SPANKER
USA FIRST 40.7Sail number USA/USA51196
GPH
580.9
OSN
564.4
LOA
11.924 m
Displacement
6800 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7073
Medium
0.9512
High
1.0936
Triple Offshore
Low
0.9103
Medium
1.1615
High
1.299
Boat Specifications
Dimensions
- Length overall
- 11.924 m
- Beam
- 3.77 m
- Draft
- 2.4 m
- Displacement
- 6800 kg
- Crew weight
- 1000 kg
- Wetted surface
- 31.23 m²
Sails
- Mainsail
- 49.34 m²
- Genoa
- 56.09 m²
- Spinnaker
- 101.75 m²
- Asymmetric spinnaker
- 93.21 m²
Design
- Type
- FIRST 40.7
- Builder
- BENETEAU
- Designer
- BRUCE FARR
- Year built
- 1997
- Stability index
- 129.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.03 | 6.32 | 6.5 | 6.37 | 5.88 | 5.69 | 5.08 | 4.25 |
| 8 | 6.99 | 7.19 | 7.3 | 7.25 | 7.07 | 6.89 | 6.3 | 5.42 |
| 10 | 7.46 | 7.62 | 7.73 | 7.72 | 7.73 | 7.6 | 7.18 | 6.43 |
| 12 | 7.69 | 7.86 | 8.02 | 8.06 | 8.18 | 8.08 | 7.74 | 7.22 |
| 14 | 7.8 | 8 | 8.26 | 8.37 | 8.59 | 8.53 | 8.17 | 7.73 |
| 16 | 7.88 | 8.09 | 8.41 | 8.63 | 8.96 | 8.96 | 8.61 | 8.14 |
| 20 | 7.97 | 8.2 | 8.61 | 9.03 | 9.57 | 9.89 | 9.59 | 8.97 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 4 | 143.3° | 3.68 |
| 8 | 40.2° | 4.8 | 148.4° | 4.7 |
| 10 | 38.1° | 5.31 | 152° | 5.58 |
| 12 | 37.2° | 5.54 | 156.8° | 6.34 |
| 14 | 36.6° | 5.66 | 166.4° | 6.97 |
| 16 | 36.4° | 5.74 | 177.2° | 7.52 |
| 20 | 36.3° | 5.81 | 179° | 8.32 |
Loading polar chart…