The Sea pearl 21 is a 21.0ft cat ketch (unstayed) designed by L. F. Herreshoff/Ron Johnson and built in fiberglass by Marine Concepts (USA) since 1982.
415 units have been built.
The Sea pearl 21 is an ultralight sailboat which is a very high performer. It is not stiff and has a low righting capability if capsized. It is best suited as a racing boat.
Main features
| Model | Sea pearl 21 | ||
| Length | 21 ft | ||
| Beam | 5.50 ft | ||
| Draft | 0.50 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 30.63 | ||
| Ballast / displ. | 0 % | ||
| Displ. / length | 39.05 | ||
| Comfort ratio | 4.88 | ||
| Capsize | 2.61 |
Hull
| Hull type | Monohull centerboard | ||
| Construction | Fiberglass | ||
| Waterline length | 19 ft | ||
| Maximum draft | 2.50 ft | ||
| Displacement | 600 lbs | ||
| Ballast | 0 lbs | ||
| Hull speed | 5.84 knots |
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Rigging
| Rigging | Cat Ketch (unstayed) | ||
| Sail area (100%) | 136 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 | Marine Concepts (USA) | ||
| Designer | L. F. Herreshoff/Ron Johnson | ||
| First built | 1982 | ||
| Last built | 0 | ?? | |
| Number built | 415 |
Other photos
Sea pearl 21 for sale elsewhere on the web:
