The Seagull 18 is a 18.5ft masthead sloop designed by Ian Proctor and built in plywood single chine by Bell Woodworking Ltd. (UK) since 1956.
400 units have been built.
The Seagull 18 is a light sailboat which is a very high performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a racing boat.
Main features
| Model | Seagull 18 | ||
| Length | 18.50 ft | ||
| Beam | 6.75 ft | ||
| Draft | 1.42 ft | ||
| Country | United Kingdom (Europe) | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 24.39 | ||
| Ballast / displ. | 20.83 % | ||
| Displ. / length | 146.11 | ||
| Comfort ratio | 11.57 | ||
| Capsize | 2.27 |
Hull
| Hull type | Monohull keel with centerboard | ||
| Construction | Plywood single chine | ||
| Waterline length | 17.25 ft | ||
| Maximum draft | 3.75 ft | ||
| Displacement | 1680 lbs | ||
| Ballast | 350 lbs | ||
| Hull speed | 5.57 knots |
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Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 215 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 0 sq.ft | ?? | |
| Sail area main | 0 sq.ft | ?? | |
| I | 0 ft | ?? | |
| J | 0 ft | ?? | |
| P | 0 ft | ?? | |
| E | 0 ft | ?? |
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 0 gals |
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | Bell Woodworking Ltd. (UK) | ||
| Designer | Ian Proctor | ||
| First built | 1956 | ||
| Last built | 0 | ?? | |
| Number built | 400 |
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