 | This article relies on a single source. (September 2025) |
| Development | |
|---|---|
| Designer | John Marples |
| Year | 1980s |
| Boat | |
| Crew | 1 |
| Draft | 11 in (0.28 m) (hull only) 2 ft 6 in (0.76 m) |
| Hull | |
| Type | trimaran |
| Hull weight | 150 lb (68 kg) |
| LOA | 10 ft (3.0 m) |
| LWL | 10 ft (3.0 m) |
| Beam | 8 ft (2.4 m) (overall) 2 ft 2 in (0.66 m) (main hull) |
| Rig | |
| Rig type | cat rig |
| Mast height | 17 ft 11 in (5.46 m) (mast only) 20 ft (6.1 m) (bridge clearance) |
| Sails | |
| Mainsail area | 60 sq ft (5.6 m2) |
Total sail area | 130 sq ft (12 m2) |
Constant Camber 3M is a 10 ft (3.0 m) cat-rigged solo harbor racer/trainer trimaran sailboat designed in the 1980s by John Marples.
