Impulse Dinghy

1975
Designer
Arthur Caldwell
Builder
Formula Sailcraft
Association
Impulse Dinghy Website
# Built
?
Hull Type
Centerboard Dinghy
Construction
Wood/FG

Dimensions

Length Overall
13 1 / 4 m
Waterline Length
?
Beam
4 11 / 1.5 m
Draft
0 3 / 0.1 m 2 0 / 0.6 m
Displacement
100 lbs / 47 kg
Ballast
?

Rig and Sails

Type
Cat (Marconi)
Reported Sail Area
83 ft2 / 7.7 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
?
Sail Area/Displacement
60.05
high performance
Ballast/Displacement
?
Displacement/Length
?
Comfort Ratio
?
Capsize Screening
4.2
better suited for coastal cruising

Notes

Australian single hander. Originally designed for the home builder. Finished versions also available in Wood or FG.


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