Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 8.79 m
LWL: 6.81 m
S.A. (reported): 35.58 m²
Beam: 3.05 m
Displacement: 2,812 kg
Ballast: 1,406 kg
Max Draft: 1.37 m
Construction: FG
First Built: 1984
Builder: San Juan Manufacturing
Designer: Don Clark

Sailboat Calculations

Definitions
S.A. / Displ.: 18.21
Bal. / Displ.: 50.00
Disp: / Len: 248.59
Comfort Ratio: 18.38
Capsize Screening Formula: 2.18
S#: 2.30
Hull Speed: 6.33 kn
Pounds/Inch Immersion: 797.88 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 11.51 m
J: 3.66 m
P: 10.06 m
E: 2.90 m
S.A. Fore: 21.04 m²
S.A. Main: 14.56 m²
S.A. Total (100% Fore + Main Triangles): 35.61 m²
S.A./Displ. (calc.): 18.22
Est. Forestay Length: 12.07 m

Sailboat Links

Builders: Clark Boat Company
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Notes

The SAN JUAN 28 and 29 are nearly the same. The primary distinction is the manufacturer. The 28 was built by the Clark Boat Co. until 1884 when San Juan Manufacturing purchased the Clark Boat Co. and changed the name to the SAN JUAN 29.