CAPE DORY 31

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long Keel
Rigging Type: Cutter
LOA: 31.33 ft / 9.55 m
LWL: 23.25 ft / 7.09 m
S.A. (reported): 504.00 ft² / 46.82 m²
Beam: 9.75 ft / 2.97 m
Displacement: 11,500.00 lb / 5,216 kg
Ballast: 4,350.00 lb / 1,973 kg
Max Draft: 4.75 ft / 1.45 m
Construction: FG
First Built: 1983
Last Built: 1985
# Built: 89
Builder: Cape Dory Yachts (USA)
Designer: Carl Alberg

Sailboat Calculations

Definitions
S.A. / Displ.: 15.88
Bal. / Displ.: 37.83
Disp: / Len: 408.49
Comfort Ratio: 33.34
Capsize Screening Formula: 1.73
S#: 1.03
Hull Speed: 6.46 kn
Pounds/Inch Immersion: 809.98 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 41.00 ft / 12.50 m
J: 13.50 ft / 4.11 m
P: 35.00 ft / 10.67 m
E: 13.00 ft / 3.96 m
S.A. Fore: 276.75 ft² / 25.71 m²
S.A. Main: 227.50 ft² / 21.14 m²
S.A. Total (100% Fore + Main Triangles): 504.25 ft² / 46.85 m²
S.A./Displ. (calc.): 15.89
Est. Forestay Length: 43.17 ft / 13.16 m

Sailboat Links

Designers: Carl Alberg
Builders: Cape Dory Yachts
Associations: Cape Dory Sailboat Owners Association
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