Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 9.45 m
LWL: 7.62 m
S.A. (reported): 43.29 m²
Beam: 3.20 m
Displacement: 4,264 kg
Ballast: 1,724 kg
Max Draft: 1.68 m
Construction: FG
Ballast Type: Lead
First Built: 1977
Last Built: 1981
Builder: Pearson Yachts (USA)
Designer: William Shaw

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
HP: 25

Sailboat Calculations

Definitions
S.A. / Displ.: 16.80
Bal. / Displ.: 40.43
Disp: / Len: 268.57
Comfort Ratio: 23.65
Capsize Screening Formula: 1.99
S#: 1.99
Hull Speed: 6.70 kn
Pounds/Inch Immersion: 937.94 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 10.67 m
J: 3.60 m
P: 11.89 m
E: 4.05 m
S.A. Fore: 19.18 m²
S.A. Main: 24.09 m²
S.A. Total (100% Fore + Main Triangles): 43.28 m²
S.A./Displ. (calc.): 16.79
Est. Forestay Length: 11.26 m

Sailboat Links

Designers: William Shaw
Builders: Pearson Yachts
Associations: Pearson Yacht Owners Portal
Download Boat Record:

Notes

A second PEARSON 31 (PEARSON 31-2), introduced in 1987, is an entirely different design (though also from William Shaw).