G-Cat 5.0
| Development | |
|---|---|
| Designer | Hans Geissler | 
| Location | United States | 
| Year | 1975 | 
| Builder(s) | G-Cat Multihulls | 
| Role | One-design racer | 
| Name | G-Cat 5.0 | 
| Boat | |
| Crew | two | 
| Displacement | 340 lb (154 kg) | 
| Draft | 1.08 ft (0.33 m) | 
| Hull | |
| Type | Catamaran | 
| Construction | Fiberglass | 
| LOA | 16.67 ft (5.08 m) | 
| LWL | 15.50 ft (4.72 m) | 
| Beam | 8.00 ft (2.44 m) | 
| Hull appendages | |
| Keel/board type | none | 
| Rudder(s) | transom-mounted rudder | 
| Rig | |
| Rig type | Bermuda rig | 
| Sails | |
| Sailplan | Fractional rigged sloop | 
| Mainsail area | 150 sq ft (14 m2) | 
| Jib/genoa area | 60 sq ft (5.6 m2) | 
| Total sail area | 210 sq ft (20 m2) | 
| Racing | |
| D-PN | 76.0 | 
| 
 | |
The G-Cat 5.0 is an American catamaran sailing dinghy that was designed by Hans Geissler as a one-design racer and first built in 1975.
The G-Cat 5.0 design was developed into the slightly longer G-Cat 5.7 in 1980.