Engineering:Antrim 20
Development | |
---|---|
Designer | Jim Antrim |
Location | United States |
Year | 1982 |
Builder(s) | Antrim Marine |
Role | Cruiser |
Boat | |
Boat weight | 1,850 lb (839 kg) |
Draft | 4.00 ft (1.22 m) |
Hull | |
Type | monohull |
Construction | fiberglass |
LOA | 20.42 ft (6.22 m) |
LWL | 17.50 ft (5.33 m) |
Beam | 8.00 ft (2.44 m) |
Engine type | outboard motor |
Hull appendages | |
Keel/board type | fin keel |
Ballast | 750 lb (340 kg) |
Rudder(s) | transom-mounted rudder |
Rig | |
Rig type | Bermuda rig |
I (foretriangle height) | 24.00 ft (7.32 m) |
J (foretriangle base) | 7.75 ft (2.36 m) |
P (mainsail luff) | 26.50 ft (8.08 m) |
E (mainsail foot) | 10.00 ft (3.05 m) |
Sails | |
Sailplan | fractional rigged sloop |
Mainsail area | 132.50 sq ft (12.310 m2) |
Jib/genoa area | 93.00 sq ft (8.640 m2) |
Total sail area | 225.50 sq ft (20.950 m2) |
The Antrim 20 is an American trailerable sailboat that was designed by Jim Antrim as a cruiser and first built in 1982.[1][2][3]
Production
The design was built by Antrim Marine in the United States , starting in 1982, but it is now out of production. Henkel reports that it was not in production long and only a small number were built, while McArthur reports, "if any were ever built is unknown".[1][3]
Design
The designer's goals for this boat were to create, "the smallest boat with a workable interior, attractive appearance and eight-foot trailerable beam, and to provide the performance and feeling of spaciousness one might expect in a larger boat."[3]
The Antrim 20 is a recreational keelboat, built predominantly of fiberglass. It has a fractional sloop rig, a raked stem, a plumb transom, a transom-hung rudder controlled by a tiller and a fixed fin keel. It displaces 1,850 lb (839 kg) and carries 750 lb (340 kg) of ballast.[1][3]
The boat has a draft of 4.00 ft (1.22 m) with the standard keel and is normally fitted with a small 2 to 5 hp (1 to 4 kW) outboard motor for docking and maneuvering.[1][3]
The design has sleeping accommodation for four people, with a double "V"-berth in the bow cabin and two quarter berths in the main cabin, under the cockpit. The galley is located just aft of the bow cabin. The galley gas a pull-out stove located in a drawer on the port side and a sink on the starboard side. A portable icebox fits under the companionway steps. The head is a portable type, located under the bow cabin "V"-berth. Cabin headroom is 52 in (130 cm).[1][3][4]
The design has a hull speed of 5.6 kn (10.4 km/h).[3]
Operational history
In a 2010 review Steve Henkel wrote that the boat is, "probably the best sailer in light and medium air in her [size], combining a deep fin, big sail area and SA/D ratio, and broad waterplane aft ... The same factors that make her a good sailer, particularly in light air, also work against her to some extent in heavy air. She needs a big crew to keep her on her feet in a blow, or if short-handed, she needs to be reefed early. Being deep draft, she is relatively difficult to trailer and launch. Still, overall, we like this design a lot, and are sorry that she was produced for such a short time."[3]
In a July 1981 review in Cruising World, the design was described as setting future trends. "With its short overhangs, shallow hull and beam carried well aft, the Antrim 20 resembles a large dinghy with a keel. The enormous rig, reinforces this impression. Sailing performance should be nothing short of exciting ... This is a handsome, exciting little cruiser which should be relatively inexpensive to buy and maintain. This may be the shape of things to come."[4]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 McArthur, Bruce (2020). "Antrim 20 sailboat". sailboatdata.com. https://sailboatdata.com/sailboat/antrim-20.
- ↑ McArthur, Bruce (2020). "Jim Antrim". sailboatdata.com. https://sailboatdata.com/designer/antrim-jim.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Henkel, Steve: The Sailor's Book of Small Cruising Sailboats, page 80. International Marine/McGraw-Hill, 2010. ISBN:978-0-07-163652-0
- ↑ 4.0 4.1 "Designs - Antrim 20". Cruising World. July 1981. https://books.google.com/books?id=D6-vOYPKOvcC&q=antrim&pg=PA162.
![]() | Original source: https://en.wikipedia.org/wiki/Antrim 20.
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