1972 Irwin 37
LOA
11.28m (37.0ft)
Beam
3.40m (11.2ft)
Displacement
7,484kg (16,499lbs)
Year
1972–1978
Manufacturer
Irwin
Full Specifications
| Specification | Metric | Imperial |
|---|---|---|
| Dimensions | ||
| Length Overall (LOA) | 11.28 m | 37.0 ft |
| Length Waterline (LWL) | 8.84 m | 29.0 ft |
| Beam | 3.40 m | 11.2 ft |
| Draft | 1.52 m | 5.0 ft |
| Mast Height | 14.50 m | 47.6 ft |
| Weight | ||
| Displacement | 7,484 kg | 16,499 lbs |
| Ballast | 2,948 kg | 6,499 lbs |
| Sailing | ||
| Sail Area | 57.6 m² | 620 ft² |
| Rig / Boat Type | Ketch | |
| Hull Material | Fiberglass | |
| Keel Type | Full | |
| Engine & Tanks | ||
| Engine | 25 HP | |
| Fuel Capacity | 114 L | 30.1 gal |
| Water Capacity | 189 L | 49.9 gal |
| Accommodation | ||
| Berths | 7 | |
| Cabins | 2 | |
| Design | ||
| Designer | Ted Irwin | |
| Country of Origin | USA | |
Performance Ratios
SA/D Ratio
15.29
Moderate — adequate for cruising
Ballast Ratio
39.4%
Moderate — good balance of stability and performance
Capsize Screening Ratio
0.70 Offshore Capable
Excellent — suitable for offshore passages
Lower is better. Values below 2.0 are considered suitable for offshore sailing.
Comfort Ratio
24.6
Moderate — acceptable for coastal cruising
About the 1972 Irwin 37
The Irwin 37 ketch is a sturdy and roomy cruiser designed for warm-weather sailing. Her ketch rig makes handling easy for a couple, while the spacious interior offers comfortable liveaboard potential.