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SEAWIND MK II KETCH (ALLIED)

Built by Allied Boat Co. (USA) • Designed by Thomas Gillmer
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SEAWIND MK II KETCH (ALLIED) - Drawing

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General Information

Hull Type: Long Keel
Rigging Type: Masthead Ketch
First Built: 1975
Last Built: 1982
Number Built: 130

Dimensions

Length Overall (LOA): 9.63 m
Length Waterline (LWL): 7.77 m
Beam: 3.18 m
Draft (Max): 1.37 m

Weight & Ballast

Displacement: 6,759 kg
Ballast: 2,449 kg
Ballast Type: Lead

Sail Plan

Foresail Area: 24.77 m²
Mainsail Area: 18.86 m²
Sail Area: 43.63 m²
Sail Area (reported): 51.56 m²
I (Fore Triangle Height): 11.82 m
J (Fore Triangle Base): 4.19 m
P (Mainsail Hoist): 10.31 m
E (Boom Length): 3.66 m
PY (Mizzen Hoist): 5.64 m
EY (Mizzen Boom): 2.77 m
Est. Forestay Length: 12.54 m

Engine & Systems

Engine Make: Westerbeke
Engine Type: Diesel
Engine Power: 27 HP
Fuel Capacity: 151 L
Water Capacity: 227 L

Performance Ratios

Hull Speed: 6.77 knots
SA/Displacement (Calc): 12.45
SA/Displacement (Reported): 14.72
Ballast/Disp Ratio: 36.24%
Displacement/Length: 401.16
Comfort Ratio: 37.15
Capsize Screening: 1.70
S-Number: 0.87
Immersion: 170 kg/cm

Notes

The SEAWIND II was introduced as the successor to the original SEAWIND (1962). It was over a foot longer, over a foot wider, had more sail area, and weighed an additional 2100 pounds. The price was also significantly higher and the builder continued to build both versions until 1982.

Market Value

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