Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 39.00 ft
LWL: 30.00 ft
S.A. (reported): 737.00 ft²
Beam: 11.33 ft
Displacement: 19,000.00 lb
Ballast: 9,500.00 lb
Max Draft: 5.92 ft
Construction: FG
Ballast Type: Lea
First Built: 1970
Last Built: 1979
# Built: 105
Builder: Ericson Yachts (USA)
Designer: Bruce King

Sailboat Calculations

Definitions
S.A. / Displ.: 16.62
Bal. / Displ.: 50.00
Disp: / Len: 314.15
Comfort Ratio: 35.41
Capsize Screening Formula: 1.70
S#: 1.61
Hull Speed: 7.34 kn
Pounds/Inch Immersion: 1,214.50 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 52.00 ft
J: 16.50 ft
P: 44.00 ft
E: 14.00 ft
S.A. Fore: 429.00 ft²
S.A. Main: 308.00 ft²
S.A. Total (100% Fore + Main Triangles): 737.00 ft²
S.A./Displ. (calc.): 16.62
Est. Forestay Length: 54.56 ft

Sailboat Links

Designers: Bruce King
Builders: Ericson Yachts (USA)
Associations: Ericson Yachts Information
Related Sailboats: ERICSON 39 B
Download Boat Record:

Notes

A more cruising oriented version with a trunk cabin was called the ERICSON 39 B.
Shorter rig:
I(IG): 50.00' / 15.24m
J: 16.50' / 5.03m
P: 44.00' / 13.41m
E: 14.00' / 4.27m