Fifty 40

1979 — 1986
Designer
Joubert-Nivelt
Builder
Kirie
Associations
?
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
40 8 / 12.4 m
Waterline Length
34 1 / 10.4 m
Beam
12 9 / 3.9 m
Draft
5 4 / 1.7 m
Displacement
19,840 lbs / 9,000 kg
Ballast
6,170 lbs / 2,800 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
780 ft2 / 72.5 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Perkins
Model
?
HP
82
Fuel Type
Diesel
Fuel Capacity
103 gal / 390 l

Accomodations

Water Capacity
132 gal / 500 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
7.83 knots
Sail Area/Displacement
17.03
good performance
Ballast/Displacement
31.11
less stiff, less powerful
Displacement/Length
222.99
moderate
Comfort Ratio
28.27
coastal cruiser
Capsize Screening
1.89
better suited for ocean passages

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