Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long Keel
Rigging Type: Fractional Sloop
LOA: 28.50 ft / 8.69 m
LWL: 21.00 ft / 6.40 m
S.A. (reported): 438.00 ft² / 40.69 m²
Beam: 8.00 ft / 2.44 m
Displacement: 9,050.00 lb / 4,105 kg
Ballast: 3,150.00 lb / 1,429 kg
Max Draft: 4.58 ft / 1.40 m
Construction: Wood
Ballast Type: Lead
First Built: 1946
Last Built: 1950
# Built: 20
Builder: Henry Hinckley
Designer: Carl Alberg/Alden

Auxiliary Power/Tanks (orig. equip.)

Make: Gray
Model: Light Four
Type: Gas
Fuel: 27 gals / 102 L

Accomodations

Water: 27 gals / 102 L

Sailboat Calculations

Definitions
S.A. / Displ.: 16.19
Bal. / Displ.: 34.81
Disp: / Len: 436.26
Comfort Ratio: 37.69
Capsize Screening Formula: 1.54
S#: 0.93
Hull Speed: 6.14 kn
Pounds/Inch Immersion: 600.28 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: 9.25 ft / 2.82 m
P: 35.58 ft / 10.84 m
E: 15.00 ft / 4.57 m
S.A. Fore: 171.13 ft² / 15.90 m²
S.A. Main: 266.85 ft² / 24.79 m²
S.A. Total (100% Fore + Main Triangles): 437.98 ft² / 40.69 m²
S.A./Displ. (calc.): 16.19
Est. Forestay Length: 38.14 ft / 11.63 m

Sailboat Links

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

Notes

Carl Alberg was working for John Alden at this time.
Alden design #761. Updated in 1948 (#839).
Design #839:
# built: 4
LOA: 29.25'/8.92m
LWL: 21.08'/6.43m
Beam: 8'/2.44m
Draft: 4.58'/1.4m
Displacement: 9560 lbs/4336 kg