| Development | |
|---|---|
| Designer | Hans Geissler |
| Location | United States |
| Year | 1980 |
| Builder(s) | G-Cat Multihulls |
| Role | One-designracer |
| Name | G-Cat 5.7 |
| Boat | |
| Crew | two |
| Displacement | 360 lb (163 kg) |
| Hull | |
| Type | Catamaran |
| Construction | Fiberglass |
| LOA | 18.67 ft (5.69 m) |
| LWL | 17.50 ft (5.33 m) |
| Beam | 8.00 ft (2.44 m) |
| Hull appendages | |
| Keel/board type | none |
| Rudder(s) | transom-mountedrudder |
| Rig | |
| Rig type | Bermuda rig |
| Sails | |
| Sailplan | Fractional riggedsloop |
| Total sail area | 235 sq ft (21.8 m2) |
TheG-Cat 5.7 is an Americancatamaransailing dinghy that was designed byHans Geissler as aone-designracer and first built in 1980.[1][2]
The G-Cat 5.7 design was developed from the two-foot shorter 1976G-Cat 5.0.[1][3]
The design was built byG-Cat Multihulls inSaint Petersburg, Florida,United States, but it is now out of production. The company produced over 2,000 examples of the 5.0 and the 5.7 combined.[1][2][4]
The G-Cat 5.7 is a recreationalsailboat, built predominantly offiberglass. It has afractionalsloop rig with afully battenedmainsail, a rotating mast and all-aluminum spars. The symmetrical hulls haveraked stems, verticaltransoms and transom-hung, kick-uprudders controlled by atiller. The boat has atrampoline for the crew, with an optional second one forward of the mast that can be used as the base for a tent for overnight accommodation. The design has nocenterboards ordaggerboards, relying instead on deep V-shaped hulls with a rockered shape to preventleeway. The boat displaces 360 lb (163 kg).[1][2]
For sailing the design is equipped with aouthaul,downhaul and amainsheet traveler that is mounted on the aft crossbeam.[2]
The design is normally raced with a crew of twosailors.[2]
In a 1994 review Richard Sherwood wrote that the "G-Cat is an unusual catamaran with symmetrical hulls and without daggerboards. Also unusual is the trampoline forward of the mast, upon which an optional tent may be pitched for cruising, (To avoid pitch-poling, remove the forward trampoline in heavy weather.) The hulls are a deep vee section to resist leeway. The boat has substantial rocker that puts lateral resistance well below the center of effort, making the boat pivot easily about the middle."[2]
Related development