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- Sailboat Guide
Georgian 23
Georgian 23 is a 22 ′ 11 ″ / 7 m monohull sailboat designed by Alex McGruer and built by McGruer & Clark starting in 1968.
Rig and Sails
Auxilary power, accomodations, calculations.
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL
Sail Area / Displacement Ratio
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64) 2/3
- SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D : Displacement in pounds.
Ballast / Displacement Ratio
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
Displacement / Length Ratio
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
Comfort Ratio
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )
- D: Displacement of the boat in pounds
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
Capsize Screening Formula
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
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Review of Georgian 23
Basic specs..
The Georgian 23 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.
The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated. As the surface of a fin type keel is just a fraction of the total wet surface, the difference between an iron keel and a lead keel can in reality be ignored for cruising yachts.
The boat can enter even shallow marinas as the draft is just about 1.07 - 1.17 meter (3.51 - 3.81 ft) dependent on the load. See immersion rate below.
Sailing characteristics
This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.
What is Capsize Screening Formula (CSF)?
The capsize screening value for Georgian 23 is 1.96, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.
What is Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 6.0 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.
The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Georgian 23 is about 99 kg/cm, alternatively 558 lbs/inch. Meaning: if you load 99 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 558 lbs cargo on the boat it will sink 1 inch.
Sailing statistics
This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.
What is Motion Comfort Ratio (MCR)?
What is L/B (Length Beam Ratio)?
What is a Ballast Ratio?
What is Displacement Length Ratio?
What is SA/D (Sail Area Displacement ratio)?
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 16m 2 (172 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.
Are your sails worn out? You might find your next sail here: Sails for Sale
If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.
This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.
Do you have changes/improvements you would like to share? Upload a photo and describe what to look for.
We are always looking for new photos. If you can contribute with photos for Georgian 23 it would be a great help.
If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve.
Image upload Georgian 23
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- For sailboats: The keel
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- Start date Nov 23, 2005
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I have what is called a Georgian 23 which i cannot find any info about. I do know that the same builders and designers of the grampian did the georgian. Mcgruer and Clark. Is the georgian 23 a grampian sister or the same ship. does anyone recognise this boat.
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- Fiche technique
- Bateaux �quivalents
Georgian 23
Fiche technique du georgian 23.
Voir la fiche technique
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McGruer & Clark
Bateaux de l'architecte Alex McGruer
Grampian Marine
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Georgian 23 - Cruising Genoas
Copyright © 2024 MAURIPRO Sailing LLC.
1975 Georgian 23' sailboat in Farnham, Quebec for sale
999 OBO. Boat in good shape. Needs some TLC and major cleaning. 23' masthead sailing sloop, fiberglass construction complete with dry-dock cradle. Well maintained and many updates. 3 sails including main, genoa, and storm jib. Boat also has swim ladder. Sleeps four adults. Stable boat, good layout and size, great for beginners. Motivated to sell! Boat dry docked at Britannia Yacht Club, Ottawa.
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COMMENTS
A boat with a BN of 1.6 or greater is a boat that will be reefed often in offshore cruising. Derek Harvey, "Multihulls for Cruising and Racing", International Marine, Camden, Maine, 1991, states that a BN of 1 is generally accepted as the dividing line between so-called slow and fast multihulls.
Georgian 23 is a 22′ 11″ / 7 m monohull sailboat designed by Alex McGruer and built by McGruer & Clark starting in 1968. ... The higher a boat's D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or ...
The Georgian 23 is a 23.0ft masthead sloop designed by Alex McGruer and built in fiberglass since 1968. The Georgian 23 is a moderate weight sailboat which is slightly under powered. It is very stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser.
The Georgian 23 is equipped with a finn keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a long keel. The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which ...
My "new" Georgian 23. Hey fellow sailors. I'm fairly new to Sailnet as a registered member. Looking forward to the articles and insights. I've mostly owned dinghy sailboats over the years and a short stint with a Paceship23. I just purchased a Georgina23 and will be sailing out of Port Dover, Lake Ontario. She's a 40+ year old boat with minimal ...
Advertise Here. Georgian 23 owners unite! solid hull and topsides! little diesel in there, standing headroom! Would greatly enjoy hearing from other owners of same little ship, or anyone with interesting knowledge of the same. Any help/advice about one cylinder diesel would be welcome. sailed a nash 20, about 20 years ago, looking forward to this!
