Development | |
---|---|
Designer | Ian Farrier |
Location | United States |
Year | 1991 |
Builder(s) | Corsair Marine |
Name | F-31 Sport Cruiser |
Boat | |
Displacement | 3,630 lb (1,647 kg) |
Draft | 5.50 ft (1.68 m) with daggerboard down |
Hull | |
Type | Trimaran |
Construction | Fiberglass |
LOA | 30.83 ft (9.40 m) |
LWL | 30.00 ft (9.14 m) |
Beam | 22.42 ft (6.83 m) |
Engine type | Outboard motor |
Hull appendages | |
Keel/board type | daggerboard |
Rudder(s) | internally-mounted spade-type rudder |
Rig | |
Rig type | Bermuda rig |
Sails | |
Sailplan | Fractional rigged sloop |
Total sail area | 599 sq ft (55.6 m2) |
The F-31 Sport Cruiser is a family of American trailerable trimaran sailboats that was designed by New Zealander Ian Farrier and first built in 1991. [1] [2]
The F-31 is the production development of the Farrier F-9, which were built by custom shops in small numbers and by amateur builders from plans. [1] [3] The first F-9 prototype was launched on 29 September 1991. [4] [5] [6]
The boats were built by Corsair Marine in the United States, starting in 1991, but are now out of production. [1] [7]
The F-31 is a small recreational trimaran, built predominantly of fiberglass. The hull is constructed with a rigid PVC foam core, vacuum bagged moulded to the skins, while the structural beams are reinforced with carbon fiber. [1] [6]
It has a fractional sloop rig, a plumb stem, a reverse transom, an internally-mounted spade-type rudder controlled by a tiller and a retractable daggerboard, mounted at 18°, with the daggerboard trunk stepping the mast. The outrigger floats are folding for storage or ground transportation on a trailer, with a maximum width of under eight feet for highway transport. The outrigger floats fold into cutouts in the lower hull to reduce trailering width. When deployed the outriggers are set at a fixed 8° to the hull, so that they are upright and thus symmetrical, when each is in the water. Due to the employment of a daggerboard, the design can easily be beached. [1] [6]
The boat is normally fitted with a small outboard motor of typically 9.9 to 15 hp (7 to 11 kW) for docking and maneuvering. [1] [6]
In 1992 the F-31 was named the Australian Sailboat of the Year. [4] In April 1992 Fred Gan's F-31 Ostac Triumph won the bi-annual Australian Offshore Multihull Championships. In the associated Brisbane to Gladstone Ocean Race, Bobsled, a 67-foot, million dollar, racing monohull boat, sponsored by Société Générale, [8] made headlines in breaking the monohull record by an impressive hour and a half. The trailerable F-31 caught and passed Bobsled, finishing an hour and fifteen minutes ahead. [4]
In a 2000 review, writer Bob Perry of Sailing Magazine wrote of the F-31, "In looking at the accommodations, it would be better not to compare this design to a monohull with a similar LOA but, instead, to compare displacements. There is no question that the 31-foot Farrier tri has less interior volume than a standard 31-foot monohull, but you cannot trail[er] most 31-foot monohulls. The F-31 has comfortable accommodations for two couples, and boat speed that will blow the doors off a 31-foot monohull...Ian designs handsome boats. The F-31 is no exception... Just be aware that this 31-footer is capable of sailing with some big monohulls." [6]
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