between the hull and keel, such as splits in the seal or cracks in the hull area around the joint.

Inside check

  • Do a visual check of the fastenings in the bilges, making sure you take a look at all of them even if they are hard to access.
  • Dry and clean the bilge – the bilges should be kept dry at all times to help prevent corrosion of the fastenings, even if they are stainless steel.
  • Some staining and minor rust is quite common but heavier corrosion needs to be checked over carefully.
  • Surveyors tap the studs with a hammer and know what sounds to listen for. A ringing sound is good, a dull sound is not good.
  • Check for any stress cracks in the bilge area around the keel bolts, which indicate there has been movement. If you see damage like this then it would be wise to have the keel removed for further inspection.

Keel bolt corrosion

Keel bolts can sometimes be withdrawn for inspection to check their condition and for any signs of corrosion. This entails first removing the nuts one by one and inspecting the threads for signs of crevice corrosion.

Quite often, it is the middle part (the waist) of a bolt where the corrosion is taking place, which is where the hull joins the keel. This is caused by the failure of the seal at the hull-to-keel joint, which allows sea water to reach the bolts and corrode them. Under these circumstances, the seal will need to be replaced as well as any corroded keel bolts.

If you have any cause for concern it is wise to ask an expert to take a look and advise whether the keel needs to be removed for further investigation and repair.

Keel bolt and hull-to-keel seal replacement

A typical repair involving keel bolt replacement and new hull-to-keel joint proceeds as follows:

  • A frame is prepared to support the keel when it is separated from the hull.
  • The boat is supported in the boatyard hoist or crane.
  • The keel bolt nuts and washers are removed from inside.
  • The boat is hoisted a little off the cradle.
  • As separation begins steel blades are inserted into the hull-to-keel joint crack to cut through the seal. Steel wedges may be hammered into the joint to encourage separation. This can take several minutes as seals are sometimes reluctant to give way.
  • Once the hull and keel are separated the boat is lifted clear from the keel. The keel now rests in the wooden frame.
  • The keel bolt studs are inspected. If any are badly corroded or distorted then they are removed and replaced.
  • The old sealant is ground away from the flat surfaces of the hull join and keel top.
  • The fibreglass hull around the join area is checked for stress cracks. If these are found then the hull will need to be strengthened with new layers of woven fibreglass mat and epoxy.
  • The hull and keel top are prepared thoroughly for priming in order that the new sealant can be applied.
  • The boat is slowly lowered back down onto the keel, then the backing plates, washers and nuts are fastened. Excess squeezed out sealant is wiped off.
  • The nuts will need to be torque tightened according to the recommended keel bolt diameter torque settings as the seal beds down and checked again after the boat is relaunched for any signs of leakage.

yacht keel repairs

Boat ownership – some fundamentals

Owning a boat is a big commitment that should bring no end of satisfaction, but the costs of maintaining and keeping a boat are significant and should never be underestimated.

Leaking decks

Leaking decks are perceived as a nuisance by some boat owners, but if leaks are ignored a much more serious situation may well be developing, especially in the case of boats with balsa or plywood deck cores. So deck leaks do need to be investigated and dealt with.

A five day sailing cruise of the Solent, UK

Boat maintenance – what does it involve.

The maintenance of a boat involves things like cleaning, varnishing, painting, polishing, antifouling, servicing the engine, servicing the seacocks, and maintaining the gas and plumbing systems. It all amounts to a fairly considerable amount of work that can’t be ignored if you are to keep your boat in a safe and good condition.

2023 Rolex Fastnet Race

Safe Skipper’s Simon Jollands took part in the 2023 Rolex Fastnet Race – a classic offshore sailing event. This is the first of several articles on the race and focuses on the start.

Pre-start engine checks

According to the Royal National Lifeboat Institution (RNLI) almost one third of emergency call outs at sea are caused by mechanical failure. Many engine breakdowns are avoidable. The best way to avoid a breakdown is to carry out pre-start checks before heading out to sea.

Boating emergency – how to broadcast a MAYDAY emergency call

Essential boat safety briefing, an explanation of the iala maritime buoyage systems – iala a and iala b, sail care and maintenance – part 2.

At the end of the sailing season sails should be washed and inspected carefully for damage, including small tears, stitching failure, ultraviolet damage, stains and mildew.

Sailboat rig checks – Part 2

In part two of Sail boat rig checks we run through some useful rig maintenance tips and then finish with a brief look at what a professional rig check involves.

Steel and Aluminium Hulls

The two metals used for hull construction are steel and aluminium. These are both very strong materials and will last a long time as long as they are cared for, which primarily means protecting steel boats from rust and aluminium boats from electrolytic action.

Boat Engine Safety Checks

Jester challenge 2022 – sailing single handed from plymouth uk to the azores: part 6 – communications.

