INCREIBLE
ESP FIRST 31.7Sail number ESP/ESP8043_C
GPH
669.5
OSN
646.7
LOA
9.61 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6002
Medium
0.8252
High
0.9566
Triple Offshore
Low
0.7726
Medium
1.0167
High
1.1479
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3712 kg
- Crew weight
- 300 kg
- Wetted surface
- 21.47 m²
Sails
- Mainsail
- 23.92 m²
- Genoa
- 26.3 m²
- Spinnaker
- 64.6 m²
- Asymmetric spinnaker
- 65.15 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.8 | 5.06 | 5.24 | 5.18 | 5.25 | 5.07 | 4.55 | 3.86 |
| 8 | 5.72 | 5.97 | 6.14 | 6.22 | 6.33 | 6.18 | 5.69 | 4.93 |
| 10 | 6.33 | 6.53 | 6.68 | 6.83 | 6.96 | 6.87 | 6.53 | 5.81 |
| 12 | 6.68 | 6.85 | 7.01 | 7.18 | 7.38 | 7.33 | 7.05 | 6.54 |
| 14 | 6.86 | 7.04 | 7.25 | 7.37 | 7.77 | 7.76 | 7.48 | 7.02 |
| 16 | 6.94 | 7.15 | 7.44 | 7.57 | 8.11 | 8.18 | 7.91 | 7.41 |
| 20 | 6.97 | 7.22 | 7.64 | 7.99 | 8.56 | 9.06 | 8.87 | 8.22 |
| 24 | 6.92 | 7.2 | 7.72 | 8.24 | 8.94 | 9.76 | 10.44 | 9.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.15 | 144.2° | 3.34 |
| 8 | 41.4° | 3.85 | 146.8° | 4.27 |
| 10 | 39.9° | 4.36 | 147.3° | 5.03 |
| 12 | 38.8° | 4.69 | 157.1° | 5.74 |
| 14 | 38.2° | 4.85 | 167.8° | 6.33 |
| 16 | 38.1° | 4.91 | 176.8° | 6.83 |
| 20 | 38.6° | 4.9 | 177.7° | 7.57 |
| 24 | 40° | 4.76 | 177° | 8.33 |
Loading polar chart…