Sea Pearl 21

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Sea Pearl 21
Dan in his Sea Pearl 21.jpg
Development
Designer Ron Johnson
Location United States
Year1982
No. built415
Builder(s) Marine Concepts
Role Day sailer
NameSea 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 typecenterboard or leeboards
Ballast360 lb (163 kg) of water (optional)
Rudder(s)transom-mounted rudder
Rig
Rig type ketch
Sails
Sailplan cat rigged ketch
Total sail area136.00 sq ft (12.635 m2)
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The Sea Pearl 21 is an American trailerable sailboat or sailing dinghy, that was designed by Ron Johnson as a daysailer and first built in 1982. [1] [2] [3]

Contents

The Sea Pearl 21 is a development of, or at least inspired by, the 1929 Herreshoff Carpenter design by L. Francis Herreshoff. [1] [3] [4]

Production

The design was 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] [5]

Design

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]

Operational history

In a 2010 review Steve Henkel wrote, "this little decked-over double-ended cat ketch is said to have its design origins in L. Francis Herreshoff's 'Carpenter,' designed in 1929 ... —though we see only a minor resemblance. The Sea Pearl comes with a tonneau cover for the forward cockpit, which is non-self-bailing, but also can be rigged with an optional 'canvas cabin.' A small steering cockpit aft of the mizzen is self-bailing. The base boat has a centerboard, but optional leeboards are available, as are twin lug rigs and water ballast tanks carrying 360 pounds ... Best features: Foam flotation makes her unsinkable. Split rig (main and mizzen) permit playing with trim, such as flying the sails wing and wing downwind. Being considerably lighter than her comp[etitor]s, she is easier to rig, launch, and retrieve on a ramp. Worst features: Narrow and dory-like, the hull has little initial stability—big crew may be necessary in heavy air to keep her on her feet. Boom vangs, an option, should have been made standard, as they are essential to enjoyable sailing. Though it would be fairly simple, no provision has been made for a third mast position where either the main or the mizzen could be stepped, giving her additional versatility." [3]

In a 2015 review in Boats.com noted, "the Sea Pearl is a double ender along the lines of an old whaleboat. The boat is half-decked with two cockpits and 2 mast Marconi rig. Reefing is simple by just rotating the masts. A handy convertible tent that looks somewhat like a pram hood can cover the forward cockpit area, or can be rolled up when not needed." [6]

See also

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References

  1. 1 2 3 4 5 6 7 McArthur, Bruce (2021). "Sea Pearl 21 sailboat". sailboatdata.com. Archived from the original on 23 December 2021. Retrieved 24 December 2021.
  2. 1 2 McArthur, Bruce (2021). "Sea Pearl 21 Tri sailboat". sailboatdata.com. Archived from the original on 23 December 2021. Retrieved 24 December 2021.
  3. 1 2 3 4 5 6 7 8 9 Henkel, Steve: The Sailor's Book of Small Cruising Sailboats, page 136. International Marine/McGraw-Hill, 2010. ISBN   978-0-07-163652-0
  4. ↑ McArthur, Bruce (2021). "L. Francis Herreshoff". sailboatdata.com. Archived from the original on 6 October 2020. Retrieved 24 December 2021.
  5. ↑ McArthur, Bruce (2021). "Marine Concepts (USA)". sailboatdata.com. Archived from the original on 19 November 2021. Retrieved 24 December 2021.
  6. ↑ Staff (13 February 2015). "7 Ultimate Camping Cruisers: Back to Basics Boating". boats.com. Archived from the original on 24 December 2021. Retrieved 24 December 2021.
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