Hughes 31

1979
Designer
Sparkman & Stephens
Builder
Hughes Boat Works
Associations
?
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
24 0 / 7.3 m
Beam
9 8 / 3 m
Draft
4 11 / 1.5 m
Displacement
9,100 lbs / 4,128 kg
Ballast
3,350 lbs / 1,520 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
394 ft2 / 36.6 m2
Total Sail Area
393.9 ft2 / 36.6 m2
Mainsail
Sail Area
166.6 ft2 / 15.5 m2
P
33 11 / 10.4 m
E
9 9 / 3 m
Mast Height
?
Foresail
Sail Area
227.2 ft2 / 21.1 m2
I
35 5 / 10.8 m
J
12 9 / 3.9 m
Forestay Length
37 8 / 11.5 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.56 knots
Sail Area/Displacement
14.46
under powered
Ballast/Displacement
36.81
less stiff, less powerful
Displacement/Length
293.87
heavy
Comfort Ratio
26.06
coastal cruiser
Capsize Screening
1.85
better suited for ocean passages

Notes

This yacht was originally offered in kit form, with various hardware and engine options.
A stretched and widened version of the NORTH STAR 1000 (S&S #2098).


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