HELMS 27

HELMS 27 drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
26.83 ft / 8.18 m
LWL:
21.58 ft / 6.58 m
S.A. (reported):
344.00 ft2 / 31.96 m2
Beam:
9.67 ft / 2.95 m
Draft (max):
4.30 ft / 1.31 m
Draft (min):
Displacement:
6,200 lb / 2,812 kg
Ballast:
2,400 lb / 1,089 kg
S.A./Disp.:
16.36
Bal./Disp.:
38.71
Disp./Len.:
275.42
Construction:
FG
Ballast Type:
First Built:
1978
Last Built:
1987
# Built:
600
Builder:
Jack A. Helms Co. (USA)
Designer:
Stuart Windley
Website:

Sailboat Calculations

S.A./Disp.:
16.36
Bal./Disp.:
38.71
Disp./Len.:
275.42
Comfort Ratio:
20.15

Rig and Sail Particulars

I:
35.00 ft / 10.67 m
J:
11.25 ft / 3.43 m
P:
29.50 ft / 8.99 m
E:
10.00 ft / 3.05 m
SPL/TPS:
ISP:
S.A. Fore:
196.88 ft2 / 18.29 m2
S.A. Main:
147.50 ft2 / 13.70 m2
S.A. Total (100% Fore + Main Triangles)
344.38 ft2 / 31.99 m2
S.A./Disp. (calc.):
16.38
Est. Forestay Len.:
36.76 ft / 11.21 m

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