DOLPHIN 25 (HELMS)

DOLPHIN 25 (HELMS) drawing

Sailboat Specifications


Hull Type:
Keel/Cbrd.
Rigging Type:
Masthead Sloop
LOA:
7.57 m
LWL:
6.61 m
Beam:
2.42 m
S.A. (reported):
24.15 m2
Draft (max):
1.52 m
Draft (min):
0.51 m
Displacement:
1,792 kg
Ballast:
136 kg
S.A./Disp.:
16.69
Bal./Disp.:
7.59
Disp./Len.:
173.29
Construction:
FG
Ballast Type:
First Built:
1968
Last Built:
# Built:
Builder:
Jack A. Helms Co. (USA)
Designer:
Jack A. Helms
Website:

Sailboat Calculations

S.A./Disp.:
16.69
Bal./Disp.:
7.59
Disp./Len.:
173.29
Comfort Ratio:
17.05
Capsize Screening Formula:
2.01

Rig and Sail Particulars

I:
9.30 m
J:
3.20 m
P:
7.77 m
E:
2.74 m
SPL/TPS:
ISP:
S.A. Fore:
14.88 m2
S.A. Main:
10.66 m2
S.A. Total (100% Fore + Main Triangles)
25.54 m2
S.A./Disp. (calc.):
17.65
Est. Forestay Len.:
9.83 m

Sailboat Links

Notes

Said to have been first built by Advance Sailboat Corp.?
Very similar to what later became the HELMS 25.

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