Beneteau 311

1998
Designer
Jean Marie Finot (Groupe Finot)
Builder
Beneteau
Associations
?
# Built
?
Hull Type
Fin w/bulb & spade rudder
Construction
FG

Dimensions

Length Overall
32 3 / 9.8 m
Waterline Length
28 8 / 8.7 m
Beam
10 5 / 3.2 m
Draft
4 7 / 1.4 m
Displacement
7,720 lbs / 3,500 kg
Ballast
2,430 lbs / 1,100 kg (Cast Iron)
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
538.9 ft2 / 50.1 m2
Total Sail Area
470.4 ft2 / 43.7 m2
Mainsail
Sail Area
241.4 ft2 / 22.4 m2
P
36 7 / 11.2 m
E
13 2 / 4 m
Mast Height
46 7 / 14.2 m
Foresail
Sail Area
228.9 ft2 / 21.3 m2
I
40 4 / 12.3 m
J
11 4 / 3.5 m
Forestay Length
41 11 / 12.8 m

Auxilary Power

Make
Yanmar
Model
?
HP
18
Fuel Type
Diesel
Fuel Capacity
18 gal / 68 l

Accomodations

Water Capacity
52 gal / 197 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
7.17 knots
Sail Area/Displacement
22.09
high performance
Ballast/Displacement
31.43
less stiff, less powerful
Displacement/Length
146.17
light
Comfort Ratio
17.37
lightweight racing boat
Capsize Screening
2.13
better suited for coastal cruising

Notes

Keel-CB vers. draft BU:2.58ft/0.8m, BD:7.08ft/2.15m
Ballast with CB: 3,085 lbs/1,400 kg
Rig dimensions with roller furling mast:
P = 36.29ft/11.06m
Sail area with roller furling mast = 481 sq ft/44.7m
Same as Oceanis 311.
Thanks to Sufian Hamad for corrections and additional specs.


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