FARR 1/2 TON (#65)

FARR 1/2 TON (#65)

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Lifting Keel
Rigging Type: Fractional Sloop
LOA: 31.25 ft
LWL: 23.92 ft
S.A. (reported): 512.00 ft²
Beam: 10.83 ft
Displacement: 5,139.00 lb
Ballast: 2,500.00 lb
Max Draft: 6.67 ft
Min Draft: 2.00 ft
Construction: FG w/kevlar
Ballast Type: Lead
First Built: 1976
Designer: Bruce Farr

Sailboat Calculations

Definitions
S.A. / Displ.: 27.59
Bal. / Displ.: 48.65
Disp: / Len: 167.63
Comfort Ratio: 12.73
Capsize Screening Formula: 2.51
S#: 3.69
Hull Speed: 6.55 kn
Pounds/Inch Immersion: 925.63 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 31.63 ft
J: 8.99 ft
P: 34.09 ft
E: 15.09 ft
S.A. Fore: 142.18 ft²
S.A. Main: 257.21 ft²
S.A. Total (100% Fore + Main Triangles): 399.39 ft²
S.A./Displ. (calc.): 21.52
Est. Forestay Length: 32.88 ft

Sailboat Links

Designers: Bruce Farr
Associations: Half Ton Class
Download Boat Record:

Notes

Though not produced in great numbers, this was a breakthrough racing design of the time.
1st('Gunboat Rangiriri'), 4th and 5th at 1977 1/2 ton cup(Sydney)
Early use of kevlar composite construction.