Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/CB & spade rudder
Rigging Type: Masthead Sloop
LOA: 7.01 m
LWL: 5.64 m
S.A. (reported): 23.78 m²
Beam: 2.44 m
Displacement: 1,451 kg
Ballast: 680 kg
Max Draft: 1.75 m
Min Draft: 0.74 m
Construction: FG
Ballast Type: Lead
First Built: 1968
Builder: Irwin Yacht & Marine Corporation (USA)
Designer: Ted Irwin

Accomodations

Headroom: 1.58 m

Sailboat Calculations

Definitions
S.A. / Displ.: 18.91
Bal. / Displ.: 46.88
Disp: / Len: 225.62
Comfort Ratio: 15.61
Capsize Screening Formula: 2.17
S#: 2.67
Hull Speed: 5.76 kn
Pounds/Inch Immersion: 528.82 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 8.69 m
J: 2.90 m
P: 7.62 m
E: 3.12 m
S.A. Fore: 12.58 m²
S.A. Main: 11.90 m²
S.A. Total (100% Fore + Main Triangles): 24.48 m²
S.A./Displ. (calc.): 19.47
Est. Forestay Length: 9.16 m
Mast Height from DWL: 9.60 m

Sailboat Links

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