Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 31.00 ft / 9.45 m
LWL: 24.00 ft / 7.32 m
S.A. (reported): 440.00 ft² / 40.88 m²
Beam: 9.17 ft / 2.80 m
Displacement: 9,350.00 lb / 4,241 kg
Ballast: 3,450.00 lb / 1,565 kg
Max Draft: 5.00 ft / 1.52 m
Construction: FG
Ballast Type: Lead
First Built: 1966
# Built: 24
Builder: Spencer Boats
Designer: John Brandlmayr

Auxiliary Power/Tanks (orig. equip.)

Fuel: 20 gals / 76 L

Accomodations

Water: 25 gals / 95 L
Headroom: 6.17 ft / 1.88 m

Sailboat Calculations

Definitions
S.A. / Displ.: 15.92
Bal. / Displ.: 36.90
Disp: / Len: 301.95
Comfort Ratio: 28.93
Capsize Screening Formula: 1.74
S#: 1.65
Hull Speed: 6.56 kn
Pounds/Inch Immersion: 786.37 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 37.00 ft / 11.28 m
J: 12.50 ft / 3.81 m
P: 31.00 ft / 9.45 m
E: 13.50 ft / 4.11 m
S.A. Fore: 231.25 ft² / 21.48 m²
S.A. Main: 209.25 ft² / 19.44 m²
S.A. Total (100% Fore + Main Triangles): 440.50 ft² / 40.92 m²
S.A./Displ. (calc.): 15.93
Est. Forestay Length: 39.05 ft / 11.90 m

Sailboat Links

Designers: John Brandlmayr
Builders: Spencer Boats Ltd.
Associations: Spencer Yachts Owners Group
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