VIS IOVIS
ITA First 31.7Sail number ITA/ITA15075
GPH
683.9
OSN
659
LOA
9.61 m
Displacement
3891 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5791
Medium
0.8108
High
0.9584
Triple Offshore
Low
0.7471
Medium
0.999
High
1.142
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.95 m
- Displacement
- 3891 kg
- Crew weight
- 360 kg
- Wetted surface
- 21.77 m²
Sails
- Mainsail
- 23.87 m²
- Genoa
- 25.47 m²
- Spinnaker
- 58.9 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Benmteau
- Designer
- Finot
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.67 | 4.94 | 5.11 | 4.99 | 5.06 | 4.89 | 4.37 | 3.68 |
| 8 | 5.59 | 5.84 | 6.02 | 6.03 | 6.15 | 5.99 | 5.46 | 4.75 |
| 10 | 6.22 | 6.43 | 6.59 | 6.71 | 6.82 | 6.73 | 6.32 | 5.67 |
| 12 | 6.62 | 6.79 | 6.94 | 7.09 | 7.24 | 7.17 | 6.88 | 6.4 |
| 14 | 6.85 | 7.02 | 7.19 | 7.34 | 7.61 | 7.55 | 7.28 | 6.9 |
| 16 | 6.98 | 7.17 | 7.4 | 7.48 | 7.94 | 7.92 | 7.67 | 7.27 |
| 20 | 7.05 | 7.29 | 7.69 | 7.92 | 8.43 | 8.67 | 8.47 | 7.99 |
| 24 | 7.03 | 7.29 | 7.79 | 8.23 | 8.76 | 9.42 | 9.61 | 8.84 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 3.05 | 145.3° | 3.19 |
| 8 | 41.7° | 3.75 | 149.2° | 4.11 |
| 10 | 40.3° | 4.26 | 152.4° | 4.92 |
| 12 | 39° | 4.65 | 157.2° | 5.62 |
| 14 | 37.9° | 4.88 | 168.2° | 6.22 |
| 16 | 37.6° | 4.98 | 176.8° | 6.72 |
| 20 | 37.8° | 5.01 | 178.3° | 7.43 |
| 24 | 38.9° | 4.91 | 178.1° | 8.12 |
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