A L'Assaut
USA Dufour 40 PerfSail number USA/USA52621
GPH
606.6
OSN
588.4
LOA
12.06 m
Displacement
7666 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6673
Medium
0.9029
High
1.0303
Triple Offshore
Low
0.8607
Medium
1.1191
High
1.2493
Boat Specifications
Dimensions
- Length overall
- 12.06 m
- Beam
- 3.89 m
- Draft
- 2.06 m
- Displacement
- 7666 kg
- Crew weight
- 775 kg
- Wetted surface
- 31.75 m²
Sails
- Mainsail
- 47.59 m²
- Genoa
- 40.16 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 108.92 m²
Design
- Type
- Dufour 40 Perf
- Builder
- Dufour Yachts
- Designer
- Felci
- Year built
- 2003
- Stability index
- 121.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.41 | 5.73 | 5.94 | 5.82 | 5.81 | 5.64 | 5.07 | 4.29 |
| 8 | 6.42 | 6.7 | 6.9 | 6.88 | 7 | 6.84 | 6.28 | 5.44 |
| 10 | 7.07 | 7.29 | 7.45 | 7.53 | 7.68 | 7.58 | 7.19 | 6.41 |
| 12 | 7.42 | 7.61 | 7.78 | 7.88 | 8.11 | 8.05 | 7.76 | 7.13 |
| 14 | 7.58 | 7.8 | 8.02 | 8.1 | 8.47 | 8.47 | 8.19 | 7.59 |
| 16 | 7.67 | 7.89 | 8.21 | 8.35 | 8.79 | 8.87 | 8.61 | 7.93 |
| 20 | 7.74 | 7.99 | 8.4 | 8.76 | 9.2 | 9.64 | 9.5 | 8.55 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 3.51 | 143.9° | 3.72 |
| 8 | 41.8° | 4.28 | 147.8° | 4.72 |
| 10 | 40.6° | 4.85 | 148.2° | 5.55 |
| 12 | 39.3° | 5.18 | 149.2° | 6.18 |
| 14 | 38.7° | 5.33 | 150.5° | 6.58 |
| 16 | 38.4° | 5.41 | 173.6° | 7.08 |
| 20 | 39° | 5.45 | 177.2° | 7.89 |
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