SPANKER
USA FIRST 40.7Sail number USA/USA51196
GPH
585.4
OSN
570.4
LOA
11.924 m
Displacement
6800 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.699
Medium
0.9381
High
1.076
Triple Offshore
Low
0.9033
Medium
1.1524
High
1.2872
Boat Specifications
Dimensions
- Length overall
- 11.924 m
- Beam
- 3.77 m
- Draft
- 2.4 m
- Displacement
- 6800 kg
- Crew weight
- 731 kg
- Wetted surface
- 31.08 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
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 | 5.84 | 6.17 | 6.44 | 6.4 | 5.91 | 5.71 | 5.14 | 4.33 |
| 8 | 6.9 | 7.14 | 7.31 | 7.31 | 7.12 | 6.93 | 6.33 | 5.45 |
| 10 | 7.4 | 7.58 | 7.72 | 7.75 | 7.74 | 7.63 | 7.25 | 6.45 |
| 12 | 7.59 | 7.78 | 8 | 8.08 | 8.17 | 8.08 | 7.77 | 7.26 |
| 14 | 7.68 | 7.88 | 8.21 | 8.39 | 8.61 | 8.55 | 8.19 | 7.74 |
| 16 | 7.73 | 7.95 | 8.34 | 8.68 | 9 | 9.04 | 8.66 | 8.13 |
| 20 | 7.78 | 8 | 8.47 | 9.03 | 9.47 | 9.92 | 9.7 | 9.02 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.85 | 144.5° | 3.75 |
| 8 | 41.2° | 4.64 | 149° | 4.72 |
| 10 | 39.8° | 5.16 | 151° | 5.59 |
| 12 | 38.2° | 5.39 | 156° | 6.35 |
| 14 | 38.2° | 5.5 | 171° | 7.01 |
| 16 | 37.9° | 5.56 | 180° | 7.55 |
| 20 | 37.5° | 5.63 | 180° | 8.34 |
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