Jeanneau

Sun Fast 31

Monohull

1991–1994

Length
9.3 m
Beam
3.23 m
Draft
1.75 m
Sail area
38.55 m²

Specifications

35 specifications
Dimensions & displacement6
Length overall
9.3 m
Waterline length
7.7 m
Beam
3.23 m
Draft
1.75 m
Displacement
3,100 kg
Ballast
1,202 kg
Sails & rig9
Rig type
Sloop, fractional rig
Sail area
38.55 m²
Mainsail area
20.72 m²
Foresail area
17.87 m²
Foretriangle height (I)
11 m
Foretriangle base (J)
3.25 m
Mainsail luff (P)
11.2 m
Mainsail foot (E)
3.7 m
Forestay length
11.47 m
Engine & propulsion4
Engine power
18 hp
Engine type
Diesel
Engine make
Yanmar
Engine model
2GM20
Hull & construction3
Hull material
Fibreglass
Keel type
Fin keel, spade rudder
Ballast material
Lead, cast iron
Tanks2
Fuel tank
45 L
Fresh water tank
91 L
Production & design4
Production started
1991
Production ended
1994
Builder
Jeanneau
Designer
Daniel Andrieu
Performance ratios7
Sail area / displacement
18.5
Displacement / length
189.29
Ballast / displacement
38.8 %
Comfort ratio
16.96
Capsize screening
2.24
Hull speed
6.73 kn
Load per cm of immersion
170.9 kg/cm

Years, generations and variants

Sun Fast 311 generation

01

1991–1994

Sun Fast 31

Discontinued