Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Cutter
LOA: 16.31 m
LWL: 12.12 m
S.A. (reported): 113.16 m²
Beam: 4.52 m
Displacement: 17,509 kg
Ballast: 6,514 kg
Max Draft: 2.09 m
Construction: FG
First Built: 1982
Last Built: 1989
Builder: Ta Shing Yacht Buildling (TAIWAN)
Designer: Al Mason

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Sailboat Calculations

S.A. / Displ.: 17.14
Bal. / Displ.: 37.20
Disp: / Len: 274.36
Comfort Ratio: 37.48
Capsize Screening Formula: 1.76
S#: 1.97
Hull Speed: 8.45 kn
Pounds/Inch Immersion: 2,106.32 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 18.24 m
J: 6.40 m
P: 16.20 m
E: 6.78 m
S.A. Fore: 58.37 m²
S.A. Main: 54.89 m²
S.A. Total (100% Fore + Main Triangles): 113.27 m²
S.A./Displ. (calc.): 17.15
Est. Forestay Length: 19.33 m

Sailboat Links

Designers: Alvin Mason
Builders: Ta Shing Yacht Building Ltd.
Download Boat Record:


Mason design # S-105.
Shoal draft: 5.75'.
Aft and center cockpit versions.
Cutter or staysail ketch.