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COLUMBIA 45 KETCH

Built by Columbia Yachts (USA) • Designed by William Tripp Jr
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COLUMBIA 45 KETCH - Drawing

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General Information

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Ketch
Construction: FG
First Built: 1971

Dimensions

Length Overall (LOA): 13.79 m
Length Waterline (LWL): 10.52 m
Beam: 3.76 m
Draft (Max): 2.21 m

Weight & Ballast

Displacement: 11,340 kg
Ballast: 4,672 kg
Ballast Type: Lead

Sail Plan

Foresail Area: 37.42 m²
Mainsail Area: 24.47 m²
Total Sail Area (calculated): 61.89 m²
Sail Area (reported): 72.37 m²
I (Fore Triangle Height): 13.72 m
J (Fore Triangle Base): 5.46 m
P (Mainsail Hoist): 11.07 m
E (Boom Length): 4.42 m

Engine & Systems

Performance Ratios

Hull Speed: 7.87 knots
SA/Displacement (Calculated): 12.26
SA/Displacement (Reported): 14.64
Ballast/Disp Ratio: 41.20%
Displacement/Length: 271.79
Comfort Ratio: 36.09
Capsize Screening: 1.69
S-Number: 1.55

Notes

Shoal Draft: 5.25'.