Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/rudder on partial skeg
Rigging Type: Masthead Sloop
LOA: 33.27 ft
LWL: 28.48 ft
S.A. (reported): 526.14 ft²
Beam: 11.16 ft
Displacement: 14,341.00 lb
Ballast: 6,047.00 lb
Max Draft: 5.45 ft
Construction: FG
Ballast Type: Cast iron
First Built: 1977
Last Built: 1985
# Built: 235
Builder: Westerly Yachts Ltd. (UK)
Designer: Laurent Giles

Auxiliary Power/Tanks (orig. equip.)

Make: Mercedes
Model: OM636
Type: Diesel
HP: 42
Fuel: 35 gals

Accomodations

Water: 45 gals

Sailboat Calculations

Definitions
S.A. / Displ.: 14.31
Bal. / Displ.: 42.17
Disp: / Len: 277.15
Comfort Ratio: 29.81
Capsize Screening Formula: 1.84
Hull Speed: 7.15 kn
Pounds/Inch Immersion: 1,135.67 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

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Mast Height from DWL: 40.50 ft

Sailboat Links

Designers: Jack Laurent Giles
Builders: Westerly Marine Construction Ltd.
Associations: Westerly Owners Association
Related Sailboats: DISCUS 33 (WESTERLY)
Download Boat Record:

Notes

The WESTERLY 33 was initially offered with an aft or center cockpit. In 1979 Westerly began calling the aft cockpit version the DISCUS 33 and only sold the WESTERLY 33 with the center cockpit.
Sold with fin or bilge keels, sloop or ketch rig.
The SA listed is for the main and #1 jib on the sloop rig.
Draft listed is for the fin keel.
Twin Keel draft: 1.32m / 4.33 ft
Ketch rig mast height: Main 38.5 ft; mizzen 24.75 ft