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ALPA 11.50

Built by Alpa (ITA) • Designed by Danilo Cattadori
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ALPA 11.50 - Photo
ALPA 11.50 - Drawing

General Information

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
Construction: FG
First Built: 1975
Last Built: 1979

Dimensions

Length Overall (LOA): 11.56 m
Length Waterline (LWL): 8.15 m
Beam: 3.20 m
Draft (Max): 1.82 m
Headroom: 1.90 m

Weight & Ballast

Displacement: 6,200 kg
Ballast: 2,350 kg

Sail Plan

Foresail Area: 32.58 m²
Mainsail Area: 18.78 m²
Total Sail Area (calculated): 51.36 m²
Sail Area (reported): 74.50 m²
I (Fore Triangle Height): 13.20 m
J (Fore Triangle Base): 4.94 m
P (Mainsail Hoist): 11.50 m
E (Boom Length): 3.27 m

Engine & Systems

Engine Make: Faryman
Engine Type: Diesel
Engine Model: P30
Engine Power: 26 HP
Fuel Capacity: 100 L
Water Capacity: 300 L

Performance Ratios

Hull Speed: 6.93 knots
SA/Displacement (Calculated): 15.22
SA/Displacement (Reported): 22.52
Ballast/Disp Ratio: 37.90%
Displacement/Length: 319.16
Comfort Ratio: 30.63
Capsize Screening: 1.76
S-Number: 1.50

Notes

S.A. (Reported) = Main + #1 Genoa.