The Seawanhaka sea bird is a 24.0ft fractional sloop designed by Sparkman & Stephens and built in wood or fiberglass by Penn Yan Boat Company since 1938.
30 units have been built.
The Seawanhaka sea bird is a moderate weight sailboat which is a good performer. It is very stable / stiff and has a good righting capability if capsized. It is best suited as a day-boat.
Main features
| Model | Seawanhaka sea bird | ||
| Length | 24 ft | ||
| Beam | 5.75 ft | ||
| Draft | 3.50 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 19.70 | ||
| Ballast / displ. | 44.71 % | ||
| Displ. / length | 224.87 | ||
| Comfort ratio | 14.43 | ||
| Capsize | 1.93 |
Hull
| Hull type | Monohull fin keel | ||
| Construction | Wood or fiberglass | ||
| Waterline length | 15 ft | ||
| Maximum draft | 3.50 ft | ||
| Displacement | 1700 lbs | ||
| Ballast | 760 lbs | ||
| Hull speed | 5.19 knots |
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Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 175 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 | Penn Yan Boat Company | ||
| Designer | Sparkman & Stephens | ||
| First built | 1938 | ||
| Last built | 0 | ?? | |
| Number built | 30 |
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