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CAL 27

Built by Jensen Marine (USA) • Designed by William Lapworth
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CAL 27 - Photo
CAL 27 - Drawing

General Information

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
Construction: FG
First Built: 1971
Last Built: 1974
Number Built: 306

Dimensions

Length Overall (LOA): 8.33 m
Length Waterline (LWL): 6.81 m
Beam: 2.74 m
Draft (Max): 1.37 m

Weight & Ballast

Displacement: 2,449 kg
Ballast: 1,236 kg

Sail Plan

Foresail Area: 19.23 m²
Mainsail Area: 13.21 m²
Total Sail Area (calculated): 32.44 m²
Sail Area (reported): 32.52 m²
I (Fore Triangle Height): 10.52 m
J (Fore Triangle Base): 3.66 m
P (Mainsail Hoist): 8.46 m
E (Boom Length): 3.12 m

Engine & Systems

Water Capacity: 45 L

Performance Ratios

Hull Speed: 6.33 knots
SA/Displacement (Calculated): 17.85
SA/Displacement (Reported): 18.25
Ballast/Disp Ratio: 50.46%
Displacement/Length: 216.51
Comfort Ratio: 18.76
Capsize Screening: 2.06
S-Number: 2.65

Notes

The first in a series of 3 Cal 27s, all by Lapworth, but different designs.