Jester Challenge – A modern experiment in old-fashioned self-reliance, self sufficiency, and personal responsibility. This is the sixth of a 10-part post where solo sailor, Bernie Branfield, shares his first-hand account of his single-handed, 2022 Jester Challenge, from Plymouth, UK to the Azores, in his 26′ Invicta Mk2, Louisa.

Boatyard Health and Safety

Medical emergency at sea, boat surveys.

Sailing Boating Rules

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18th November 2020

Deacons Boat Care – Keel removal, keel bolt replacement and keel refit

One of the jobs that our Boat Care team specialise in at Deacons Marina, is keel removal and refit, with the aim of replacing the keel studs or fitting a new keel to the hull.

The following article details the stages for refits undertaken this summer to an Elan 333, a Feeling 1040 and a Westerly Tempest. The Feeling 1040 and Elan 333 required keel stud replacement – this is common and it is advisable to have the keel studs inspected periodically. The Westerly meanwhile, further to a tour of the UK, required keel modification to add some 300 Kg of lead (not done at Deacons) in order to make her faster, stiffer and overall more comfortable both at anchor and whilst sailing - we were tasked to drop and replace the keel.

For the keel refit to the Feeling 1040 and Elan 333, we started by un-stepping the mast, before lifting her out of the water with our 20T hoist. She was then held in the slings with her keel firmly held in a keel stand. From here, the boat care team jumped aboard and loosened off her keel studs – spanners, a socket set and a torque converter are required. Once loosened, the keel was ‘let-go’ to the keel stand – and the hull lifted off the keel carefully.

Once the keel is dropped, the task begins to replace the keel studs and to clean up the “mating surfaces” – these are the flat parts of the keel and hull where they meet. We started by stripping back the “mating” surfaces first, using a grinder to remove the old sealant. We then moved on to the studs themselves, first drawing them out of the keel, ready to measure up for new ones. We manufacture new studs out of machined A4 stainless bar, cutting it down to the perfect size to match the old stud; you do have to be careful to check that the old stud you are measuring from, actually fitted well in the first place. We then thread the new keel studs in to position in the keel.

yacht keel repairs

To refit the keel to the hull now all the surfaces are cleaned up as new, threads are checked for burs and cleaned with a die as needed.

We then coat the cleaned up mating surface of the keel with Sabatack – this is a MS polymer-based moisture curing sealant and adhesive. About 8 tubes are used.

Feeling 1040   Sabatak being applied to the mating surfaces of the keel

Once Sabatack preparation is complete, we now offer up the keel to the hull again, slowly and very carefully lowering the hull to meet the keel in line with the studs.

The final inch is a very careful process – resulting in a satisfying squelch and ooze of the Sabatack.

The keel studs are carefully torqued up with a torque converter – simultaneously scraping away the excess ooze of the Sabatack, to leave a tidy join, ready for antifoul or copper coat application and a yacht ready to safely cruise once more.

Westerly Tempest   further to refit, the tape is removed to lead a tidy join

 We often undertake coppercoat application to yachts whose keel we have refit. Stand by for our next blog!

yacht keel repairs

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Seals; the silent silicone heroes

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TELEPHONE: 01243 512611

yacht keel repairs

There will always come a time in a Southerly's life where the keel will require some maintenance, and where better to come than the original home of the Variable Draft Swing Keel. We can carry out all your requirements, from basic keel inspection and pennant adjustment (which we recommend every 5-10 years) to a complete removal and refurbishment for the older Southerly models to bring the specification up to modern standards.

KEEL REMOVAL & REFURBISHMENT FOR OLDER SOUTHERLYS  

With over 35 years experience of building Southerly Swing Keel yachts, our expert service is unrivalled.  

For a complete keel refurbishment, we will disconnect and remove the necessary equipment and components to gain internal access to the keel and its housing. We will then remove the keel bolts, hydraulic ram bolts and the pennant.  After the keel and grounding plate are separated from the boat, we will clean the hull recess, inspect and repair and damage if necessary. The keel will then be cleaned and shot-blasted for rust removal, then primed and anti-fouled. Bearings, nylon blocks, rubber seals, steel plate and pennant will be replaced and the refurbished keel will be installed back into your yacht, all as good as new. 

We welcome the opportunity to discuss with you any upgrades you may be considering for your yacht.

no-frills-sailing.com

Swing Keel Hydraulics Maintenance

  • March 25th, 2022
  • Yacht Refit

Although I never really used the advantages of an hydraulic swing keel that much in my first season with GEKKO, I do fully appreciate the opportunities which such a variable draft boat has. Entering shallow anchorages for better protection, vice versa with shallow areas in otherwise fully occupied marinas and such. My First 27 SE comes with a swing keel in standard which is operated by hand utilizing a steel lever.

yacht keel repairs

An option in the price list is the electric hydraulic pump which makes retracting and lowering the keel as easy as ABC: Just the push of two buttons (for safety reasons) lets the keel either come up or go down in a matter or seconds. This works just fine – in situations when it has to be fastly done (maybe you are entering a shallow area, bad weather, no time for pumping by hand), it is just a quick dash down to the main switch board and up it goes (or down).

