Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long Keel
Rigging Type: Masthead Sloop
LOA: 12.80 m
LWL: 9.91 m
S.A. (reported): 76.83 m²
Beam: 3.51 m
Displacement: 10,886 kg
Ballast: 3,629 kg
Max Draft: 1.98 m
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: 15.47 m
J: 5.28 m
P: 12.44 m
E: 5.79 m
S.A. Fore: 40.85 m²
S.A. Main: 36.01 m²
S.A. Total (100% Fore + Main Triangles): 76.86 m²
S.A./Displ. (calc.): 15.97
Est. Forestay Length: 16.35 m

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.