ALPA 11.50

ALPA 11.50 photo ALPA 11.50 drawing

Sailboat Specifications


Hull Type:
Fin with rudder on skeg
Rigging Type:
Masthead Sloop
LOA:
37.93 ft / 11.56 m
LWL:
26.74 ft / 8.15 m
Beam:
10.50 ft / 3.20 m
S.A. (reported):
801.91 ft2 / 74.50 m2
Draft (max):
5.97 ft / 1.82 m
Displacement:
13,669 lb / 6,200 kg
Ballast:
5,181 lb / 2,350 kg
S.A./Disp.:
22.52
Bal./Disp.:
37.90
Disp./Len.:
319.16
Construction:
FG
First Built:
1975
Last Built:
1979
Builder:
Alpa (ITA)
Designer:
Danilo Cattadori

Auxiliary Power/Tanks (orig. equip.)

Make:
Faryman
Model:
P30
Type:
Diesel
HP:
26
Fuel:
26 gals / 100 L

Sailboat Calculations

S.A./Disp.:
22.52
Bal./Disp.:
37.90
Disp./Len.:
319.16
Comfort Ratio:
30.63
Capsize Screening Formula:
1.76
S#:
1.50

Rig and Sail Particulars

I:
43.30 ft / 13.20 m
J:
16.20 ft / 4.94 m
P:
37.72 ft / 11.50 m
E:
10.72 ft / 3.27 m
S.A. Fore:
350.73 ft2 / 32.58 m2
S.A. Main:
202.18 ft2 / 18.78 m2
S.A. Total (100% Fore + Main Triangles)
552.91 ft2 / 51.37 m2
S.A./Disp. (calc.):
15.53
Est. Forestay Len.:
46.23 ft / 14.09 m

Accommodations

Headroom:
6.23 ft / 1.90 m
Water:
79 gals / 300 L

Notes

S.A. (Reported) = Main + #1 Genoa.
Thanks to 'rmanganaro' for providing important corrections.
Sometimes attributed to S&S but actually designed 'in house'.

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