The Irwin 37 mark 4 is a 37.01ft cutter designed by Ted Irwin and built in fiberglass by Irwin Yachts between 1977 and 1982.
It accomodates 5 people in 2 cabins plus salon.
The Irwin 37 mark 4 is a heavy sailboat which is under powered. It is reasonably stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat. The fuel capacity is average. There is a good water supply range.
Main features
| Model | Irwin 37 mark 4 | ||
| Length | 37.01 ft | ||
| Beam | 11.52 ft | ||
| Draft | 5.51 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 30000 |
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Ratios
| Sail area / displ. | 13.67 | ||
| Ballast / displ. | 33.50 % | ||
| Displ. / length | 330.69 | ||
| Comfort ratio | 37.23 | ||
| Capsize | 1.70 |
Hull
| Hull type | Monohull fin keel with rudder on skeg | ||
| Construction | Fiberglass | ||
| Waterline length | 29.99 ft | ||
| Maximum draft | 5.51 ft | ||
| Displacement | 19995.90 lbs | ||
| Ballast | 6702.04 lbs | ||
| Hull speed | 7.34 knots |
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Rigging
| Rigging | Cutter | ||
| Sail area (100%) | 627 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 367.48 sq.ft | ||
| Sail area main | 259.84 sq.ft | ||
| I | 41.99 ft | ||
| J | 17.49 ft | ||
| P | 35.60 ft | ||
| E | 14.60 ft |
Engine
| Nb engines | 1 | ||
| Total power | 40 HP | ||
| Fuel capacity | 55 gals |
Accommodations
| Water capacity | 187 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 2 | ||
| Nb of berths | 5 | ||
| Nb heads | 2 |
Builder data
| Builder | Irwin Yachts | ||
| Designer | Ted Irwin | ||
| First built | 1977 | ||
| Last built | 1982 | ||
| Number built | 0 | ?? |
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