Pre-season checkup or the swing keel and hydraulic system

Now with the season coming up in a fast pace and GEKKO nearing the finalization of her upgrade-projects , I asked our hydraulics specialist Olaf to give me a short introduction into hydraulics, pumping systems, load distribution and most important, a short to-do list of how to check a swing keel hydraulic system before bringing the boat to the water. At first we went down under the boat to check the swing keel´s hanger assembly and swinging mechanism.

yacht keel repairs

Before we enter the boat, Olaf takes me down under the freshly bottom painted hull . We kneel down and he points to the large slot which houses the swing keel hydraulics-lever and pivot. “We first check for wear and teak down here.”, he says and behold, he found something: The nut which defines the fine tuning of the angle to which the keel swings up, had come loose. “I will have it secured tightly and fixed with Loctite”, he assures and we move on. Olaf points to a small, aluminium-like square attached to the keel.

yacht keel repairs

Which of course is the sacrificial anode. As the name suggests, the metal of this anode (mostly Zinc) is less “precius”, namely ignoble, than the metal used in the keel. In the case of my boat and most boats out there this will be cast iron, in boats of superior quality one can find stainless steel fins and lead bulbs or bombs or even full-lead keels. Nevertheless, within the medium water there will always be a natural current which causes metals to degrade via electrolysis. The more ignoble a metal is, the more it will degrade and protect the really important metals from this form of corrosion. This is the sacrifice of the Zinc-anodes. “Yours is still okay but also pretty worn, so we will better have replaced it”, says Olaf and takes a note.

Neuralgic points: Ducts, Cables and Connectors

We proceed up the ladder and climb inside of GEKKO. I open the starboard bench under which the hydraulic pumping system is installed. “For your boat, the system is pretty easy”, Olaf explains: “You have a pump that can only increase pressure in the system … see here”, he points to the pump and the cylinder. Showing me two black boxes from which thick black cables are running, he explains that these are the valves which either make the plunger go up or down.

yacht keel repairs

“So this system works in both directions: Oil being routed to the upper valve in the cylinder will make the plunger go down – bringing up the keel. Or vice versa, oil diverted to the bottom half of the cylinder will make it go up so that the keel goes down.” I understand. Alternatively, which I do when I let the keel go down to rest on the boat trailer , I can open a small vent by turning a black screw. This releases pressure and the keel is going down slowly. “Now, what you do here is you simple check with your fingers für leakage, possible fraying of the ducts and cables. Having oil in the bilge is never a good sign either.” With his fingers coming up slightly oily. This, he insists, is normal as the excess air that is vented out of a safety valve in the pumping cycle is always soaked with oil: “Like a fart, which also stinks a bit” … mechanics humor.

yacht keel repairs

I ask Olaf how do I know if the system has a failure or is damaged. Apart from clearly visible signs like puddles of oil or loose screws and such: “You usually hear it. If you turn on the pump and there is not enough oil in the system, you will notice the strange sound. Quite like a fresh water pump that tries to pump air when the tank is empty.” He also shows me a small inspection glass at the side of the hydraulic pump. The glass shows nothing, which is logical as the keel is now up and all the oil in the cylinder: “But when it is down, you ought to see it through the glass.” Olaf also hints: “If the oil is milky, that´s a sign for water in the system. You should replace it as well if you see other impurities.” Which kind of oil? Just the standard hydraulic stuff, he says.

Final test and approval for the sailing season

Well, that is basically it. The whole test and check-up lasted not longer than 5 minutes actually. The system is quite simple and rugged so that usually no big issues – also over the years of usage of the pumps – should occur. “You just check for unusual sounds when in operation”, Olaf hints: “Mostly, you will get a clear feedback and will be able to act quickly. Check for damaged cables and plumbing – the main objective is not never loose hydraulic pressure within the system.” I am relieved.

yacht keel repairs

Let´s have it tested, I say, activate the main switch and push the two buttons. Effortlessly the keel goes up and the pump stops working. No oil leakage, no damaged or chafed cables visible and when inserting the hand lever I also operate the keel by hand without any problems. The new anodes will be delivered soon (hopefully) and as such one big thing is crossed off my pre-season checkup-list. Which, looking back, wasn´t that big fuzz I initially had thought it would be.

yacht keel repairs

I thank Olaf for the first hand insights and really interesting little lesson in boat mechanics and hydraulics. He waves and starts his day by returning to the solar wiring-project of GEKKOs new photovoltaic system. Still hoping to see my boat swimming on her berth end of April until latest mid-May I say thank you and return to my business: I am relieved that this safety-related and crucial, integral part of a boat´s stability is checked and all is fine.

