Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/Cbrd.
Rigging Type: Staysail Ketch
LOA: 45.50 ft / 13.87 m
LWL: 37.58 ft / 11.45 m
S.A. (reported): 858.00 ft² / 79.71 m²
Beam: 13.50 ft / 4.11 m
Displacement: 33,000.00 lb / 14,969 kg
Ballast: 12,000.00 lb / 5,443 kg
Max Draft: 10.92 ft / 3.33 m
Min Draft: 4.67 ft / 1.42 m
Construction: FG
First Built: 1980
Builder: Irwin Yachts (USA)
Designer: Ted Irwin

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Model: 4-154
Type: Diesel
Fuel: 190 gals / 719 L

Accomodations

Water: 190 gals / 719 L

Sailboat Calculations

Definitions
S.A. / Displ.: 13.40
Bal. / Displ.: 36.36
Disp: / Len: 277.58
Comfort Ratio: 39.87
Capsize Screening Formula: 1.69
S#: 1.60
Hull Speed: 8.21 kn
Pounds/Inch Immersion: 1,812.75 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 53.00 ft / 16.15 m
J: 19.50 ft / 5.94 m
P: 47.00 ft / 14.33 m
E: 14.50 ft / 4.42 m
PY: 28.75 ft / 8.76 m
EY: 9.75 ft / 2.97 m
S.A. Fore: 516.75 ft² / 48.01 m²
S.A. Main: 340.75 ft² / 31.66 m²
S.A. Total (100% Fore + Main Triangles): 857.50 ft² / 79.66 m²
S.A./Displ. (calc.): 13.39
Est. Forestay Length: 56.47 ft / 17.21 m
Mast Height from DWL: 58.00 ft / 17.68 m

Sailboat Links

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