Bostrom 31 mkii
11 / 51 - score 56%
The Bostrom 31 mkii is a 30.61ft masthead sloop designed by Bruno Boström/Grandinsson and built in fiberglass between 1977 and 1984.
The Bostrom 31 mkii is a light sailboat which is slightly under powered. It is very stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser.
This boat has an average score but ranks in the top quarter. It seems difficult to do much better. It is one of the best possible tradeoff for this request.
Bostrom 31 mkii for sale elsewhere on the web:
Main features 50%
| Model | Bostrom 31 mkii | ||
| Length | 30.61 ft (78%) | the closest to 31.27 ft | |
| Beam | 9.06 ft (21%) | the closest to 9.81 ft | |
| Draft | 5.91 ft | ||
| Country | ?? | ||
| Estimated price | $ 0 | ?? |
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Ratios 84%
| Sail area / displ. | 15.83 (89%) | the closest to 16 | |
| Ballast / displ. | 50.01 % | ||
| Displ. / length | 185.21 | ||
| Comfort ratio | 21.81 (80%) | the closest to 22.23 | |
| Capsize | 1.87 |
Hull 14%
| Hull type | Monohull fin keel with rudder on skeg | ||
| Construction | Fiberglass | ||
| Waterline length | 25.98 ft (14%) | the closest to 28.38 ft | |
| Maximum draft | 5.91 ft | ||
| Displacement | 7275 lbs | ||
| Ballast | 3638 lbs | ||
| Hull speed | 6.83 knots |
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Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 370 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 224.03 sq.ft | ||
| Sail area main | 146.21 sq.ft | ||
| I | 37.40 ft | ||
| J | 11.98 ft | ||
| P | 31.82 ft | ||
| E | 9.19 ft |
Engine
| Nb engines | 1 | ||
| Total power | 0 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 | ?? | ||
| Designer | Bruno Boström/Grandinsson | ||
| First built | 1977 | ||
| Last built | 1984 | ||
| Number built | 0 | ?? |
Other photos
