BALEK
ITA FIRST 31.7Sail number ITA/ITA16887
GPH
666.2
OSN
645.3
LOA
9.5 m
Displacement
3818 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6822
Medium
0.9352
High
1.0741
Triple Offshore
Low
0.8776
Medium
1.1478
High
1.2855
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.23 m
- Draft
- 1.92 m
- Displacement
- 3818 kg
- Crew weight
- 480 kg
- Wetted surface
- 22.11 m²
Sails
- Mainsail
- 25.88 m²
- Genoa
- 30.16 m²
- Spinnaker
- 63.51 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1996
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.88 | 5.15 | 5.36 | 5.3 | 5.21 | 5.05 | 4.57 | 3.89 |
| 8 | 5.82 | 6.09 | 6.29 | 6.25 | 6.32 | 6.16 | 5.64 | 4.93 |
| 10 | 6.45 | 6.64 | 6.77 | 6.84 | 6.92 | 6.83 | 6.49 | 5.82 |
| 12 | 6.74 | 6.9 | 7.05 | 7.13 | 7.3 | 7.22 | 6.96 | 6.54 |
| 14 | 6.85 | 7.04 | 7.26 | 7.34 | 7.68 | 7.63 | 7.32 | 6.97 |
| 16 | 6.9 | 7.09 | 7.42 | 7.61 | 8.01 | 8.06 | 7.74 | 7.31 |
| 20 | 6.9 | 7.12 | 7.55 | 8.02 | 8.41 | 8.84 | 8.69 | 8.1 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.21 | 146.3° | 3.37 |
| 8 | 41° | 3.89 | 150.4° | 4.27 |
| 10 | 40.4° | 4.43 | 152.5° | 5.05 |
| 12 | 38.9° | 4.75 | 157.8° | 5.75 |
| 14 | 38.3° | 4.87 | 180° | 6.38 |
| 16 | 38.1° | 4.91 | 180° | 6.84 |
| 20 | 39.1° | 4.84 | 180° | 7.52 |
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