BERWICK 31 (WESTERLY)

BERWICK 31 (WESTERLY)
BERWICK 31 (WESTERLY)

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Twin Keel
Rigging Type: Masthead Sloop
LOA: 31.00 ft / 9.45 m
LWL: 25.00 ft / 7.62 m
S.A. (reported): 424.00 ft² / 39.39 m²
Beam: 9.50 ft / 2.90 m
Displacement: 9,790.00 lb / 4,441 kg
Ballast: 4,436.00 lb / 2,012 kg
Max Draft: 3.58 ft / 1.09 m
Construction: FG
First Built: 1973
Last Built: 1980
# Built: 309
Builder: Westerly Marine Ltd. (UK)
Designer: Laurent Giles

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD2B
Type: Diesel
HP: 23
Fuel: 20 gals / 76 L

Accomodations

Water: 30 gals / 114 L

Sailboat Calculations

Definitions
S.A. / Displ.: 14.87
Bal. / Displ.: 45.31
Disp: / Len: 279.71
Comfort Ratio: 28.14
Capsize Screening Formula: 1.78
S#: 1.73
Hull Speed: 6.70 kn
Pounds/Inch Immersion: 848.61 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 35.00 ft / 10.67 m
J: 13.00 ft / 3.96 m
P: 31.00 ft / 9.45 m
E: 12.70 ft / 3.87 m
S.A. Fore: 227.50 ft² / 21.14 m²
S.A. Main: 196.85 ft² / 18.29 m²
S.A. Total (100% Fore + Main Triangles): 424.35 ft² / 39.42 m²
S.A./Displ. (calc.): 14.89
Est. Forestay Length: 37.34 ft / 11.38 m

Sailboat Links

Designers: Jack Laurent Giles
Builders: Westerly Marine Construction Ltd.
Associations: Westerly Owners Association
Download Boat Record:

Notes

BERWICK 31 is an aft cockpit model. It is the twin/bilge keel version of the LONGBOW.
LONGBOW, PENTLAND & RENOWN share the same basic hull.
Also available as a ketch.