SFERIKA
ITA First 31.7Sail number ITA/ITA14669
GPH
678.8
OSN
655.7
LOA
9.61 m
Displacement
3921 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5907
Medium
0.8147
High
0.941
Triple Offshore
Low
0.7614
Medium
1.004
High
1.128
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3921 kg
- Crew weight
- 460 kg
- Wetted surface
- 22.06 m²
Sails
- Mainsail
- 25.27 m²
- Genoa
- 25.66 m²
- Spinnaker
- 61.04 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
- Stability index
- 107.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.78 | 5.04 | 5.21 | 5.09 | 5.15 | 4.97 | 4.45 | 3.76 |
| 8 | 5.68 | 5.94 | 6.12 | 6.12 | 6.24 | 6.09 | 5.56 | 4.84 |
| 10 | 6.28 | 6.49 | 6.66 | 6.75 | 6.89 | 6.8 | 6.41 | 5.76 |
| 12 | 6.62 | 6.8 | 6.98 | 7.07 | 7.29 | 7.24 | 6.95 | 6.48 |
| 14 | 6.78 | 6.98 | 7.2 | 7.28 | 7.64 | 7.62 | 7.35 | 6.97 |
| 16 | 6.84 | 7.06 | 7.37 | 7.52 | 7.93 | 7.99 | 7.75 | 7.34 |
| 20 | 6.87 | 7.12 | 7.53 | 7.89 | 8.28 | 8.66 | 8.6 | 8.1 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 3.12 | 145.7° | 3.26 |
| 8 | 41.4° | 3.81 | 149.8° | 4.2 |
| 10 | 40.2° | 4.3 | 153.2° | 5 |
| 12 | 39.3° | 4.61 | 157.7° | 5.7 |
| 14 | 38.8° | 4.74 | 170° | 6.3 |
| 16 | 38.8° | 4.79 | 177.2° | 6.8 |
| 20 | 39.4° | 4.77 | 179° | 7.52 |
Loading polar chart…