Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 9.37 m
LWL: 8.51 m
S.A. (reported): 42.83 m²
Beam: 3.45 m
Displacement: 5,035 kg
Ballast: 1,950 kg
Max Draft: 1.17 m
Construction: FG
Ballast Type: Lead or Iron
First Built: 1978
Last Built: 1985
Builder: Allmand Boats Inc. (USA)
Designer: Walter Scott & T. R. Allmand

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: M16 or M35
Type: Diesel
Fuel: 106 L

Accomodations

Water: 151 L

Sailboat Calculations

Definitions
S.A. / Displ.: 14.87
Bal. / Displ.: 38.74
Disp: / Len: 227.68
Comfort Ratio: 23.52
Capsize Screening Formula: 2.04
S#: 2.16
Hull Speed: 7.08 kn
Pounds/Inch Immersion: 1,130.29 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 12.50 m
J: 3.66 m
P: 10.49 m
E: 3.81 m
S.A. Fore: 22.85 m²
S.A. Main: 19.97 m²
S.A. Total (100% Fore + Main Triangles): 42.83 m²
S.A./Displ. (calc.): 14.87
Est. Forestay Length: 13.02 m

Sailboat Links

Designers: Walter Scott
Builders: Allmand Boats Inc.(USA)
Associations: Allmand Owners
Download Boat Record:

Notes

First introduced as the SAIL 31.
A similar model was advertised as the ALLMAND 312 (same hull and deck) with some differences in the interior layout.
Tall rig:
I: 43.0'/13.11m
J: 12.0'/3.66m
P: 36.3'/11.06m
E: 12.5'/3.81m
Dimensions from orig. builder literature.