Seamaster Sailer 815

1976 — 1981
Designer
Kim Holman
Builder
Seamaster Ltd.
Associations
?
# Built
136
Hull Type
Fin w/transom hung rudder
Construction
FG

Dimensions

Length Overall
26 8 / 8.2 m
Waterline Length
20 11 / 6.4 m
Beam
8 11 / 2.7 m
Draft
4 5 / 1.4 m
Displacement
7,100 lbs / 3,221 kg
Ballast
2,200 lbs / 998 kg (Iron)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
275 ft2 / 25.6 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Volvo
Model
?
HP
?
Fuel Type
Diesel
Fuel Capacity
14 gal / 53 l

Accomodations

Water Capacity
20 gal / 76 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.14 knots
Sail Area/Displacement
11.91
under powered
Ballast/Displacement
30.99
less stiff, less powerful
Displacement/Length
342.26
heavy
Comfort Ratio
26.0
coastal cruiser
Capsize Screening
1.86
better suited for ocean passages

Notes

Draft for Bilge Keel version: 2.83’.


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