Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 9.11 m
LWL: 7.77 m
S.A. (reported): 43.48 m²
Beam: 3.25 m
Displacement: 2,177 kg
Ballast: 998 kg
Max Draft: 1.75 m
Construction: FG
Ballast Type: Lead
First Built: 1985
Last Built: 1986
# Built: 3
Builder: Dencho Marine (USA)
Designer: Doug Peterson

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Sailboat Calculations

S.A. / Displ.: 26.39
Bal. / Displ.: 45.83
Disp: / Len: 129.23
Comfort Ratio: 11.82
Capsize Screening Formula: 2.53
S#: 5.01
Hull Speed: 6.77 kn
Pounds/Inch Immersion: 972.19 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 12.45 m
J: 3.68 m
P: 11.05 m
E: 3.73 m
S.A. Fore: 22.90 m²
S.A. Main: 20.63 m²
S.A. Total (100% Fore + Main Triangles): 43.53 m²
S.A./Displ. (calc.): 26.42
Est. Forestay Length: 12.98 m

Sailboat Links

Designers: Doug Peterson
Builders: Dencho Marine
Download Boat Record:


Designed as MORC 'maxi', the ADHARA 30 is sometimes called the DENCHO 30 and an evolution of the the slightly earlier PINNACLE 29/30.
In addition to the 3 standard boats, 1 stretched 33' version also came from the same mold.
Thanks to 'SPB' for providing additional information.