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Fiberglass boat keel repair - Featured image

Fiberglass Boat Keel Repair

Has your sailboat or powerboat sustained damage to its vulnerable keel? Impact with underwater objects can crack, chip or puncture a fiberglass boat’s keel, compromising structural integrity.

When keel damage occurs, proper repairs are essential for restoring seaworthiness.

This article provides a DIY overview of assessing damage and performing a fiberglass boat keel repair.

5. Fairing & Refinishing Repairs

Fiberglass boat keel repair guide, 1. inspecting keel damage.

After a grounding or collision, thoroughly inspect the keel for cracks , fractures, holes and delamination. Look for stress cracks radiating from the point of impact. Check inside the boat along the keel joint for signs of damage. Determine how extensive the repairs need to be.

Minor chip repairs may only require some basic grinding, filling and refinishing.

Major cracks, holes and delaminated bottom skin necessitate more extensive fiberglass work.

If damage compromises over 30% of the keel depth, professional repairs may be needed to meet safety standards.

2. Grinding Out Damaged Areas

Start by sanding and grinding down all cracked, chipped and punctured areas with 36-80 grit disks to open up the damage.

Remove loose fibers and degrade the gel coat surface to improve adhesion. Create a rough surface profile for the repair compounds to mechanically bond with.

For cracks, the saw cut a V-groove along the length with a circular saw at least 1/8″ deep to increase the surface area. Grind damaged fibers at the root.

Vacuum and solvent wipe repair areas to remove debris and grease before applying materials.

3. Filling Holes, Cracks and Chips

Fill scratches, gouges , cracks and drill holes with thickened epoxy adhesive filler thickened with colloidal silica or micro balloons. Apply filler in layers until flush with the surface, allowing cure time between applications.

For cracks, wet out the inside surfaces with neat epoxy before applying thickened epoxy. Overfill the repair and allow the adhesive to cure before final sanding.

Finish filling holes and cracks by applying structured repair materials.

4. Applying Fiberglass Repair Laminates

Fiberglass boat keel repair - Woven and fiberglass cloths

Cut several plies of woven fiberglass cloth to overlap damaged areas by at least 2″ on all sides. Pre-fill any cloth texture with epoxy filler.

Wet out each layer of cloth with epoxy resin before applying it to the repair. Use a plastic spreader to smooth the cloth, removing air pockets and excess resin. Apply 4-6 layers of cloth based on existing laminate thickness.

For cracked keels with bottom skin delamination, the detached skin may need re-bonding and supplementary layers of glass cloth overlap for added structural strength.

Allow resin fill coats to fully cure between layers based on product guidelines.

Once the repair plies fully cured, use 80-120 grit sandpaper to fair in the repair and blend with surrounding fiberglass. Fill any remaining pinholes or surface irregularities with polyester or epoxy filler/fairing compound, then sand flush.

Solvent clean and apply three coats of two-part polyurethane topside paint to match your boat’s color.

Lightly sand between paint coats. Touch up registration numbers, draft marks and antifouling bottom paint as needed.

Final Thoughts

Performing quality fiberglass repairs takes some work, but restored integrity and seamless refinishing is achievable with the right techniques.

Follow safety precautions when grinding glass materials and mixing/applying resins. Use protective equipment and ensure adequate ventilation.

With time, patience and the proper methods and materials, you can repair damage to your boat’s vulnerable keel without breaking the bank.

Take things slow, allow adequate cure times and the result will pay off with a keel that’s shipshape. Your fiberglass sailboat or powerboat will be back cutting smoothly through the seas in no time!

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How To Fix Small Holes In A Fiberglass Boat? 6 Easy Steps

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US-built pier in Gaza is reconnected after repairs, and aid will flow soon, US Central Command says

FILE - The image provided by U.S, Central Command, shows U.S. Army soldiers assigned to the 7th Transportation Brigade (Expeditionary), U.S. Navy sailors assigned to Amphibious Construction Battalion 1, and Israel Defense Forces placing the Trident Pier on the coast of Gaza Strip on May 16, 2024. A key section of the U.S. military-built pier designed to carry badly needed aid into Gaza by boat has been reconnected to the Gaza beach following storm damage repairs and aid will begin to flow soon, the U.S. Central Command announced Friday. (U.S. Central Command via AP)

