VIS IOVIS
ITA First 31.7Sail number ITA/ITA15075
GPH
681.5
OSN
656.8
LOA
9.61 m
Displacement
3891 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5818
Medium
0.8139
High
0.961
Triple Offshore
Low
0.7503
Medium
1.0021
High
1.1452
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.95 m
- Displacement
- 3891 kg
- Crew weight
- 400 kg
- Wetted surface
- 21.69 m²
Sails
- Mainsail
- 24.24 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
- Stability index
- 125.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.7 | 4.97 | 5.13 | 5.01 | 5.07 | 4.9 | 4.38 | 3.7 |
| 8 | 5.62 | 5.87 | 6.05 | 6.05 | 6.16 | 6.01 | 5.47 | 4.77 |
| 10 | 6.25 | 6.45 | 6.61 | 6.72 | 6.84 | 6.74 | 6.34 | 5.68 |
| 12 | 6.64 | 6.8 | 6.95 | 7.11 | 7.26 | 7.19 | 6.89 | 6.42 |
| 14 | 6.86 | 7.03 | 7.21 | 7.36 | 7.63 | 7.57 | 7.3 | 6.91 |
| 16 | 6.99 | 7.19 | 7.42 | 7.51 | 7.96 | 7.94 | 7.69 | 7.29 |
| 20 | 7.08 | 7.32 | 7.72 | 7.94 | 8.48 | 8.71 | 8.51 | 8.02 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.07 | 146° | 3.2 |
| 8 | 41.7° | 3.77 | 149.8° | 4.13 |
| 10 | 40.2° | 4.28 | 152.9° | 4.93 |
| 12 | 38.8° | 4.66 | 157.7° | 5.64 |
| 14 | 37.8° | 4.89 | 168.5° | 6.24 |
| 16 | 37.6° | 4.99 | 177.2° | 6.74 |
| 20 | 38.4° | 5.02 | 179° | 7.46 |
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