Swampscott One-Design Dory

1915
Designer
George L. Chaisson
Builder
Chaisson Boat Builders
Associations
?
# Built
?
Hull Type
Fin w/spade rudder
Construction
Wood

Dimensions

Length Overall
20 11 / 6.4 m
Waterline Length
14 11 / 4.6 m
Beam
6 0 / 1.8 m
Draft
2 11 / 0.9 m
Displacement
1,100 lbs / 499 kg
Ballast
300 lbs / 136 kg (Lead)
drawing

Rig and Sails

Type
Gaffhead Sloop
Reported Sail Area
216 ft2 / 20.1 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
5.19 knots
Sail Area/Displacement
32.43
high performance
Ballast/Displacement
27.27
less stiff, less powerful
Displacement/Length
145.5
light
Comfort Ratio
9.24
lightweight racing boat
Capsize Screening
2.32
better suited for coastal cruising

Notes

Commissioned by the Detriot Yacht Club in 1915, for racing within the recently formed Interlake Yachting Association. The first 5 were built by the designer at Swampscott, Mass. Price without sails: $205 FOB.


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