- Length
- 9.4 m
- Beam
- 3.2 m
- Draft
- 1.73 m
- Sail area
- 36.7 m²
Specifications
Dimensions & displacement6
- Length overall
- 9.4 m
- Waterline length
- 7.01 m
- Beam
- 3.2 m
- Draft
- 1.73 m
- Displacement
- 4,354 kg
- Ballast
- 1,676 kg
Sails & rig9
- Rig type
- Sloop, masthead rig
- Sail area
- 36.7 m²
- Mainsail area
- 15.78 m²
- Foresail area
- 20.91 m²
- Foretriangle height (I)
- 11.46 m
- Foretriangle base (J)
- 3.65 m
- Mainsail luff (P)
- 10.15 m
- Mainsail foot (E)
- 3.11 m
- Forestay length
- 12.03 m
Engine & propulsion3
- Engine type
- Diesel
- Engine make
- Volvo
- Engine model
- MD7A / MD2B
Hull & construction2
- Hull material
- Fibreglass
- Keel type
- Fin keel, skeg-hung rudder
Tanks2
- Fuel tank
- 49 L
- Fresh water tank
- 76 L
Production & design4
- Production started
- 1973
- Hulls built
- 900
- Builder
- Dufour
- Designer
- Michel Dufour
Performance ratios7
- Sail area / displacement
- 14.04
- Displacement / length
- 352.24
- Ballast / displacement
- 38.5 %
- Comfort ratio
- 25.54
- Capsize screening
- 1.98
- Hull speed
- 6.43 kn
- Load per cm of immersion
- 154.1 kg/cm
Yacht photography
Years, generations and variants
Dufour 311 generation
01
1973 — status pending