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CAPE DORY 31
Built by Cape Dory Yachts (USA)
• Designed by Carl Alberg
General Information
Hull Type:
Long Keel
Rigging Type:
Cutter
Construction:
FG
First Built:
1983
Last Built:
1985
Number Built:
89
Dimensions
Length Overall (LOA):
9.55 m
Length Waterline (LWL):
7.09 m
Beam:
2.97 m
Draft (Max):
1.45 m
Weight & Ballast
Displacement:
5,216 kg
Ballast:
1,973 kg
Sail Plan
Foresail Area:
25.71 m²
Mainsail Area:
21.14 m²
Total Sail Area (calculated):
46.85 m²
Sail Area (reported):
46.82 m²
I (Fore Triangle Height):
12.50 m
J (Fore Triangle Base):
4.11 m
P (Mainsail Hoist):
10.67 m
E (Boom Length):
3.96 m
Engine & Systems
Performance Ratios
Hull Speed:
6.46 knots
SA/Displacement (Calculated):
15.58
SA/Displacement (Reported):
15.88
Ballast/Disp Ratio:
37.83%
Displacement/Length:
408.49
Comfort Ratio:
33.34
Capsize Screening:
1.73
S-Number:
1.03