Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Staysail Ketch
LOA: 52.00 ft
LWL: 44.00 ft
S.A. (reported): 1,370.00 ft²
Beam: 15.33 ft
Displacement: 55,000.00 lb
Ballast: 16,100.00 lb
Max Draft: 7.00 ft
Construction: FG
First Built: 1976
Last Built: 1985
# Built: 250
Builder: Irwin Yachts (USA)
Designer: Ted Irwin

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Model: 4-236
Type: Diesel
HP: 85

Sailboat Calculations

Definitions
S.A. / Displ.: 15.22
Bal. / Displ.: 29.27
Disp: / Len: 288.24
Comfort Ratio: 48.32
Capsize Screening Formula: 1.62
S#: 1.51
Hull Speed: 8.89 kn
Pounds/Inch Immersion: 2,410.13 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 59.33 ft
J: 22.21 ft
P: 53.50 ft
E: 20.00 ft
PY: 32.00 ft
EY: 11.00 ft
S.A. Fore: 658.86 ft²
S.A. Main: 535.00 ft²
S.A. Total (100% Fore + Main Triangles): 1,193.86 ft²
S.A./Displ. (calc.): 13.27
Est. Forestay Length: 63.35 ft
Mast Height from DWL: 67.00 ft

Sailboat Links

Designers: Ted Irwin
Builders: Irwin Yachts
Associations: Irwin Facebook Group
Irwin Yacht Owners
Download Boat Record:

Notes

A Mark II version was introduced in 1982.
The 52 was replaced by the 54 in 1988.
Keel/CB: BD: 12.3'/BU: 5.3'

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