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CAL T/4
Built by Jensen Marine (USA)
• Designed by C. William Lapworth
General Information
Hull Type:
Fin w/transom hung rudder
Rigging Type:
Masthead Sloop
Construction:
FG
First Built:
1971
Last Built:
1972
Number Built:
238
Dimensions
Length Overall (LOA):
7.37 m
Length Waterline (LWL):
6.40 m
Beam:
2.44 m
Draft (Max):
1.22 m
Weight & Ballast
Displacement:
1,814 kg
Ballast:
907 kg
Sail Plan
Foresail Area:
13.94 m²
Mainsail Area:
9.87 m²
Total Sail Area (calculated):
23.81 m²
Sail Area (reported):
23.78 m²
I (Fore Triangle Height):
9.14 m
J (Fore Triangle Base):
3.05 m
P (Mainsail Hoist):
7.19 m
E (Boom Length):
2.74 m
Engine & Systems
Performance Ratios
Hull Speed:
6.14 knots
SA/Displacement (Calculated):
16.00
SA/Displacement (Reported):
16.30
Ballast/Disp Ratio:
50.00%
Displacement/Length:
192.82
Comfort Ratio:
17.64
Capsize Screening:
2.02
S-Number:
2.71
Notes
Designed as IOR 1/4 ton.