IRWIN 37-4
Cutter
• Fin with rudder on skeg
• Built 1977–1982
Dimensions
- LOA
- 37 ft
- LWL
- 30 ft
- Beam
- 11.5 ft
- Max Draft
- 5.5 ft
- Displacement
- 20,000 lbs
- Ballast
- 6,700 lbs
Performance Ratios
-
Capsize Ratio ⓘ
-
1.70
(offshore safe)
-
SA/D Ratio ⓘ
- 13.6
-
D/L Ratio ⓘ
- 331
- Ballast Ratio ⓘ
-
33.5%
Sail Plan
- Sail Area
- 627 sq ft
- I
- 42 ft
- J
- 17.5 ft
- P
- 35.6 ft
- E
- 14.6 ft
Construction
- Hull Type
- Fin with rudder on skeg
- Rig Type
- Cutter
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1977
- Last Built
- 1982
- Number Built
- —
Engine & Accommodations
- Engine Make
- Perkins
- Engine Type
- Diesel
- Water
- 187 gal
- Fuel
- 55 gal
Notes:
Shoal draft: 4.0'
Ketch Rig:
I: 42.0'
J: 17.5'
P: 35.6'
E: 12.5'
PY: 22.16'
EY: 8.33'
✓
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