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ALPA A11

ALPA A11 built by Alpa (ITA) and designed by John H. Illingworth. Her first hull was built in 1968 with an overall lengh of 11.28 m or 37.01 ft long

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ALPA A11 Sailboat Specifications​

Features

Overall Length (LOA) m / ft11.28 m / 37.01 ft
Builder(s)Alpa
Designer(s)John H. Illingworth
BrandAlpa
CountryItaly
Hull TypeFin Keel
First Hull Built1968
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo

Dimensions

Overall Length (LOA) 11.28 m / 37.01 ft
Waterline Length (LWL)7.50 m / 24.61 ft
Beam (width)2.74 m / 8.99 ft
Draft1.75 m / 5.74 ft
Light Displacement (MLC) 5500 kg / 12125 lb
Maximum Displacement5500 kg / 12125 lb

Performance

Capsize Screening Formula (CSF)1.57
Comfort Ratio35.48
Displacement-Length Ratio (DLR)363.16
Sail Area to Displacement14.72

Above Deck

Reported Sail Area44.97 m² / 484.00 ft²
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