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IRWIN 31

Ted Irwin Irwin Yachts (USA) 1968

Dimensions

LOA: 31.1 ft
LWL: 22.3 ft
Beam: 9.6 ft
Max Draft: 7.5 ft
Min Draft: 3.3 ft

Weight & Ballast

Displacement: 9600.0 lbs
Ballast: 3800.0 lbs
Bal./Disp.: 39.6%

Performance

SA/Disp.: 15.9
Disp./Length: 389.1
Comfort: 29.2
Capsize Screening: 1.8
Hull Speed: 6.3 kts

Sail Plan

Sail Area: 448.0 sq ft
I: 37.0
J: 12.1
P: 32.0
E: 14.0

Engine & Tanks

Engine: Universal
Model: Atomic 4
HP: 25
Fuel: 25
Water: 50

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