Sunspot 15

1977
Designer
Arthur C. Howard
Builder
Sun Yachts Ltd.
Associations
?
# Built
?
Hull Type
Twin Keel
Construction
FG

Dimensions

Length Overall
15 1 / 4.6 m
Waterline Length
13 5 / 4.1 m
Beam
6 2 / 1.9 m
Draft
1 11 / 0.6 m
Displacement
900 lbs / 408 kg
Ballast
400 lbs / 181 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
104 ft2 / 9.7 m2
Total Sail Area
96.4 ft2 / 9 m2
Mainsail
Sail Area
50.6 ft2 / 4.7 m2
P
15 8 / 4.8 m
E
6 5 / 2 m
Mast Height
?
Foresail
Sail Area
45.9 ft2 / 4.3 m2
I
18 11 / 5.8 m
J
4 9 / 1.5 m
Forestay Length
19 7 / 6 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
4.91 knots
Sail Area/Displacement
17.85
good performance
Ballast/Displacement
44.44
stiffer, more powerful
Displacement/Length
165.13
light
Comfort Ratio
8.67
lightweight racing boat
Capsize Screening
2.58
better suited for coastal cruising

Notes

Fin or twin keel versions.


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