FILE - The image provided by U.S, Central Command, shows U.S. Army soldiers assigned to the 7th Transportation Brigade (Expeditionary), U.S. Navy sailors assigned to Amphibious Construction Battalion 1, and Israel Defense Forces placing the Trident Pier on the coast of Gaza Strip on May 16, 2024. A key section of the U.S. military-built pier designed to carry badly needed aid into Gaza by boat has been reconnected to the Gaza beach following storm damage repairs and aid will begin to flow soon, the U.S. Central Command announced Friday. (U.S. Central Command via AP)

FILE - This image provided by the U.S. Army shows trucks loaded with humanitarian aid from the United Arab Emirates and the United States Agency for International Development cross the Trident Pier before arriving on the beach on the Gaza Strip, May 17, 2024. A key section of the U.S. military-built pier designed to carry badly needed aid into Gaza by boat has been reconnected to the Gaza beach following storm damage repairs and aid will begin to flow soon, the U.S. Central Command announced Friday. (Staff Sgt. Malcolm Cohens-Ashley/U.S. Army via AP, File)

FILE - A U.S. Army landing craft is seen beached in Ashdod, May 26, 2024, after being swept by wind and current from the temporary humanitarian pier in the Gaza Strip. A key section of the U.S. military-built pier designed to carry badly needed aid into Gaza by boat has been reconnected to the Gaza beach following storm damage repairs and aid will begin to flow soon, the U.S. Central Command announced Friday. (AP Photo/Tsafrir Abayov, File)

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WASHINGTON (AP) — The U.S. military-built pier designed to carry badly needed aid into Gaza by boat has been reconnected to the beach in the besieged territory after a section broke apart in storms and rough seas, and food and other supplies will begin to flow soon, U.S. Central Command announced Friday.

The section that connects to the beach in Gaza, the causeway, was rebuilt nearly two weeks after heavy storms damaged it and abruptly halted what had already been a troubled delivery route.

“Earlier this morning in Gaza, U.S. forces successfully attached the temporary pier to the Gaza beach,” Vice Adm. Brad Cooper, deputy commander of U.S. Central Command, told reporters by phone Friday. “We expect to resume delivery of humanitarian assistance from the sea in the coming days.”

Cooper said operations at the reconnected pier will be ramped up soon with a goal to get 1 million pounds (500 tons or 450 metric tons) of food and other supplies moving through the pier into Gaza every two days.

The pier was only operational for a week before a storm broke it apart, and had initially struggled to reach delivery goals. Weather was a factor, and early efforts to get aid from the pier into Gaza were disrupted as civilians desperate for food stormed the trucks that aid agencies were using to transport the food to the warehouses for distribution.

Iran's hard-line parliament speaker Mohammad Bagher Qalibaf sits while registering his name as a candidate for the June 28 presidential election at the Interior Ministry, in Tehran, Iran, Monday, June 3, 2024. Iran's Guardian Council on Sunday, June, 9, approved the country's hard-line parliament speaker and five others to run in the country's presidential election following a helicopter crash that killed President Ebrahim Raisi and seven others. (AP Photo/Vahid Salemi)

However, before it broke apart the pier had been gradually increasing aid movement each day. Cooper said Friday that the lessons learned from that initial week of operations made him confident higher levels of aid throughout could be attained now.

The U.S. Agency for International Development said in a statement it was working with other U.S. government colleagues and humanitarian partners on the ground in Gaza to ensure that aid from the pier “can safely and effectively resume movement, which we expect in the coming days.”

A large section of the causeway broke apart May 25 as heavy winds and high seas hit the area, and four Army vessels operating there went aground, injuring three service members, including one who remains in critical condition. The damage was the latest stumbling block in what has been a persistent struggle to get food to starving Palestinians during the 8-month-old Israel-Hamas war .

The maritime route for a limited time had been an additional way to help get more aid into Gaza because the Israeli offensive in the southern city of Rafah has made it difficult, if not impossible at times, to get anything through land routes, which are far more productive. Israel’s Rafah military operations and military strikes in northern Gaza had also temporarily halted U.S. airdrops of food.

Cooper said Friday the U.S. also expects to resume those airdrops in the coming days.

President Joe Biden’s administration has said from the start that the pier wasn’t meant to be a total solution and that any amount of aid helps.

After the May 25 storm damage to the causeway, large sections were disconnected and moved to an Israeli port for repairs. In addition, two of the U.S. Army boats that went aground during the same bad weather near Ashkelon in Israel have been freed.

Two other Army boats two beached onto the Gaza shoreline took on a lot of water and sand and the Israeli Navy has been helping with the repairs, Pentagon spokeswoman Sabrina Singh said.

Biden, a Democrat, announced his plan for the U.S. military to build a pier during his State of the Union address in early March, and the military said it would take about 60 days to get it installed and operational. The initial cost was estimated at $320 million, but Singh said earlier this week that the price had dropped to $230 million, due to contributions from Britain and because the cost of contracting trucks and other equipment was less than expected.

