1973
Designer
Clark Mills
Builder
Advance Sailboat Corp.
Associations
?
# Built
450
Hull
Monohull Dinghy
Keel
Centerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
15 5 / 4.7 m
Waterline Length
13 5 / 4.1 m
Beam
4 7 / 1.4 m
Draft
0 7 / 0.2 m 2 5 / 0.8 m
Displacement
190 lb / 86 kg
Ballast
?

Rig and Sails

Type
Cat
Reported Sail Area
90′² / 8.4 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
?
Cabins
?

Calculations

Hull Speed
4.92 knots
Sail Area/Displacement
43.57
high performance
Ballast/Displacement
?
Displacement/Length
34.48
Ultralight
Comfort Ratio
2.73
lightweight racing boat
Capsize Screening
3.19
better suited for coastal cruising

Notes

Ralph Kuppersmith was founder of Advance Sailboat Co..
It is thought that this was a WINDMILL hull with a cat rig intended for single-handers.

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