Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 29.89 ft
LWL: 25.50 ft
S.A. (reported): 468.00 ft²
Beam: 10.67 ft
Displacement: 4,800.00 lb
Ballast: 2,200.00 lb
Max Draft: 5.75 ft
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: 40.84 ft
J: 12.07 ft
P: 36.25 ft
E: 12.25 ft
S.A. Fore: 246.47 ft²
S.A. Main: 222.03 ft²
S.A. Total (100% Fore + Main Triangles): 468.50 ft²
S.A./Displ. (calc.): 26.42
Est. Forestay Length: 42.59 ft

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.