Rival 31

1969
Designer
Peter Brett
Builder
Marine Construction Ltd.
Association
Rival Owners Association
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
24 6 / 7.5 m
Beam
9 8 / 3 m
Draft
4 7 / 1.4 m
Displacement
11,200 lbs / 5,080 kg
Ballast
4,480 lbs / 2,032 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
?
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Watermota
Model
Sea Wolf
HP
?
Fuel Type
Gas
Fuel Capacity
?

Accomodations

Water Capacity
30 gal / 114 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.63 knots
Sail Area/Displacement
?
Ballast/Displacement
40.0
stiffer, more powerful
Displacement/Length
339.99
heavy
Comfort Ratio
31.65
moderate bluewater cruising boat
Capsize Screening
1.73
better suited for ocean passages

Notes

Molded by Marine Construction Ltd., finished by Southern Boatbuilding. Vovo Penta MD2 diesel available as an option.


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