HOPPER
ESP FIRST 31.7Sail number ESP/ESP5422_C
GPH
666.9
OSN
644.8
LOA
9.61 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.598
Medium
0.8301
High
0.9623
Triple Offshore
Low
0.7736
Medium
1.0215
High
1.1536
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3712 kg
- Crew weight
- 420 kg
- Wetted surface
- 21.42 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
- 121.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.87 | 5.16 | 5.38 | 5.29 | 5.19 | 5.02 | 4.51 | 3.8 |
| 8 | 5.8 | 6.09 | 6.3 | 6.27 | 6.33 | 6.16 | 5.6 | 4.86 |
| 10 | 6.45 | 6.64 | 6.79 | 6.86 | 6.95 | 6.86 | 6.49 | 5.79 |
| 12 | 6.77 | 6.93 | 7.08 | 7.19 | 7.35 | 7.28 | 7 | 6.56 |
| 14 | 6.9 | 7.09 | 7.31 | 7.4 | 7.77 | 7.7 | 7.39 | 7.01 |
| 16 | 6.96 | 7.17 | 7.52 | 7.69 | 8.16 | 8.16 | 7.84 | 7.38 |
| 20 | 6.99 | 7.22 | 7.7 | 8.18 | 8.6 | 9.08 | 8.85 | 8.24 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.17 | 146° | 3.29 |
| 8 | 41.4° | 3.86 | 150.2° | 4.21 |
| 10 | 40.6° | 4.41 | 152° | 5.03 |
| 12 | 39.3° | 4.76 | 157.4° | 5.76 |
| 14 | 38.4° | 4.9 | 169.4° | 6.37 |
| 16 | 38.2° | 4.96 | 177.2° | 6.85 |
| 20 | 38.8° | 4.92 | 178.1° | 7.57 |
Loading polar chart…