Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 47.75 ft
LWL: 35.00 ft
S.A. (reported): 1,041.00 ft²
Beam: 12.00 ft
Displacement: 25,000.00 lb
Ballast: 9,500.00 lb
Max Draft: 6.50 ft
Construction: FG
Ballast Type: Lead
First Built: 1966
Last Built: 1970
# Built: 24
Builder: Jensen Marine (USA)
Designer: C. William Lapworth

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Model: 4-167M
Type: Diesel
Fuel: 60 gals

Accommodations

Water: 110 gals

Sailboat Calculations

Definitions
S.A. / Displ.: 19.56
Bal. / Displ.: 38.00
Disp: / Len: 260.31
Comfort Ratio: 36.36
Capsize Screening Formula: 1.64
S#: 2.30
Hull Speed: 7.93 kn
Pounds/Inch Immersion: 1,500.71 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 55.00 ft
J: 19.00 ft
P: 48.20 ft
E: 21.50 ft
S.A. Fore: 522.50 ft²
S.A. Main: 518.15 ft²
S.A. Total (100% Fore + Main Triangles): 1,040.65 ft²
S.A./Displ. (calc.): 19.55
Est. Forestay Length: 58.19 ft

Sailboat Links

Designers: C. William Lapworth
Builders: Jensen Marine/Cal Boats
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