SFERIKA
ITA FIRST 31.7Sail number ITA/ITA14669
GPH
673.8
OSN
653
LOA
9.5 m
Displacement
3920 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6737
Medium
0.9224
High
1.0601
Triple Offshore
Low
0.8672
Medium
1.1355
High
1.2702
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.23 m
- Draft
- 1.93 m
- Displacement
- 3920 kg
- Crew weight
- 460 kg
- Wetted surface
- 22.38 m²
Sails
- Mainsail
- 26.2 m²
- Genoa
- 28.68 m²
- Spinnaker
- 60.2 m²
- Asymmetric spinnaker
- 0 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 | 4.82 | 5.08 | 5.29 | 5.23 | 5.16 | 5 | 4.52 | 3.84 |
| 8 | 5.74 | 6.02 | 6.23 | 6.19 | 6.27 | 6.1 | 5.57 | 4.87 |
| 10 | 6.39 | 6.59 | 6.73 | 6.81 | 6.88 | 6.79 | 6.43 | 5.75 |
| 12 | 6.68 | 6.85 | 7.01 | 7.1 | 7.25 | 7.18 | 6.92 | 6.49 |
| 14 | 6.78 | 6.98 | 7.2 | 7.29 | 7.62 | 7.56 | 7.27 | 6.92 |
| 16 | 6.83 | 7.03 | 7.35 | 7.54 | 7.94 | 7.97 | 7.66 | 7.25 |
| 20 | 6.82 | 7.05 | 7.45 | 7.92 | 8.31 | 8.71 | 8.56 | 8.01 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.17 | 146.6° | 3.33 |
| 8 | 41° | 3.84 | 150.6° | 4.22 |
| 10 | 40.5° | 4.35 | 152.9° | 5 |
| 12 | 39.5° | 4.67 | 157.6° | 5.7 |
| 14 | 39° | 4.77 | 180° | 6.33 |
| 16 | 39° | 4.81 | 180° | 6.81 |
| 20 | 39.5° | 4.78 | 180° | 7.46 |
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