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BERWICK 31 (WESTERLY)
Built by Westerly Marine Ltd. (UK)
• Designed by Laurent Giles
General Information
Hull Type:
Twin Keel
Rigging Type:
Masthead Sloop
Construction:
FG
First Built:
1973
Last Built:
1980
Number Built:
309
Dimensions
Length Overall (LOA):
9.45 m
Length Waterline (LWL):
7.62 m
Beam:
2.90 m
Draft (Max):
1.09 m
Weight & Ballast
Displacement:
4,441 kg
Ballast:
2,012 kg
Sail Plan
Foresail Area:
21.14 m²
Mainsail Area:
18.29 m²
Total Sail Area (calculated):
39.43 m²
Sail Area (reported):
39.39 m²
I (Fore Triangle Height):
10.67 m
J (Fore Triangle Base):
3.96 m
P (Mainsail Hoist):
9.45 m
E (Boom Length):
3.87 m
Engine & Systems
Engine Make:
Volvo Penta
Engine Type:
Diesel
Engine Model:
MD2B
Engine Power:
23 HP
Fuel Capacity:
76 L
Water Capacity:
114 L
Performance Ratios
Hull Speed:
6.70 knots
SA/Displacement (Calculated):
14.59
SA/Displacement (Reported):
14.87
Ballast/Disp Ratio:
45.31%
Displacement/Length:
279.71
Comfort Ratio:
28.14
Capsize Screening:
1.78
S-Number:
1.73
Notes
BERWICK 31 is an aft cockpit model. It is the twin/bilge keel version of the LONGBOW.