ALPA A27

ALPA A27 photo ALPA A27 drawing

Sailboat Specifications


Hull Type:
Rigging Type:
LOA:
26.82 ft / 8.17 m
LWL:
23.00 ft / 7.01 m
S.A. (reported):
384.00 ft2 / 35.67 m2
Beam:
9.61 ft / 2.93 m
Draft (max):
5.25 ft / 1.60 m
Draft (min):
Displacement:
6,459 lb / 2,930 kg
Ballast:
2,296 lb / 1,041 kg
S.A./Disp.:
17.77
Bal./Disp.:
35.55
Disp./Len.:
236.99
Construction:
FG
Ballast Type:
First Built:
1975
Last Built:
# Built:
Builder:
Alpa (ITA)
Designer:
Sparkman & Stephens
Website:

Sailboat Calculations

S.A./Disp.:
17.77
Bal./Disp.:
35.55
Disp./Len.:
236.99
Comfort Ratio:
20.29

Rig and Sail Particulars

I:
38.00 ft / 11.58 m
J:
11.33 ft / 3.45 m
P:
33.75 ft / 10.29 m
E:
10.00 ft / 3.05 m
SPL/TPS:
ISP:
S.A. Fore:
215.27 ft2 / 20.00 m2
S.A. Main:
168.75 ft2 / 15.68 m2
S.A. Total (100% Fore + Main Triangles)
384.02 ft2 / 35.68 m2
S.A./Disp. (calc.):
17.77
Est. Forestay Len.:
39.65 ft / 12.09 m

Sailboat Links

Notes

S&S design #2241.



.