VAYU
USA FIRST 40.7Sail number USA/USA51377
GPH
586.8
OSN
570.7
LOA
11.924 m
Displacement
6800 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6936
Medium
0.9382
High
1.0803
Triple Offshore
Low
0.8965
Medium
1.1522
High
1.2902
Boat Specifications
Dimensions
- Length overall
- 11.924 m
- Beam
- 3.77 m
- Draft
- 2.4 m
- Displacement
- 6800 kg
- Crew weight
- 800 kg
- Wetted surface
- 31.15 m²
Sails
- Mainsail
- 49.25 m²
- Genoa
- 54.34 m²
- Spinnaker
- 102.26 m²
- Asymmetric spinnaker
- 100.39 m²
Design
- Type
- FIRST 40.7
- Builder
- BENETEAU
- Designer
- BRUCE FARR
- Year built
- 1997
- Stability index
- 130.3
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 | 5.75 | 6.07 | 6.34 | 6.28 | 5.91 | 5.72 | 5.14 | 4.33 |
| 8 | 6.82 | 7.08 | 7.25 | 7.24 | 7.14 | 6.96 | 6.35 | 5.46 |
| 10 | 7.38 | 7.55 | 7.68 | 7.7 | 7.75 | 7.65 | 7.28 | 6.45 |
| 12 | 7.6 | 7.79 | 7.97 | 8.03 | 8.19 | 8.1 | 7.78 | 7.26 |
| 14 | 7.71 | 7.91 | 8.21 | 8.36 | 8.64 | 8.59 | 8.21 | 7.75 |
| 16 | 7.76 | 7.98 | 8.36 | 8.66 | 9.03 | 9.08 | 8.68 | 8.14 |
| 20 | 7.82 | 8.05 | 8.53 | 9.08 | 9.52 | 10.04 | 9.73 | 9.04 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.78 | 143.9° | 3.75 |
| 8 | 41.4° | 4.57 | 146.9° | 4.72 |
| 10 | 40° | 5.14 | 149.3° | 5.59 |
| 12 | 38.8° | 5.4 | 155.9° | 6.36 |
| 14 | 38.1° | 5.54 | 166.4° | 7 |
| 16 | 37.6° | 5.61 | 177.2° | 7.53 |
| 20 | 37.2° | 5.68 | 178.1° | 8.31 |
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