The Sigma 400 is a 40.27ft masthead sloop designed by Rob Humphreys and built in fiberglass by Marine Projects since 1990.
The Sigma 400 is a moderate weight sailboat which is a good performer. It is stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser.
Main features
| Model | Sigma 400 | ||
| Length | 40.27 ft | ||
| Beam | 12.76 ft | ||
| Draft | 7.50 ft | ||
| Country | United Kingdom (Europe) | ||
| Estimated price | $ 0 | ?? |
Ratios
| Sail area / displ. | 18.79 | ||
| Ballast / displ. | 37.13 % | ||
| Displ. / length | 229.09 | ||
| Comfort ratio | 27.92 | ||
| Capsize | 1.92 |
Hull
| Hull type | Monohull fin keel with spade rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 33.33 ft | ||
| Maximum draft | 7.50 ft | ||
| Displacement | 19000 lbs | ||
| Ballast | 7055 lbs | ||
| Hull speed | 7.74 knots |
Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 833 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 348.22 sq.ft | ||
| Sail area main | 484.70 sq.ft | ||
| I | 49.01 ft | ||
| J | 14.21 ft | ||
| P | 51.84 ft | ||
| E | 18.70 ft |
Engine
| Nb engines | 1 | ||
| Total power | 34 HP | ||
| Fuel capacity | 0 gals |
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | Marine Projects | ||
| Designer | Rob Humphreys | ||
| First built | 1990 | ||
| Last built | 0 | ?? | |
| Number built | 0 | ?? |