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CAL 20
Built by Jensen Marine (USA)
• Designed by C. William Lapworth
General Information
Hull Type:
Fin w/transom hung rudder
Rigging Type:
Fractional Sloop
Construction:
FG
First Built:
1961
Last Built:
1975
Number Built:
1945
Dimensions
Length Overall (LOA):
6.10 m
Length Waterline (LWL):
5.49 m
Beam:
2.13 m
Draft (Max):
1.01 m
Weight & Ballast
Displacement:
885 kg
Ballast:
408 kg
Sail Plan
Foresail Area:
7.46 m²
Mainsail Area:
10.68 m²
Total Sail Area (calculated):
18.14 m²
Sail Area (reported):
18.12 m²
I (Fore Triangle Height):
6.71 m
J (Fore Triangle Base):
2.23 m
P (Mainsail Hoist):
7.01 m
E (Boom Length):
3.05 m
Engine & Systems
Performance Ratios
Hull Speed:
5.69 knots
SA/Displacement (Calculated):
19.68
SA/Displacement (Reported):
20.03
Ballast/Disp Ratio:
46.15%
Displacement/Length:
149.27
Comfort Ratio:
12.12
Capsize Screening:
2.24
S-Number:
3.81