Sea Pearl 21
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 | |
| Development | |
|---|---|
| Designer | Ron Johnson |
| Location | United States |
| Year | 1982 |
| No. built | 415 |
| Builder | Marine Concepts |
| Role | Day sailer |
| Name | Sea Pearl 21 |
| Boat | |
| Displacement | 600 lb (272 kg) |
| Draft | 2.50 ft (0.76 m) with centerboard down |
| Hull | |
| Type | monohull |
| Construction | fiberglass |
| LOA | 21.00 ft (6.40 m) |
| LWL | 19.00 ft (5.79 m) |
| Beam | 5.50 ft (1.68 m) |
| Engine type | outboard motor |
| Hull appendages | |
| Keel/board type | centerboard or leeboards |
| Ballast | 360 lb (163 kg) of water (optional) |
| Rudder | transom-mounted rudder |
| Rig | |
| Rig type | ketch |
| Sails | |
| Sailplan | cat rigged ketch |
| Total sail area | 136.00 sq ft (12.635 m2) |
The Sea Pearl 21 is a sailing dinghy[1][2][3] built by Marine Concepts, of Tarpon Springs, Florida, United States, starting 1982, with 415 boats completed, but it is now out of production.[1][3][4]
The Sea Pearl 21 is a development of, or at least inspired by, the 1929 Herreshoff Carpenter design by L. Francis Herreshoff.[1][3][5]
The Sea Pearl 21 is a recreational dinghy or a keelboat, if fitted with the optional ballast tanks holding 360 lb (163 kg) of water. The boat is built predominantly of fiberglass, with wood trim and has forward decking. It is a cat rigged ketch, with two unstayed masts. A lug sail rig was optional. The hull has a raked stem; an angled, canoe transom; a transom-hung rudder controlled by a tiller and a retractable, trunk-mounted centerboard or optionally twin leeboards. It displaces 600 lb (272 kg), has positive foam flotation making it unsinkable and can carry 360 lb (163 kg) of water ballast, if fitted with the optional tanks. The ballast is drained for road transport.[1][3]
There is also a trimaran version, with outriggers for stability, giving a 14.00 ft (4.27 m) beam and a displacement of 950 lb (431 kg) that was first built in 1993.[2]
The centerboard-equipped model has a draft of 2.50 ft (0.76 m) with the centerboard extended and 6 in (15 cm) with it retracted, allowing operation in shallow water, beaching or ground transportation on a trailer.[1][3]
The boat may be fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering.[1][3]
The design has two cockpits, an aft, self-draining one and a forward, non-self-draining one. Sleeping accommodations for two people are available in the forward cockpit, under a folding canvas cabin roof and with the removable cockpit thwart stowed.[1][3]
The design has a hull speed of 5.8 kn (10.7 km/h).[3]