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ALPA 21

Sparkman & Stephens Alpa (ITA) 1976

Dimensions

LOA: 21.3 ft
LWL: 18.6 ft
Beam: 8.2 ft
Max Draft: 4.0 ft
Min Draft: -

Weight & Ballast

Displacement: 2868.0 lbs
Ballast: 800.0 lbs
Bal./Disp.: 27.9%

Performance

SA/Disp.: 19.4
Disp./Length: 199.0
Comfort: 13.8
Capsize Screening: 2.3
Hull Speed: 5.8 kts

Sail Plan

Sail Area: 245.0 sq ft
I: 30.0
J: 8.6
P: 26.0
E: 9.0

Engine & Tanks

Engine
Model
HP
Fuel: 0
Water: 0

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