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IRWIN 43 (1971)

Built by Irwin Yacht & Marine Corp. (USA) • Designed by Ted Irwin
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IRWIN 43 (1971) - Drawing

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General Information

Hull Type: Keel/Cbrd.
Rigging Type: Masthead Sloop
First Built: 1971

Dimensions

Length Overall (LOA): 13.26 m
Length Waterline (LWL): 9.75 m
Beam: 3.51 m
Draft (Max): 2.44 m
Draft (Min): 1.30 m

Weight & Ballast

Displacement: 10,433 kg
Ballast: 4,763 kg

Sail Plan

Foresail Area: 41.46 m²
Mainsail Area: 39.54 m²
Sail Area: 81.00 m²
Sail Area (reported): 81.01 m²
I (Fore Triangle Height): 15.54 m
J (Fore Triangle Base): 5.33 m
P (Mainsail Hoist): 13.66 m
E (Boom Length): 5.79 m
Est. Forestay Length: 16.43 m

Engine & Systems

Engine Make: Unimite
Engine Type: Gas

Performance Ratios

Hull Speed: 7.58 knots
SA/Displacement (Calc): 17.32
SA/Displacement (Reported): 17.32
Ballast/Disp Ratio: 45.65%
Displacement/Length: 313.35
Comfort Ratio: 38.77
Capsize Screening: 1.62
S-Number: 1.67
Immersion: 235 kg/cm

Notes

A fixed keel version was also available, as was a yawl rig. Diesel available as an option.

Market Value

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