It took a bit longer than the planned two months for installation, with the first trucks carrying aid for the Gaza Strip rolling down the pier on May 17. Just a day later, crowds overran a convoy of trucks as they headed into Gaza, stripping the cargo from 11 of the 16 vehicles before they reached a U.N. warehouse.

The next day, as officials altered the travel routes of the convoys, aid finally began reaching people in need. More than 1,100 tons (1,000 metric tons) of aid were delivered before the causeway broke apart in the storm, Pentagon officials said.

Follow the AP’s coverage of the Israel-Hamas war at https://apnews.com/hub/israel-hamas-war .

TARA COPP

  • Grand Rapids/Muskegon
  • Saginaw/Bay City
  • All Michigan

Freighter on Lake Superior hits underwater object, some crew evacuated

  • Updated: Jun. 08, 2024, 6:10 p.m. |
  • Published: Jun. 08, 2024, 12:41 p.m.

Freighter taking on water

Bulk carrier Michipicoten, photographed by the Coast Guard at Station Bayfield on Saturday, June 8, as the carrier took on water in Lake Superior. U.S. Courtesy/Coast Guard Sector Northern Great Lakes

ISLE ROYALE, MI – A freighter on Lake Superior has been partially evacuated and is en route for repairs after it hit something underwater and began flooding this morning.

The Coast Guard Sector Northern Great Lakes received a report at 6:53 a.m. Saturday, June 8, that the bulk carrier Michipicoten had collided with an underwater object and was taking on water, the Coast Guard said in a post on X .

It is not yet clear what the freighter collided with, or the extent of the damage.

The 689-foot Canadian freighter was approximately 35 miles southwest of Isle Royale when the incident occurred. The ship was carrying taconite, which is a low-grade iron ore, according to the Minnesota Department of Natural Resources.

The ship began taking on water as a result of the damage, but pumps operating onboard were able to displace some of the water, Coast Guard officials said. The pumps helped reduce the tilt of the ship from 15 degrees to 5 degrees by 9:15 a.m., according to updates posted by the Coast Guard online.

There were no signs of spillage as of Saturday morning.

Half of the 22-person crew has since been removed from the vessel for safety, the Coast Guard said in a news release. No injuries have been reported. The bulk carrier is currently its way to a nearby port to complete inspections and effect repairs.

A helicopter from the Coast Guard Air Station Traverse City and boat crews from the Coast Guard Station Bayfield were dispatched to assist with the water emergency.

The bulk carrier Edwin H. Gott is currently alongside the Michipicoten, and U.S. Coast Guard, Border Patrol, and National Park Service vessels remain actively involved.

Melissa Frick

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Miguel Boat Repair

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Photo of Miguel Boat Repair - Santa Clara, CA, US. Here's what we can do for you!

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Bay Area Marine Services

Bay Area Marine Services

Bay Area Marine Services: MOBILE Marine Engineering & Boat Repair Email: info@bayareamarineservice­s.com Call: 415.525.9029 We come to YOU! read more

About the Business

Fiberglass repairs and customizations are our bread and butter. With over 35 years of experience Miguel has been a leader and heavily sought after technician when it comes all things fiberglass. Any structural, cosmetic, or functional application of fiberglass on your watercraft can be repaired, customized, or introduced. No space on your dash for your new marine electronic display? We got you covered! We can reshape and fiberglass new customized dashboard template to fit your new electronics. …

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601 Reed St

Santa Clara, CA 95050

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Photo of Daniel B.

Great work! Miguel and the team were able to help us refinish some fiberglass parts for our vehicles.

Photo of I P.

We took our family waterski boat to Miguel for the annual maintenance last week. We have never been there before; we were very impressed by Miguel professionalism, knowledge and friendliness. He checked everything, and more, that was needed for us to take the boat back into the water after one year not being used. He knew what to look for as a potential failure. He checked everything and his price was very reasonable. We did not have the feeling that he was overcharging us, but on the contrary. We are planning to take our boat back to Miguel every year. We would strongly recommend Miguel and his service.

Photo of Taylor K.

I brought in my 2013 Sanger for diagnostics as I was having some engine problems. Miguel was prompt with a diagnostic report and resolved all issues. The shop itself looks a little outdated, but don't let looks fool you! I couldn't be happier with their service and I will definitely return when I have other boat related needs.

Photo of J J.

Just contacted them on repairing fiberglass on my RV. Unfortunately, the damage was more extensive than originally thought. We are mulling over the repair now but regardless, Junior and Miguel were super professional in their response and response time. Would not hesitate to move forward if the wife ever blesses the repair. Happy wife, happy life.

Photo of B A.

My husband has a four winds 1993 boat that was making this horrible noise as if marbles were inside the motor, Don Miguel was extremely helpful and quick to fix the issue without taking advantage of my husband. This guy is super quick and in my opinion I felt he was honest and very knowledgeable. the only upside down is he is super busy. I recommend him.

