A L'Assaut
USA Dufour 40 PSail number USA/USA52621
GPH
609.6
OSN
592.5
LOA
12.06 m
Displacement
7667 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6571
Medium
0.894
High
1.0278
Triple Offshore
Low
0.8529
Medium
1.1145
High
1.2478
Boat Specifications
Dimensions
- Length overall
- 12.06 m
- Beam
- 3.89 m
- Draft
- 2.06 m
- Displacement
- 7667 kg
- Crew weight
- 762 kg
- Wetted surface
- 31.73 m²
Sails
- Mainsail
- 47.59 m²
- Genoa
- 40.16 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 108.92 m²
Design
- Type
- Dufour 40 P
- Builder
- Dufour Yachts
- Designer
- Felci
- Year built
- 2003
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.29 | 5.63 | 5.92 | 5.86 | 5.83 | 5.66 | 5.09 | 4.31 |
| 8 | 6.29 | 6.65 | 6.94 | 6.96 | 7.06 | 6.88 | 6.26 | 5.4 |
| 10 | 7.05 | 7.31 | 7.49 | 7.61 | 7.71 | 7.61 | 7.21 | 6.36 |
| 12 | 7.44 | 7.63 | 7.8 | 7.94 | 8.11 | 8.03 | 7.74 | 7.13 |
| 14 | 7.6 | 7.81 | 8.04 | 8.11 | 8.51 | 8.45 | 8.13 | 7.56 |
| 16 | 7.67 | 7.9 | 8.23 | 8.39 | 8.85 | 8.9 | 8.56 | 7.89 |
| 20 | 7.71 | 7.96 | 8.42 | 8.86 | 9.27 | 9.72 | 9.47 | 8.51 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.43 | 144° | 3.73 |
| 8 | 42° | 4.15 | 148° | 4.68 |
| 10 | 42° | 4.73 | 148° | 5.51 |
| 12 | 40.5° | 5.14 | 149° | 6.17 |
| 14 | 39.8° | 5.31 | 151.5° | 6.58 |
| 16 | 39.8° | 5.38 | 176° | 7.15 |
| 20 | 39.8° | 5.38 | 178° | 7.92 |
Loading polar chart…