HOPPER
ESP FIRST 31.7Sail number ESP/ESP5422_C
GPH
664.6
OSN
642.1
LOA
9.61 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.605
Medium
0.8346
High
0.9668
Triple Offshore
Low
0.7792
Medium
1.0236
High
1.1551
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3712 kg
- Crew weight
- 420 kg
- Wetted surface
- 21.57 m²
Sails
- Mainsail
- 25.79 m²
- Genoa
- 28.62 m²
- Spinnaker
- 60.27 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 119.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.99 | 5.25 | 5.41 | 5.28 | 5.17 | 4.99 | 4.47 | 3.75 |
| 8 | 5.9 | 6.13 | 6.28 | 6.22 | 6.27 | 6.12 | 5.58 | 4.84 |
| 10 | 6.46 | 6.64 | 6.78 | 6.8 | 6.92 | 6.83 | 6.43 | 5.77 |
| 12 | 6.77 | 6.93 | 7.09 | 7.16 | 7.34 | 7.28 | 6.98 | 6.51 |
| 14 | 6.93 | 7.11 | 7.33 | 7.4 | 7.73 | 7.68 | 7.39 | 7 |
| 16 | 7 | 7.21 | 7.52 | 7.66 | 8.07 | 8.08 | 7.81 | 7.38 |
| 20 | 7.06 | 7.29 | 7.73 | 8.08 | 8.55 | 8.9 | 8.72 | 8.17 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.28 | 145.7° | 3.25 |
| 8 | 41.1° | 3.99 | 149.6° | 4.19 |
| 10 | 39.4° | 4.5 | 152.3° | 5.01 |
| 12 | 38.2° | 4.8 | 157.7° | 5.72 |
| 14 | 37.6° | 4.93 | 169.4° | 6.32 |
| 16 | 37.6° | 4.99 | 177.2° | 6.82 |
| 20 | 37.8° | 5.01 | 178.1° | 7.57 |
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