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HYDRA 20
Built by Boo Marine (SWE)
• Designed by Heinz-Jurgen Sass
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General Information
Hull Type:
Fin w/bulb & spade rudder
Rigging Type:
Masthead Sloop
First Built:
1971
Last Built:
1981
Number Built:
150
Dimensions
Length Overall (LOA):
6.00 m
Length Waterline (LWL):
5.40 m
Beam:
2.00 m
Draft (Max):
1.00 m
Weight & Ballast
Displacement:
800 kg
Ballast:
400 kg
Ballast Type:
Iron
Sail Plan
Foresail Area:
10.18 m²
Mainsail Area:
6.60 m²
Sail Area:
16.77 m²
Sail Area (reported):
16.72 m²
I (Fore Triangle Height):
7.80 m
J (Fore Triangle Base):
2.61 m
P (Mainsail Hoist):
6.60 m
E (Boom Length):
2.00 m
Est. Forestay Length:
8.22 m
Engine & Systems
Performance Ratios
Hull Speed:
5.64 knots
SA/Displacement (Calc):
19.84
SA/Displacement (Reported):
19.78
Ballast/Disp Ratio:
50.03%
Displacement/Length:
141.45
Comfort Ratio:
12.14
Capsize Screening:
2.17
S-Number:
3.91
Immersion:
74 kg/cm
Notes
The earlier boats were almost always sold as kits for owner completion.
Market Value
No pricing data available yet.
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