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ALPA A11

Built by Alpa (ITA) • Designed by John H. Illingworth
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ALPA A11 - Drawing

General Information

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
Construction: FG
First Built: 1968

Dimensions

Length Overall (LOA): 11.28 m
Length Waterline (LWL): 7.50 m
Beam: 2.74 m
Draft (Max): 1.75 m

Weight & Ballast

Displacement: 5,500 kg

Sail Plan

Sail Area (reported): 44.97 m²

Engine & Systems

Performance Ratios

Hull Speed: 6.65 knots
SA/Displacement (Reported): 14.72
Displacement/Length: 363.16
Comfort Ratio: 35.48
Capsize Screening: 1.57

Notes

Fiberglass version of the Illingworth MAICA, mentioned in his book "Heavy Weather Sailing".