Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Fractional Sloop
LOA: 40.75 ft / 12.42 m
LWL: 28.00 ft / 8.53 m
S.A. (reported): 772.00 ft² / 71.72 m²
Beam: 10.00 ft / 3.05 m
Displacement: 19,810.00 lb / 8,986 kg
Ballast: 8,450.00 lb / 3,833 kg
Max Draft: 5.75 ft / 1.75 m
Construction: Wood
Ballast Type: Lead
First Built: 1945
# Built: 6
Builder: Henry R. Hinckley & Co.(USA)
Designer: John Alden

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Gray Marine
Model: 4-22
Type: Gas

Sailboat Calculations

Definitions
S.A. / Displ.: 16.94
Bal. / Displ.: 42.66
Disp: / Len: 402.87
Comfort Ratio: 44.79
Capsize Screening Formula: 1.48
S#: 1.11
Hull Speed: 7.09 kn
Pounds/Inch Immersion: 1,000.47 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: 13.50 ft / 4.11 m
P: 49.50 ft / 15.09 m
E: 21.75 ft / 6.63 m
S.A. Fore: 236.25 ft² / 21.95 m²
S.A. Main: 538.31 ft² / 50.01 m²
S.A. Total (100% Fore + Main Triangles): 774.56 ft² / 71.96 m²
S.A./Displ. (calc.): 16.99
Est. Forestay Length: 37.51 ft / 11.43 m

Sailboat Links

Designers: John G. Alden
Builders: Hinckley Yachts
Download Boat Record:

Notes

Alden design #769. Was also available as a yawl.