I have sent along a photo of the georgian. Does anyone know this boat. Menu Menu. Search. Search titles only. By: Search Advanced search. Search titles only ... grampian georgian 23 newport,ontario Nov 23, 2005 #1 I have sent along a photo of the georgian. Does anyone know this boat . J. jimq26. Jun 5, 2004 860 - ...
Complete Sail Plan Data for the Georgian 23 Sail Data. Sailrite offers free rig and sail dimensions with featured products and canvas kits that fit the boat. ... Sailboat Data ; Georgian 23 Sail Data ; Georgian 23 Sail Data. Pinit. SKU: X-SD-4778 . Quantity discounts available . Quantity Price; Quantity -+ Add to Cart . You may also like. Sheet ...
Image upload Georgian 23. ... The cockpit; For sailboats: The keel; For sailboats: The rig; This said, all photos and drawings are welcome. Especially for larger boats, the categories above are not sufficient to get the full picture so to speak. *: Mandatory field. Boat type: *
My "new" Georgian 23. Please Introduce Yourself. Hey fellow sailors. I'm fairly new to Sailnet as a registered member. Looking forward to the articles and insights. I've mostly owned dinghy sailboats over the years and a short stint with a Paceship23. I just purchased a Georgina23 and will be sailing out of Port Dover, Lake Ontario.
I have what is called a Georgian 23 which i cannot find any info about. I do know that the same builders and designers of the grampian did the georgian. Mcgruer and Clark. Is the georgian 23 a grampian sister or the same ship. does anyone recognise this boat.
Georgian 23. Le voilier Georgian 23 est un monocoque habitable de croisière, construit par le chantier McGruer & Clark. Ce voilier Quille fixe, gréé en Sloop en tête, réalisé par l'architecte naval Alex McGruer avec un tirant d'eau maximum de 1.07 m. La production a démarré en 1968. Bateau disponible d'occasion.
Pre-Spec sailboat sheets for your Georgian 23. Genoa, gennaker and spinnaker shets to fit your cruising or racing sailing style. Full range of options.
Pre-spec and custom mainsail, genoa and spinnaker halyards for your Georgian 23 Polyester and Dyneema lines for cruising and racing halyards. Full range of options.
The SMALL CRAFT ROUTE. The SMALL CRAFT ROUTE along the east and north coast of Georgian Bay is a stunning route through the 30,000 islands. This part of Georgian Bay rivals the sailing grounds of the Greek Islands for its beauty and challenge. The scenery is breathtaking and the sailing is arguably the most challenging in North America.
Find custom spinnaker halyards (Cruising) for Georgian 23 at Mauripro Sailing, your rigging shop and sailboat parts and equipment supplier. Free shipping.
The Grampian 23 is a recreational keelboat, built predominantly of fibreglass, with wood trim. It has a masthead sloop rig, a spooned raked stem, an angled transom, a transom-hung rudder controlled by a tiller and a stub keel with a swing keel, or optional fixed fin keel. It displaces 3,200 lb (1,451 kg) and carries 1,033 lb (469 kg) of lead ...
Welcome to Georgian Harbour Yacht Sales. Come visit our offices in beautiful Georgian Bay and Lake Simcoe for a complete list of Brokerage Sail and Power boats. We have a dedicated team who will make your boat buying or selling a professional experience.Enjoy Responsible Boating.
Looking for 135% Roller Furling Genoas for your Georgian 23? Find prices, tech specs and online ordering at MAURIPRO Sails, cruising and racing sails.
The Georgian 23 is a 23.0ft masthead sloop designed by Alex McGruer and built in fiberglass since 1968. The Georgian 23 is a moderate weight sailboat which is slightly under powered. It is very stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser. This boat has a good score and ranks in the top ...
999 OBO. Boat in good shape. Needs some TLC and major cleaning. 23' masthead sailing sloop, fiberglass construction complete with dry-dock cradle. Well maintained and many updates. 3 sails including main, genoa, and storm jib. Boat also has swim ladder. Sleeps four adults. Stable boat, good layout and size, great for beginners. Motivated to sell! Boat dry docked at Britannia Yacht Club, Ottawa.
23.25 ft / 7.09 m: LWL: ... Like the LWL, it will vary with the weights of fuel, water, stores and equipment. A boat's actual draft is usually somewhat more than the original designed or advertised draft. For boats with adjustable keels (centerboards, daggerboards, lifting and swing keels), Draft (max) is with the board down. ...