Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/CB & spade rudder
Rigging Type: Cutter
LOA: 25.33 ft
LWL: 21.83 ft
S.A. (reported): 396.00 ft²
Beam: 10.33 ft
Displacement: 7,000.00 lb
Ballast: 2,000.00 lb
Max Draft: 6.67 ft
Min Draft: 2.75 ft
Construction: FG
First Built: 1975
Last Built: 1982
Builder: Irwin Yacht & Marine Corporation (USA)
Designer: Ted Irwin

Sailboat Calculations

Definitions
S.A. / Displ.: 17.37
Bal. / Displ.: 28.57
Disp: / Len: 300.39
Comfort Ratio: 21.09
Capsize Screening Formula: 2.16
S#: 1.77
Hull Speed: 6.26 kn
Pounds/Inch Immersion: 805.75 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 35.00 ft
J: 12.00 ft
P: 30.16 ft
E: 12.25 ft
S.A. Fore: 210.00 ft²
S.A. Main: 184.73 ft²
S.A. Total (100% Fore + Main Triangles): 394.73 ft²
S.A./Displ. (calc.): 17.31
Est. Forestay Length: 37.00 ft

Sailboat Links

Designers: Ted Irwin
Walter Scott
Builders: Irwin Yachts
Associations: Irwin Facebook Group
Irwin Yacht Owners
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