Seaforth 36

1980
Designer
C. S. J. Roy
Builder
Trident Marine Ltd.
Associations
?
# Built
?
Hull Type
Twin Keel
Construction
FG

Dimensions

Length Overall
35 11 / 11 m
Waterline Length
29 0 / 8.8 m
Beam
11 1 / 3.4 m
Draft
3 8 / 1.1 m
Displacement
13,440 lbs / 6,096 kg
Ballast
4,480 lbs / 2,032 kg
drawing

Rig and Sails

Type
Masthead Ketch
Reported Sail Area
425 ft2 / 39.5 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
7.22 knots
Sail Area/Displacement
12.03
under powered
Ballast/Displacement
33.33
less stiff, less powerful
Displacement/Length
246.01
moderate
Comfort Ratio
26.68
coastal cruiser
Capsize Screening
1.88
better suited for ocean passages

Notes

Fin keel version draft: 4.83’


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