The Harstad 31 is a 31.58ft masthead ketch designed by W.I.B. Crealock and built in fiberglass between 1975 and 1976.
6 units have been built.
The Harstad 31 is a light sailboat which is under powered. It is not stiff and has an excellent righting capability if capsized. It is best suited as a coastal cruiser. The fuel capacity is originally small. There is a short water supply range.
Main features
| Model | Harstad 31 | ||
| Length | 31.58 ft | ||
| Beam | 8 ft | ||
| Draft | 3.50 ft | ||
| Country | ?? | ||
| Estimated price | $ 0 | ?? |
Ratios
| Sail area / displ. | 13.28 | ||
| Ballast / displ. | 24.38 % | ||
| Displ. / length | 195.65 | ||
| Comfort ratio | 27.76 | ||
| Capsize | 1.60 |
Hull
| Hull type | Monohull long keel with transom hung rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 26.33 ft | ||
| Maximum draft | 3.50 ft | ||
| Displacement | 8000 lbs | ||
| Ballast | 1950 lbs | ||
| Hull speed | 6.88 knots |
Rigging
| Rigging | Masthead Ketch | ||
| Sail area (100%) | 331 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 175.50 sq.ft | ||
| Sail area main | 121 sq.ft | ||
| I | 27 ft | ||
| J | 13 ft | ||
| P | 22 ft | ||
| E | 11 ft |
Engine
| Nb engines | 1 | ||
| Total power | 20 HP | ||
| Fuel capacity | 25 gals |
Accommodations
| Water capacity | 46 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | ?? | ||
| Designer | W.I.B. Crealock | ||
| First built | 1975 | ||
| Last built | 1976 | ||
| Number built | 6 |