Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long Keel
Rigging Type: Masthead Sloop
LOA: 42.00 ft
LWL: 32.50 ft
S.A. (reported): 827.00 ft²
Beam: 11.50 ft
Displacement: 24,000.00 lb
Ballast: 8,000.00 lb
Max Draft: 6.50 ft
Construction: FG
First Built: 1968
# Built: 21
Builder: Spencer Boats Ltd.
Designer: John Brandlmayr

Sailboat Calculations

Definitions
S.A. / Displ.: 15.97
Bal. / Displ.: 33.33
Disp: / Len: 312.11
Comfort Ratio: 40.57
Capsize Screening Formula: 1.60
S#: 1.58
Hull Speed: 7.64 kn
Pounds/Inch Immersion: 1,335.45 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 50.75 ft
J: 17.33 ft
P: 40.80 ft
E: 19.00 ft
S.A. Fore: 439.75 ft²
S.A. Main: 387.60 ft²
S.A. Total (100% Fore + Main Triangles): 827.35 ft²
S.A./Displ. (calc.): 15.97
Est. Forestay Length: 53.63 ft

Sailboat Links

Designers: John Brandlmayr
Builders: Spencer Boats Ltd.
Associations: Spencer Yachts Owners Group
Download Boat Record:

Notes

Built from the modified hull mold of the SPENCER 42. Most had more freeboard to acommodate a center cockpit layout but details differ from one boat to another. Sloop or ketch rig.