DUFOUR 31
Masthead Sloop • Fin with rudder on skeg • Built 1973
Dimensions
- LOA
- 30.83 ft
- LWL
- 23 ft
- Beam
- 10.5 ft
- Max Draft
- 5.67 ft
- Displacement
- 9,600 lbs
- Ballast
- 3,696 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 1.98 (offshore safe)
- SA/D Ratio ⓘ
- 14.0
- D/L Ratio ⓘ
- 352
- Ballast Ratio ⓘ
- 38.5%
Sail Plan
- Sail Area
- 395 sq ft
- I
- 37.6 ft
- J
- 11.97 ft
- P
- 33.3 ft
- E
- 10.2 ft
Construction
- Hull Type
- Fin with rudder on skeg
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1973
- Last Built
- —
- Number Built
- 900
Engine & Accommodations
- Engine Make
- Volvo
- Engine Model
- MD7A/MD2B
- Engine Type
- Diesel
- Water
- 20 gal
- Fuel
- 13 gal
Notes: Not to be confused with the DUFOUR 3800 AKA DUFOUR 31 FRERS (1980).\n\nTall Rig-\nI: 41.20'\t\nJ: 11.97'\nP: 36.90'\nE: 10.20'\n\nShallow draft: 4.75'\nOne owner reports Volvo MD2B as original engine.\nIt has been further reported that the Volvo Penta MD11c/d was the most commonly installed engine throughout the model run.
Designer
Builder
- Dufour Yachts (FRA) (1964)