NUR
ITA FIRST 31.7Sail number ITA/ITA17143
GPH
686.2
OSN
664.3
LOA
9.5 m
Displacement
3749 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6525
Medium
0.8971
High
1.0451
Triple Offshore
Low
0.8436
Medium
1.1178
High
1.2647
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.23 m
- Draft
- 1.92 m
- Displacement
- 3749 kg
- Crew weight
- 450 kg
- Wetted surface
- 21.89 m²
Sails
- Mainsail
- 23.83 m²
- Genoa
- 25.95 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 59.22 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 | 4.63 | 4.89 | 5.1 | 5.09 | 5.12 | 4.94 | 4.43 | 3.76 |
| 8 | 5.55 | 5.83 | 6.05 | 6.18 | 6.23 | 6.02 | 5.48 | 4.76 |
| 10 | 6.26 | 6.48 | 6.63 | 6.82 | 6.85 | 6.74 | 6.36 | 5.6 |
| 12 | 6.64 | 6.81 | 6.95 | 7.16 | 7.23 | 7.13 | 6.87 | 6.26 |
| 14 | 6.83 | 7 | 7.18 | 7.37 | 7.62 | 7.52 | 7.22 | 6.69 |
| 16 | 6.9 | 7.1 | 7.38 | 7.5 | 8.01 | 7.95 | 7.6 | 6.99 |
| 20 | 6.93 | 7.15 | 7.59 | 7.97 | 8.55 | 8.86 | 8.46 | 7.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.03 | 145.8° | 3.25 |
| 8 | 41.3° | 3.7 | 147° | 4.12 |
| 10 | 40.8° | 4.23 | 146.7° | 4.85 |
| 12 | 39.5° | 4.64 | 147.7° | 5.42 |
| 14 | 38.4° | 4.85 | 172° | 5.83 |
| 16 | 38° | 4.92 | 176.2° | 6.4 |
| 20 | 38.5° | 4.89 | 178.2° | 7.08 |
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