Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Keel/Cbrd.
Rigging Type: Masthead Sloop
LOA: 39.50 ft
LWL: 27.75 ft
S.A. (reported): 674.00 ft²
Beam: 10.50 ft
Displacement: 18,900.00 lb
Ballast: 8,400.00 lb
Max Draft: 9.00 ft
Min Draft: 4.50 ft
Construction: FG
Ballast Type: Lead
First Built: 1964
Last Built: 1969
# Built: 55
Builder: Columbia Yachts (USA)
Designer: Charles Morgan

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
HP: 30
Fuel: 40 gals


Water: 60 gals

Sailboat Calculations

S.A. / Displ.: 15.26
Bal. / Displ.: 44.44
Disp: / Len: 394.84
Comfort Ratio: 40.75
Capsize Screening Formula: 1.58
S#: 1.06
Hull Speed: 7.06 kn
Pounds/Inch Immersion: 1,041.11 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 43.50 ft
J: 15.00 ft
P: 37.60 ft
E: 18.50 ft
S.A. Fore: 326.25 ft²
S.A. Main: 347.80 ft²
S.A. Total (100% Fore + Main Triangles): 674.05 ft²
S.A./Displ. (calc.): 15.26
Est. Forestay Length: 46.01 ft

Sailboat Links

Designers: Charles Morgan
Builders: Columbia Yachts
Download Boat Record:


The COLUMBIA 40 was based on Morgans successful racer 'Sabre'. She featured a number of innovations for the time including a molded in steel frame skeleton and a hydraulically controlled centerboard.
Also available as a yawl.