Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 42.75 ft
LWL: 31.25 ft
S.A. (reported): 797.00 ft²
Beam: 11.75 ft
Displacement: 21,796.00 lb
Ballast: 9,152.00 lb
Max Draft: 6.25 ft
Construction: FG
Ballast Type: Lead
First Built: 1969
Last Built: 1972
Builder: Pearson Yachts (USA)
Designer: William Shaw

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Unimite
Type: Gas w/Vdrive
HP: 72
Fuel: 40 gals


Water: 90 gals

Sailboat Calculations

S.A. / Displ.: 16.41
Bal. / Displ.: 41.99
Disp: / Len: 318.84
Comfort Ratio: 36.47
Capsize Screening Formula: 1.69
S#: 1.57
Hull Speed: 7.49 kn
Pounds/Inch Immersion: 1,312.00 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 46.42 ft
J: 16.75 ft
P: 43.50 ft
E: 18.75 ft
S.A. Fore: 388.77 ft²
S.A. Main: 407.81 ft²
S.A. Total (100% Fore + Main Triangles): 796.58 ft²
S.A./Displ. (calc.): 16.40
Est. Forestay Length: 49.35 ft

Sailboat Links

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


Diesel available as an option.
Sloop or yawl.
*Rig dimensions varied for this model and position of mast (J) was changed at least once.
I: 51.00'
J: 16.25'
P: 45.50'
E: 17.75'
I: 46.42'
J: 16.75'
P: 42.50'
E: 17.75'
PY: 20.0'
EY: 7.75'