- Length
- 10.14 m
- Beam
- 3.4 m
- Draft
- 1.66 m
- Sail area
- 48.88 m²
Specifications
Dimensions & displacement7
- Length overall
- 10.14 m
- Waterline length
- 8.68 m
- Beam
- 3.4 m
- Draft
- 1.66 m
- Displacement
- 6,505 kg
- Ballast
- 2,743 kg
- Mast height above water
- 12.34 m
Sails & rig2
- Rig type
- Sloop, masthead rig
- Sail area
- 48.88 m²
Engine & propulsion4
- Engine power
- 42 hp
- Engine type
- Diesel
- Engine make
- Mercedes
- Engine model
- OM636
Hull & construction3
- Hull material
- Fibreglass
- Keel type
- Fin keel, rudder on partial skeg
- Ballast material
- Cast iron
Tanks2
- Fuel tank
- 132 L
- Fresh water tank
- 170 L
Production & design5
- Production started
- 1977
- Production ended
- 1985
- Hulls built
- 235
- Builder
- Westerly Yachts Ltd.
- Designer
- Laurent Giles
Performance ratios7
- Sail area / displacement
- 14.31
- Displacement / length
- 277.15
- Ballast / displacement
- 42.2 %
- Comfort ratio
- 29.81
- Capsize screening
- 1.84
- Hull speed
- 7.15 kn
- Load per cm of immersion
- 202.8 kg/cm
Yacht photography
Years, generations and variants
Westerly 331 generation
01
1977–1985