IRWIN MINI-TON

IRWIN MINI-TON
IRWIN MINI-TON

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Lifting Keel
Rigging Type: Fractional Sloop
LOA: 6.34 m
LWL: 5.03 m
S.A. (reported): 19.14 m²
Beam: 2.44 m
Displacement: 862 kg
Ballast: 349 kg
Max Draft: 1.37 m
Min Draft: 0.24 m
Construction: FG
First Built: 1978
Builder: Irwin Yachts (USA)
Designer: Irwin/Rogers

Sailboat Calculations

Definitions
S.A. / Displ.: 21.53
Bal. / Displ.: 40.53
Disp: / Len: 188.82
Comfort Ratio: 10.34
Capsize Screening Formula: 2.59
S#: 3.37
Hull Speed: 5.44 kn
Pounds/Inch Immersion: 471.65 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 7.47 m
J: 2.44 m
P: 7.47 m
E: 2.69 m
S.A. Fore: 9.10 m²
S.A. Main: 10.06 m²
S.A. Total (100% Fore + Main Triangles): 19.16 m²
S.A./Displ. (calc.): 21.56
Est. Forestay Length: 7.85 m

Sailboat Links

Designers: O. H. Rodgers
Ted Irwin
Builders: Irwin Yachts
Associations: Irwin Facebook Group
Irwin Yacht Owners
Mini Ton Class
Download Boat Record:

Notes

The IRWIN MINI-TON (<16.5' IOR) is thought to be similar to the IRWIN FREE SPIRIT.