JONATAN
ITA First 31.7Sail number ITA/ITA14379
GPH
678.6
OSN
654.9
LOA
9.61 m
Displacement
3599 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5793
Medium
0.815
High
0.9672
Triple Offshore
Low
0.7511
Medium
1.0072
High
1.1552
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3599 kg
- Crew weight
- 600 kg
- Wetted surface
- 21.26 m²
Sails
- Mainsail
- 24.41 m²
- Genoa
- 27.57 m²
- Spinnaker
- 49.16 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
- Stability index
- 118.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.73 | 5.02 | 5.23 | 5.15 | 5.04 | 4.87 | 4.34 | 3.68 |
| 8 | 5.68 | 6 | 6.22 | 6.16 | 6.19 | 6 | 5.4 | 4.73 |
| 10 | 6.36 | 6.58 | 6.75 | 6.81 | 6.87 | 6.76 | 6.31 | 5.63 |
| 12 | 6.74 | 6.9 | 7.04 | 7.19 | 7.27 | 7.18 | 6.88 | 6.41 |
| 14 | 6.94 | 7.11 | 7.29 | 7.48 | 7.68 | 7.56 | 7.25 | 6.9 |
| 16 | 7.04 | 7.25 | 7.53 | 7.65 | 8.1 | 7.98 | 7.64 | 7.25 |
| 20 | 7.09 | 7.33 | 7.81 | 8.18 | 8.76 | 8.89 | 8.52 | 8.01 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 3.07 | 146.6° | 3.19 |
| 8 | 42.6° | 3.75 | 150.5° | 4.09 |
| 10 | 41.4° | 4.29 | 152.9° | 4.89 |
| 12 | 39.6° | 4.72 | 156.5° | 5.61 |
| 14 | 38.4° | 4.96 | 168.2° | 6.24 |
| 16 | 37.9° | 5.05 | 177.2° | 6.75 |
| 20 | 38.4° | 5.07 | 179° | 7.43 |
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