IRWIN 40 MKII

IRWIN 40 MKII

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 40.83 ft / 12.44 m
LWL: 31.17 ft / 9.50 m
S.A. (reported): 737.00 ft² / 68.47 m²
Beam: 12.17 ft / 3.71 m
Displacement: 16,890.00 lb / 7,661 kg
Ballast: 6,500.00 lb / 2,948 kg
Max Draft: 6.25 ft / 1.91 m
Construction: FG
Ballast Type: Lead
First Built: 1980
Builder: Irwin Yachts (USA)
Designer: Ted Irwin

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 2QM20
Type: Diesel
Fuel: 40 gals / 151 L

Accomodations

Water: 100 gals / 379 L

Sailboat Calculations

Definitions
S.A. / Displ.: 17.98
Bal. / Displ.: 38.48
Disp: / Len: 248.98
Comfort Ratio: 27.47
Capsize Screening Formula: 1.90
S#: 2.28
Hull Speed: 7.48 kn
Pounds/Inch Immersion: 1,355.42 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 50.00 ft / 15.24 m
J: 16.50 ft / 5.03 m
P: 44.00 ft / 13.41 m
E: 14.75 ft / 4.50 m
S.A. Fore: 412.50 ft² / 38.32 m²
S.A. Main: 324.50 ft² / 30.15 m²
S.A. Total (100% Fore + Main Triangles): 737.00 ft² / 68.47 m²
S.A./Displ. (calc.): 17.98
Est. Forestay Length: 52.65 ft / 16.05 m

Sailboat Links

Associations: Irwin Facebook Group
Irwin Yacht Owners
Download Boat Record:

Notes

Shoal Draft vers: 4.25' Bal. 7000 lbs.
Keel/CB vers: BU 4.25' BD 9.5'. Bal. 7000 lbs.
Similar to IRWIN 39/40 CITATION.