- Length
- 9.45 m
- Beam
- 2.9 m
- Draft
- 1.37 m
- Sail area
- 34.47 m²
Specifications
Dimensions & displacement6
- Length overall
- 9.45 m
- Waterline length
- 7.62 m
- Beam
- 2.9 m
- Draft
- 1.37 m
- Displacement
- 4,264 kg
- Ballast
- 1,905 kg
Sails & rig9
- Rig type
- Sloop, masthead rig
- Sail area
- 34.47 m²
- Mainsail area
- 14.75 m²
- Foresail area
- 19.72 m²
- Foretriangle height (I)
- 11.58 m
- Foretriangle base (J)
- 3.4 m
- Mainsail luff (P)
- 9.68 m
- Mainsail foot (E)
- 3.05 m
- Forestay length
- 12.07 m
Engine & propulsion4
- Engine power
- 25 hp
- Engine type
- Diesel
- Engine make
- Volvo Penta
- Engine model
- MD2B
Hull & construction2
- Hull material
- Fibreglass, balsa-cored sandwich
- Keel type
- Fin keel, skeg-hung rudder
Tanks2
- Fuel tank
- 76 L
- Fresh water tank
- 114 L
Production & design5
- Production started
- 1972
- Production ended
- 1980
- Hulls built
- 265
- Builder
- Westerly Marine Ltd.
- Designer
- Laurent Giles
Performance ratios7
- Sail area / displacement
- 13.37
- Displacement / length
- 268.57
- Ballast / displacement
- 44.7 %
- Comfort ratio
- 27.02
- Capsize screening
- 1.8
- Hull speed
- 6.7 kn
- Load per cm of immersion
- 151.5 kg/cm
Yacht photography
Years, generations and variants
Longbow 311 generation
01
1972–1980