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ALLMAND 31
Built by Allmand Boats Inc. (USA)
• Designed by Walter Scott & T. R. Allmand
General Information
Hull Type:
Fin with rudder on skeg
Rigging Type:
Masthead Sloop
Construction:
FG
First Built:
1978
Last Built:
1985
Dimensions
Length Overall (LOA):
9.37 m
Length Waterline (LWL):
8.51 m
Beam:
3.45 m
Draft (Max):
1.17 m
Weight & Ballast
Displacement:
5,035 kg
Ballast:
1,950 kg
Ballast Type:
Lead or Iron
Sail Plan
Foresail Area:
22.85 m²
Mainsail Area:
19.97 m²
Total Sail Area (calculated):
42.82 m²
Sail Area (reported):
42.83 m²
I (Fore Triangle Height):
12.50 m
J (Fore Triangle Base):
3.66 m
P (Mainsail Hoist):
10.49 m
E (Boom Length):
3.81 m
Engine & Systems
Engine Make:
Universal
Engine Type:
Diesel
Engine Model:
M16 or M35
Fuel Capacity:
106 L
Water Capacity:
151 L
Performance Ratios
Hull Speed:
7.08 knots
SA/Displacement (Calculated):
14.58
SA/Displacement (Reported):
14.87
Ballast/Disp Ratio:
38.74%
Displacement/Length:
227.68
Comfort Ratio:
23.52
Capsize Screening:
2.04
S-Number:
2.16
Notes
First introduced as the SAIL 31.