NUR
ITA First 31.7Sail number ITA/ITA17143
GPH
684.4
OSN
661.4
LOA
9.61 m
Displacement
3747 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5814
Medium
0.8007
High
0.9334
Triple Offshore
Low
0.751
Medium
0.9966
High
1.1323
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3747 kg
- Crew weight
- 450 kg
- Wetted surface
- 21.71 m²
Sails
- Mainsail
- 23.92 m²
- Genoa
- 25.27 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 58.4 m²
Design
- Type
- First 31.7
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
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 | 4.68 | 4.94 | 5.11 | 5.08 | 5.1 | 4.91 | 4.39 | 3.72 |
| 8 | 5.61 | 5.87 | 6.04 | 6.13 | 6.2 | 6.01 | 5.5 | 4.77 |
| 10 | 6.24 | 6.45 | 6.61 | 6.78 | 6.86 | 6.75 | 6.36 | 5.62 |
| 12 | 6.63 | 6.8 | 6.95 | 7.16 | 7.28 | 7.2 | 6.91 | 6.26 |
| 14 | 6.85 | 7.02 | 7.2 | 7.42 | 7.65 | 7.59 | 7.31 | 6.7 |
| 16 | 6.97 | 7.17 | 7.41 | 7.57 | 8 | 7.99 | 7.7 | 7.03 |
| 20 | 7.04 | 7.27 | 7.67 | 7.93 | 8.58 | 8.81 | 8.52 | 7.62 |
| 24 | 7.02 | 7.28 | 7.77 | 8.22 | 8.98 | 9.84 | 9.72 | 8.24 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 3.05 | 144.7° | 3.22 |
| 8 | 41.9° | 3.76 | 146.3° | 4.13 |
| 10 | 40.3° | 4.27 | 146.8° | 4.87 |
| 12 | 38.9° | 4.66 | 147.3° | 5.42 |
| 14 | 37.9° | 4.88 | 149.4° | 5.8 |
| 16 | 37.6° | 4.97 | 173.2° | 6.32 |
| 20 | 37.8° | 5 | 177° | 7.07 |
| 24 | 39° | 4.9 | 176.8° | 7.65 |
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