HISTOLAB
ESP FIRST 40.7Sail number ESP/ESP5670
GPH
601
OSN
581.2
LOA
11.924 m
Displacement
6946 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6738
Medium
0.9229
High
1.0662
Triple Offshore
Low
0.8662
Medium
1.1304
High
1.2683
Boat Specifications
Dimensions
- Length overall
- 11.924 m
- Beam
- 3.77 m
- Draft
- 2.41 m
- Displacement
- 6946 kg
- Crew weight
- 750 kg
- Wetted surface
- 31.23 m²
Sails
- Mainsail
- 45.26 m²
- Genoa
- 36.41 m²
- Spinnaker
- 108.19 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 40.7
- Builder
- BENETEAU
- Designer
- B.FARR
- Year built
- 1997
- Stability index
- 123.7
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 | 5.48 | 5.75 | 5.93 | 5.8 | 5.8 | 5.63 | 5.06 | 4.25 |
| 8 | 6.48 | 6.73 | 6.89 | 6.87 | 7 | 6.84 | 6.29 | 5.42 |
| 10 | 7.12 | 7.3 | 7.44 | 7.51 | 7.67 | 7.58 | 7.18 | 6.43 |
| 12 | 7.45 | 7.62 | 7.78 | 7.82 | 8.1 | 8.05 | 7.74 | 7.22 |
| 14 | 7.61 | 7.81 | 8.02 | 8.09 | 8.45 | 8.47 | 8.17 | 7.73 |
| 16 | 7.69 | 7.91 | 8.22 | 8.36 | 8.73 | 8.86 | 8.61 | 8.14 |
| 20 | 7.77 | 8.01 | 8.42 | 8.79 | 9.11 | 9.54 | 9.56 | 8.97 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.61 | 143.3° | 3.68 |
| 8 | 40.6° | 4.4 | 147.8° | 4.69 |
| 10 | 39° | 4.97 | 151.4° | 5.57 |
| 12 | 37.8° | 5.29 | 156.5° | 6.33 |
| 14 | 37.2° | 5.44 | 164.6° | 6.95 |
| 16 | 37.6° | 5.51 | 175.4° | 7.5 |
| 20 | 37.6° | 5.56 | 178.1° | 8.29 |
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