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ALPA A27

ALPA A27 built by Alpa (ITA) and designed by Sparkman & Stephens. Her first hull was built in 1975 with an overall lengh of 8.17 m or 26.82 ft long

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ALPA A27 Sailboat Specifications​

Features

Overall Length (LOA) m / ft8.17 m / 26.82 ft
Builder(s)Alpa
Designer(s)Sparkman & Stephens
BrandAlpa
CountryItaly
Hull TypeFin w/transom hung rudder
First Hull Built1975
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Ballast Ratio35.55

Dimensions

Overall Length (LOA) 8.17 m / 26.82 ft
Waterline Length (LWL)7.01 m / 23.00 ft
Beam (width)2.93 m / 9.61 ft
Draft1.60 m / 5.25 ft
Light Displacement (MLC) 2930 kg / 6459 lb
Maximum Displacement2930 kg / 6459 lb
Ballast Weight1041 kg / 2296 lb

Performance

Capsize Screening Formula (CSF)2.07
Comfort Ratio20.29
Displacement-Length Ratio (DLR)236.99
Ballast Ratio35.55
Sail Area to Displacement17.77

Above Deck

Estimated Forestay Length12.09 m / 39.65 ft
Reported Sail Area35.67 m² / 384.00 ft²
Total Sail Area35.68 m² / 384.02 ft²
Mainsail Area15.68 m² / 168.75 ft²
I38.00 ft * 11.58 m
J11.33 ft * 3.45 m
P33.75 ft * 10.29 m
E10.00 ft * 3.05 m
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