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How to fix or repair a keel that has exposed or pitted fiberglass

  • Thread starter Sailor98277
  • Start date Aug 28, 2013

Sailor98277

  • Aug 28, 2013

How would I go about fixing a keel that has its gel coat missing from being grounded on a beach? Would you first fill in the divits with small pieces of fiberglass and resin, then rough sand and put on gel coat or would you just fill in the divits with gel coat? I will take pics tomorrow and post them here to give you a better idea of what I am refering to. Thanks all for your help. Vr, Michael  

eavega

  • Aug 29, 2013

Re: How to fix or repair a keel that has exposed or pitted fiberglass Quite honestly, if it is still watertight and you intend to continue to beach, I would "repair" by installing a keelshield or keelguard strip. I abused the heck out of a previous boat for one season by beaching it multiple times. by the end of the season the gelcoat had worn completely down to where you could see the cloth. I just sanded everything smooth and installed the keelguard over the worn gelcoat. When I installed the keelguard I sealed it all around the edge with 5200, and for two more seasons of boating/beaching I never had an issue. Keelguard looked practically brand new when I sold the boat at the end of last season. When I purchased my new boat, the first thing I did was install a keelguard. Good luck Eric  

Woodonglass

Woodonglass

Supreme mariner.

Re: How to fix or repair a keel that has exposed or pitted fiberglass Yup ^^^ sound advice. If no more beaching will occur then mix up some thickened resin using resin, cabosil, and some copped up CSM to fill the divots then sand and shape. Use some 3M premium filler for final fairing, then us a Preval Sprayer to spray on 3-4 coats of Gelcoat. Sand and Polish. DONE  

Re: How to fix or repair a keel that has exposed or pitted fiberglass Thank you eavega for the information. I had asked this very question to some guys over at West Marine about using a keel guard to fix this and was told that it would not stop the water from leaking through the keel into the bottom of the boat. This was because when water is in contact for an extended period of time, water will seep through the fiberglass and into the inside of the boat. I do not know if that is true or not, hence my reason for asking you experts here. Thank you again for your help. I will be doing what you recommended. Vr, Michael  

Re: How to fix or repair a keel that has exposed or pitted fiberglass Thank you woodonglass for your help as well. I will be sure to do as you said and put the keel guard over the patch. It will take me a bit of time as I still have to figure out a way to get the boat raised up so that I can work on the bottom of it and the trailer out from under it. Thanks again. Vr, Michael  

Re: How to fix or repair a keel that has exposed or pitted fiberglass If the keel is damaged bad enuf to expose the glass and water can penetrate then it for sure needs to be repaired prior to the installation of a keel guard.  

  • Aug 30, 2013

yacht keel repairs

Re: How to fix or repair a keel that has exposed or pitted fiberglass Yup, I'd be grinding that down, filling all major gouges and laying 2-3 layers of 1.5oz CSM over all of it and then 3-4 coats of gelcoat with a Preval Sprayer. If you are going to continue beaching her then by all means a Keel guard is in your future!!! What kind of boat is this?  

Re: How to fix or repair a keel that has exposed or pitted fiberglass Thank you Woodonglass, I have never had this boat in the water. My brother-in-law convinced my wife it was a great boat for us to use on Puget Sound to go fishing and crabbing in. The floor was soft so that when you stepped into it you felt like you were gonna fall through, the motor wont start even though it has good compression, and the keel is all torn up from beaching. I won't be beaching the boat when completed, but I will be installing a keel guard to protect it none the less. If I remember right, it is an 18' 1967 Las Vegas Sierra Tri-Hull. I have done so many searches for information on this particular boat it is not funny, but have come up snake eyes. I planned on picking up some CSM tomorrow so that I can use it to put down the initial layer of glass and resin on the floor joints then cover that over with woven mat. I am using West Marine Polyester Boaters Resin that I bought in (2) 1 gallon cans. I believe that should be enough to do the joints in the floor and sides where the floor meets the gunnals. I hope that it will also be enough to do one layer on the floor of just resin but we will see as I also have to buy the pour in foam yet this coming Sept. I would love to have the floor all done before the rains hit here in a few weeks. Vr, Michael  

Petty Officer 1st Class

  • Aug 31, 2013

Re: How to fix or repair a keel that has exposed or pitted fiberglass Did you pay much for the boat? The reason that I ask is that soft floors are quite often indicative of other structural issues, namely wet or rotted stringers and bulkheads. Once you get the floor up, you are likely find that you've opened up a major can of worms. If that happens then you have to decide whether to do a half assed repair, go all the way on a restoration, or scrap it and try to recoup your money. I'm not trying to sound negative, just being realistic as I stumbled into the same situation and now have 36 days straight on my renovation.  

