Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 31.00 ft
LWL: 25.00 ft
S.A. (reported): 466.00 ft²
Beam: 10.50 ft
Displacement: 9,400.00 lb
Ballast: 3,800.00 lb
Max Draft: 5.50 ft
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: 35.00 ft
J: 11.80 ft
P: 39.00 ft
E: 13.30 ft
S.A. Fore: 206.50 ft²
S.A. Main: 259.35 ft²
S.A. Total (100% Fore + Main Triangles): 465.85 ft²
S.A./Displ. (calc.): 16.79
Est. Forestay Length: 36.94 ft

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).