Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 29.82 ft / 9.09 m
LWL: 21.98 ft / 6.70 m
S.A. (reported): 354.00 ft² / 32.89 m²
Beam: 8.86 ft / 2.70 m
Displacement: 8,598.00 lb / 3,900 kg
Ballast: 3,638.00 lb / 1,650 kg
Max Draft: 5.25 ft / 1.60 m
Construction: FG
First Built: 1967
Last Built: 1970
Builder: Alpa (ITA)
Designer: Illingworth & Associates

Auxiliary Power/Tanks (orig. equip.)

Make: Farymann
Type: Diesel
HP: 20
Fuel: 23 gals / 87 L

Sailboat Calculations

Definitions
S.A. / Displ.: 13.54
Bal. / Displ.: 42.31
Disp: / Len: 361.47
Comfort Ratio: 29.87
Capsize Screening Formula: 1.73
S#: 1.12
Hull Speed: 6.28 kn
Pounds/Inch Immersion: 695.84 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 36.02 ft / 10.98 m
J: 10.00 ft / 3.05 m
P: 31.10 ft / 9.48 m
E: 11.15 ft / 3.40 m
S.A. Fore: 180.10 ft² / 16.73 m²
S.A. Main: 173.38 ft² / 16.11 m²
S.A. Total (100% Fore + Main Triangles): 353.48 ft² / 32.84 m²
S.A./Displ. (calc.): 13.52
Est. Forestay Length: 37.38 ft / 11.39 m

Sailboat Links

Designers: John Illingworth
Builders: Alpa Yachts (ITA)
Download Boat Record:

Notes

Dimensions from original builders brochure.