RAFFICA
ITA FIRST 31.7Sail number ITA/ITA14661
GPH
667.2
OSN
647.8
LOA
9.5 m
Displacement
3895 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6861
Medium
0.9308
High
1.0626
Triple Offshore
Low
0.8824
Medium
1.1439
High
1.273
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.23 m
- Draft
- 1.93 m
- Displacement
- 3895 kg
- Crew weight
- 490 kg
- Wetted surface
- 22.36 m²
Sails
- Mainsail
- 26.46 m²
- Genoa
- 32.46 m²
- Spinnaker
- 61.34 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 | 4.97 | 5.23 | 5.43 | 5.37 | 5.17 | 5.02 | 4.54 | 3.86 |
| 8 | 5.9 | 6.16 | 6.34 | 6.31 | 6.28 | 6.12 | 5.59 | 4.89 |
| 10 | 6.48 | 6.66 | 6.8 | 6.81 | 6.89 | 6.8 | 6.45 | 5.77 |
| 12 | 6.71 | 6.89 | 7.06 | 7.1 | 7.26 | 7.19 | 6.93 | 6.51 |
| 14 | 6.79 | 6.98 | 7.24 | 7.36 | 7.63 | 7.58 | 7.28 | 6.94 |
| 16 | 6.83 | 7.03 | 7.35 | 7.6 | 7.95 | 7.99 | 7.68 | 7.27 |
| 20 | 6.82 | 7.04 | 7.43 | 7.93 | 8.3 | 8.73 | 8.6 | 8.04 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.28 | 146.5° | 3.34 |
| 8 | 40.8° | 3.95 | 150.6° | 4.24 |
| 10 | 40.3° | 4.46 | 152.8° | 5.01 |
| 12 | 39.4° | 4.7 | 157.7° | 5.72 |
| 14 | 38.9° | 4.79 | 180° | 6.35 |
| 16 | 38.8° | 4.82 | 180° | 6.82 |
| 20 | 39.3° | 4.78 | 180° | 7.48 |
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