Westerly 24 GK (masthead rig)
Description
The Westerly GK 24 (also known as the GK24 or Westerly 24 GK) is a compact British trailerable cruiser/racer from Westerly Marine Construction Ltd. (Waterlooville, England), designed as a family-friendly evolution of Laurent Giles' earlier quarter-ton IOR racer Ebblake IV (1973). It was introduced in 1976 to appeal to both racing crews and weekend sailors, with a choice of rigs (masthead or fractional), keels (deep fin for performance or shoal fin for versatility), and basic accommodations for 4. Production ran until 1981, with 320 hulls built—making it one of Westerly's more successful small models despite its short run. Designer: Laurent Giles (specifically, the Laurent Giles & Partners firm; the hull lines were adapted from Ed Dubois' Ebblake IV quarter-tonner by Giles' team, with input from Westerly's Chris Hawkins for production refinements like increased displacement, deeper keel options, and a shallow/flush deckhouse for better headroom).
Construction Details
| Designer | Chris Hawkins and Laurent Giles |
|---|---|
| Builder | Westerly Marine (UK) |
| Length | 24.000 ft |
| LOA | 24.000 ft |
| LWL | 19.670 ft |
| Beam | 9.330 ft |
| Displacement | 4100 lb |
| Ballast | 1400 lb |
| Max Draft | 5.000 ft |
| Year Built | 1976 |
| Notes | Shoal keel draft is 4.08 feet. |
The standard boat dimensions
| i | 29.80 ft |
|---|---|
| j | 10 ft |
| p | 26 ft |
| e | 8.50 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 29.80 ft | 10 ft | 26 ft | 8.50 ft | - | - | - | - |
Sails
Westerly 24 GK (masthead rig) - MAINSAIL
| Luff | * 26 ft - (7925 mm) |
|---|---|
| Foot | * 8.5 ft - (2591 mm) |
| Leech | * 26.89 ft - (8196 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 27.07 ft - (8251 mm) |
| Head (inches) | * 4 in - (102 mm) |
| Area | * 114.21 ft² |
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Westerly 24 GK (masthead rig) - JIBSAIL
| Luff | * 25.15 ft - (7666 mm) |
|---|---|
| Foot | * 13.35 ft - (4069 mm) |
| Leech | * 21.67 ft - (6605 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 11.5 ft - (3505 mm) |
| Deck Angle | * 11.98 ° |
| Area | * 144.6 ft² |
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Westerly 24 GK (masthead rig) - GENOA
| Luff | * 29.86 ft - (9101 mm) |
|---|---|
| Foot | * 16.24 ft - (4950 mm) |
| Leech | * 27.99 ft - (8531 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 15 ft - (4572 mm) |
| Deck Angle | * 4 ° |
| Area | * 223.93 ft² |
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Westerly 24 GK (masthead rig) - SPINNAKER
| Stays | * 29.86 ft - (9101 mm) |
|---|---|
| MidGirth | * 18 ft - (5486 mm) |
| Foot | * 18 ft - (5486 mm) |
| Perc LP | * 180 % |
| Area | * 457 ft² |
| Edit in Calculator |
Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.
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