Sailboat Specifications
DefinitionsHull Type: | Fin with rudder on skeg |
Rigging Type: | Masthead Sloop |
LOA: | 37.00 ft / 11.28 m |
LWL: | 30.00 ft / 9.14 m |
S.A. (reported): | 558.00 ft² / 51.84 m² |
Beam: | 11.50 ft / 3.51 m |
Displacement: | 18,000.00 lb / 8,165 kg |
Ballast: | 6,700.00 lb / 3,039 kg |
Max Draft: | 5.50 ft / 1.68 m |
Construction: | FG |
First Built: | 1971 |
Last Built: | 1975 |
Builder: | Irwin Yachts (USA) |
Designer: | Ted Irwin |
Auxiliary Power/Tanks (orig. equip.)
Make: | Perkins |
Model: | 4-107 |
Type: | Diesel |
HP: | 40 |
Fuel: | 80 gals / 303 L |
Accommodations
Water: | 50 gals / 189 L |
Sailboat Calculations
DefinitionsS.A. / Displ.: | 13.05 |
Bal. / Displ.: | 37.22 |
Disp: / Len: | 297.62 |
Comfort Ratio: | 33.51 |
Capsize Screening Formula: | 1.76 |
S#: | 1.43 |
Hull Speed: | 7.34 kn |
Pounds/Inch Immersion: | 1,232.72 pounds/inch |
Rig and Sail Particulars
HELPI: | 42.00 ft / 12.80 m |
J: | 14.33 ft / 4.37 m |
P: | 35.50 ft / 10.82 m |
E: | 14.50 ft / 4.42 m |
S.A. Fore: | 300.93 ft² / 27.96 m² |
S.A. Main: | 257.38 ft² / 23.91 m² |
S.A. Total (100% Fore + Main Triangles): | 558.31 ft² / 51.87 m² |
S.A./Displ. (calc.): | 13.06 |
Est. Forestay Length: | 44.38 ft / 13.53 m |
Sailboat Links
Designers: | Ted Irwin |
Builders: | Irwin Yachts |
Associations: | Irwin Facebook Group |
Irwin Yacht Owners | |
Related Sailboats: | IRWIN 37-5 |
IRWIN 37-3 | |
Download Boat Record: |
Notes
Introduced in 1971 it was one of this builders most successful models though undergoing numerous changes until production ended in 1982. It's been said that nearly nearly 600 were sold.
Available as sloop, cutter or ketch.
KEEL OPTIONS:
Shoal draft fixed keel: 4.92'
Keel/cb version: (draft: 4.0' board up)
Also available with a 50 HP Perkins 4-108
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IRWIN 37-2 (1976 - bowsprit added which continued for all remaining models.)
IRWIN 37-3
IRWIN 37-4 (1977)
IRWIN 37-5 (1982 last model year).
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