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CAL 39
Built by Jensen Marine (USA)
• Designed by C. William Lapworth
General Information
Hull Type:
Fin with rudder on skeg
Rigging Type:
Masthead Sloop
Construction:
FG (solid laminate)
First Built:
1970
Last Built:
1971
Number Built:
29
Dimensions
Length Overall (LOA):
11.79 m
Length Waterline (LWL):
9.53 m
Beam:
3.56 m
Draft (Max):
1.83 m
Weight & Ballast
Displacement:
6,622 kg
Ballast:
2,994 kg
Ballast Type:
Lead
Sail Plan
Foresail Area:
39.48 m²
Mainsail Area:
29.09 m²
Total Sail Area (calculated):
68.57 m²
Sail Area (reported):
68.56 m²
I (Fore Triangle Height):
15.24 m
J (Fore Triangle Base):
5.18 m
P (Mainsail Hoist):
12.73 m
E (Boom Length):
4.57 m
Engine & Systems
Engine Make:
Perkins
Engine Type:
Diesel
Engine Model:
4108
Fuel Capacity:
132 L
Water Capacity:
242 L
Performance Ratios
Hull Speed:
7.49 knots
SA/Displacement (Calculated):
19.45
SA/Displacement (Reported):
19.84
Ballast/Disp Ratio:
45.21%
Displacement/Length:
213.58
Comfort Ratio:
25.56
Capsize Screening:
1.91
S-Number:
2.85
Notes
This, the first of several CAL 39's, was introduced just before the adoption of the IOR, (replacing the CCA rule) which may have caused sales to falter in the first year. It was soon replaced with another version, the CAL 39 MII (1979), an entirely new design, also by Lapworth, and one that, presumably, the rule treated more kindly.