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DOLPHIN 25 (HELMS)
Built by Jack A. Helms Co. (USA)
• Designed by Jack A. Helms
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General Information
Hull Type:
Keel/Cbrd.
Rigging Type:
Masthead Sloop
First Built:
1968
Dimensions
Length Overall (LOA):
7.57 m
Length Waterline (LWL):
6.61 m
Beam:
2.42 m
Draft (Max):
1.52 m
Draft (Min):
0.51 m
Weight & Ballast
Displacement:
1,792 kg
Ballast:
136 kg
Sail Plan
Foresail Area:
14.88 m²
Mainsail Area:
10.66 m²
Sail Area:
25.54 m²
Sail Area (reported):
24.15 m²
I (Fore Triangle Height):
9.30 m
J (Fore Triangle Base):
3.20 m
P (Mainsail Hoist):
7.77 m
E (Boom Length):
2.74 m
Est. Forestay Length:
9.83 m
Engine & Systems
Performance Ratios
Hull Speed:
6.24 knots
SA/Displacement (Calc):
17.65
SA/Displacement (Reported):
16.69
Ballast/Disp Ratio:
7.59%
Displacement/Length:
173.29
Comfort Ratio:
17.05
Capsize Screening:
2.01
S-Number:
3.13
Immersion:
110 kg/cm
Notes
Said to have been first built by Advance Sailboat Corp.?
Market Value
No pricing data available yet.
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