HELMS 30

HELMS 30 drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
30.00 ft / 9.14 m
LWL:
23.42 ft / 7.14 m
Beam:
9.33 ft / 2.84 m
S.A. (reported):
432.00 ft2 / 40.13 m2
Draft (max):
4.50 ft / 1.37 m
Draft (min):
Displacement:
9,600 lb / 4,354 kg
Ballast:
S.A./Disp.:
15.35
Bal./Disp.:
Disp./Len.:
333.63
Construction:
FG
Ballast Type:
First Built:
1976
Last Built:
# Built:
Builder:
Jack A. Helms Co. (USA)
Designer:
John Holmes
Website:

Auxiliary Power/Tanks (orig. equip.)

Make:
Palmer
Model:
Type:
Gas
HP:
30

Sailboat Calculations

S.A./Disp.:
15.35
Bal./Disp.:
Disp./Len.:
333.63
Comfort Ratio:
29.83
Capsize Screening Formula:
1.76

Rig and Sail Particulars

I:
40.00 ft / 12.19 m
J:
12.85 ft / 3.92 m
P:
35.00 ft / 10.67 m
E:
10.00 ft / 3.05 m
SPL/TPS:
ISP:
S.A. Fore:
257.00 ft2 / 23.88 m2
S.A. Main:
175.00 ft2 / 16.26 m2
S.A. Total (100% Fore + Main Triangles)
432.00 ft2 / 40.13 m2
S.A./Disp. (calc.):
15.35
Est. Forestay Len.:
42.01 ft / 12.81 m

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