Cal 40
| Development | |
|---|---|
| Designer | Bill Lapworth |
| Location | United States |
| Year | 1963 |
| No. built | 108 |
| Builder(s) | Jensen Marine |
| Role | Offshore racer |
| Name | Cal 40 |
| Boat | |
| Displacement | 15,000 lb (6,804 kg) |
| Draft | 5.58 ft (1.70 m) |
| Hull | |
| Type | monohull |
| Construction | fiberglass |
| LOA | 39.33 ft (11.99 m) |
| LWL | 30.33 ft (9.24 m) |
| Beam | 11.00 ft (3.35 m) |
| Engine type | Perkins Engines 4108 50 hp (37 kW) diesel engine |
| Hull appendages | |
| Keel/board type | fin keel |
| Ballast | 6,000 lb (2,722 kg) |
| Rudder(s) | internally-mounted spade-type rudder |
| Rig | |
| Rig type | Bermuda rig |
| I foretriangle height | 46.00 ft (14.02 m) |
| J foretriangle base | 15.20 ft (4.63 m) |
| P mainsail luff | 40.00 ft (12.19 m) |
| E mainsail foot | 17.50 ft (5.33 m) |
| Sails | |
| Sailplan | masthead sloop |
| Mainsail area | 350.00 sq ft (32.516 m2) |
| Jib/genoa area | 249.60 sq ft (23.189 m2) |
| Total sail area | 699.60 sq ft (64.995 m2) |
The Cal 40 is an American sailboat that was designed by Bill Lapworth as an offshore racer and first built in 1963.
The boat became an acclaimed racer and was also a commercial success. Sailboatdata terms it, "one of the most influential designs and successful racing boats ever".