Gloucester 20

1981
Designers
Harry R. Sindle
Stuart Windley
Builder
Lockley Newport Boats
Associations
?
# Built
165
Hull Type
Swing Keel
Construction
FG

Dimensions

Length Overall
19 3 / 5.9 m
Waterline Length
16 6 / 5 m
Beam
7 6 / 2.3 m
Draft
0 11 / 0.3 m 4 5 / 1.4 m
Displacement
1,600 lbs / 726 kg
Ballast
550 lbs / 249 kg
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
176 ft2 / 16.4 m2
Total Sail Area
174.1 ft2 / 16.2 m2
Mainsail
Sail Area
90 ft2 / 8.4 m2
P
22 6 / 6.9 m
E
8 0 / 2.4 m
Mast Height
?
Foresail
Sail Area
84 ft2 / 7.8 m2
I
20 11 / 6.4 m
J
8 0 / 2.4 m
Forestay Length
22 5 / 6.9 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.44 knots
Sail Area/Displacement
20.59
high performance
Ballast/Displacement
34.38
less stiff, less powerful
Displacement/Length
159.01
light
Comfort Ratio
9.68
lightweight racing boat
Capsize Screening
2.56
better suited for coastal cruising

Notes

A fin keel version was also available, draft:2.25’.


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