Grub54891

Vice Admiral

yacht keel repairs

Re: How to fix or repair a keel that has exposed or pitted fiberglass Hello Bakerjw and grub1grub2, I paid $500 for the boat which included a 80 hp merc outboard that would not run, though the guy said it did. My brother-in-law convinced my wife like I had said and there was nothing I could really do about it as she had her head set on getting it. I pulled up the soft floor, took out close to 800 lbs of water logged foam, and found that one cross member was rotted out. The long stringers seemed solid at the back end of the boat but I had no way of taking the cap off the boat so I could pull out all the stringers and start from scratch. I intend to put 2 lb flotation foam back in which will give it some structural support as well as the obvious floatation requirements. I'm not sure if I will keep the boat or not but I will fix it up all the same as is. It is at best just a temp boat that when I have more money, I will buy a decent boat (like this will ever happen). However, it is only for doing some basic salmon fishing in pretty much calm waters, and wont be taken out into the heavy chop. I still need to fix the motor and find a way to lift the boat up so I can fix the keel with the recommendations from above. It's not the boat I wanted to get but the wife would not let me spend more even though this one will cost me about $1000 just to get it back to seaworthy status and that does not include a functioning motor. Oh well, what is a guy to do? I like being on and around the water so I will make do. When I have the floor done or further along with its first coat of glass, I will take a pic of it. Vr, Michael  

Re: How to fix or repair a keel that has exposed or pitted fiberglass Thanks Woodonglass, I have checked part of the stringers where the foam was the wettest and the stringers were ok there, however that does not mean the whole of them are fine. As for the transom, it is solid. The motor on it will not be the one staying on it. the control arm that turns the motor left and right comes into contact with the left side of the troff in the top. I will most likely down grade the motor if I keep the boat to about a 50 hp. I have a neighbor who wants to buy the boat for $500 or so to include the trailer. I have been giving that serious thought. I do not have the funds to pull the whole bottom apart and redo as necessary being I am on such a limited income. However others might and this guy would most definately have the cash. Then again, who knows. Thanks for the tips and information as it is greatly appreciated... it is also a very good learning experience. Vr, Michael  

Re: How to fix or repair a keel that has exposed or pitted fiberglass Did you actually drill into the stringers and the transom to inspect the shavings or just do an outward visual inspection and some tapping around with a hammer and such??  

  • Sep 2, 2013

Re: How to fix or repair a keel that has exposed or pitted fiberglass It was a drill as I made a pilot hole when I put the new cross member in toward the rear of the stringers. When I screwed the floor down, the screws again had pilot holes to follow, and the ones at the back were or seemed fine, but the others might have been a bit to easy going in now that I think of it.  

pauloman

Petty Officer 3rd Class

Re: How to fix or repair a keel that has exposed or pitted fiberglass repair with a kevlar reinforced epoxy paste - you can use glass with it , but sounds like you don't need to google wet dry 700 epoxy Paul Oman - MS. MBA A.K.A. “Professor E. Poxy” Internet Epoxy Confederation (IEC) Homepage epoxies since 1994 Member: NACE (National Assoc. of Corrosion Engineers) -- SSPC (Soc. of Protective Coatings)  

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COMMENTS

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    Treatment of superficial gouges in gelcoat or the first layers of the laminate is straightforward. First, wash the damaged area thoroughly with high pressure fresh water. Dry the gouged area with a handheld hair dryer. Roughen the edges of the gouge with very course sandpaper - 50 grit or 36 grit.

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    Keel repair comes in various forms, from leading-edge chips and dings, to keel and hull joint cracking and weak sumps. Structurally improving a weak keel is a necessary safety repair. The Off The Hook Yacht Services paint and fiberglass crew can repair your damaged keel to a surveyor or engineer's standard using quality materials.

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    We carryout this type or repair/replacement quite frequently and have seen and overcome most issue that can arise when working with keels, please see below a keel replacement carried out on a feeling yacht or click on the links for more keel projects. Re-bedding of bilge keels on a Sadler 290.

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    No worries, we'll reply within a day! Speak with our expert team about your needs : 415-626-3275. Come by the boatyard : 835 Terry Francois Blvd, SF, CA, 94158. Find us from the water : GPS coordinates: 37° 45' .88" , 122° 23' .18". Repair docks 1-6.

  24. How to fix or repair a keel that has exposed or pitted fiberglass

    Re: How to fix or repair a keel that has exposed or pitted fiberglass repair with a kevlar reinforced epoxy paste - you can use glass with it , but sounds like you don't need to google wet dry 700 epoxy Paul Oman - MS. MBA A.K.A. "Professor E. Poxy" Internet Epoxy Confederation (IEC) Homepage epoxies since 1994

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