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HB 31
Built by Hunter Boats (UK)
• Designed by Van de Stadt
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General Information
Hull Type:
Fin w/spade rudder
Rigging Type:
Fractional Sloop
First Built:
1983
Last Built:
1985
Number Built:
25
Dimensions
Length Overall (LOA):
9.30 m
Length Waterline (LWL):
7.19 m
Beam:
3.20 m
Draft (Max):
1.71 m
Weight & Ballast
Displacement:
2,495 kg
Ballast:
1,200 kg
Sail Plan
Foresail Area:
10.05 m²
Mainsail Area:
24.30 m²
Sail Area:
34.35 m²
Sail Area (reported):
34.37 m²
I (Fore Triangle Height):
10.15 m
J (Fore Triangle Base):
1.98 m
P (Mainsail Hoist):
11.31 m
E (Boom Length):
4.30 m
Est. Forestay Length:
10.34 m
Engine & Systems
Engine Make:
Yanmar
Engine Type:
Diesel
Engine Model:
2GM
Engine Power:
15 HP
Performance Ratios
Hull Speed:
6.51 knots
SA/Displacement (Calc):
19.05
SA/Displacement (Reported):
19.06
Ballast/Disp Ratio:
48.09%
Displacement/Length:
186.80
Comfort Ratio:
14.45
Capsize Screening:
2.38
S-Number:
3.11
Immersion:
158 kg/cm
Notes
IOR 1/2 ton. Another version was the FORMULA 31.
Market Value
No pricing data available yet.
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