The Bb11 is a 20.28ft fractional sloop designed by Borge Bringsvaerd and built in wood - carvel (mahogany on oak) between 1956 and 1968.
1300 units have been built.
The Bb11 is a moderate weight sailboat which is slightly under powered. It is very stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.
Main features
| Model | Bb11 | ||
| Length | 20.28 ft | ||
| Beam | 5.84 ft | ||
| Draft | 3.22 ft | ||
| Country | ?? | ||
| Estimated price | $ 0 | ?? |
Ratios
| Sail area / displ. | 15.14 | ||
| Ballast / displ. | 42.29 % | ||
| Displ. / length | 262.92 | ||
| Comfort ratio | 13.61 | ||
| Capsize | 2.07 |
Hull
| Hull type | Monohull fin keel | ||
| Construction | Wood - carvel (mahogany on oak) | ||
| Waterline length | 13.45 ft | ||
| Maximum draft | 3.22 ft | ||
| Displacement | 1433 lbs | ||
| Ballast | 606 lbs | ||
| Hull speed | 4.91 knots |
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 120 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 0 sq.ft | ?? | |
| Sail area main | 0 sq.ft | ?? | |
| I | 0 ft | ?? | |
| J | 0 ft | ?? | |
| P | 0 ft | ?? | |
| E | 0 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 | Borge Bringsvaerd | ||
| First built | 1956 | ||
| Last built | 1968 | ||
| Number built | 1300 |