ROBELJO
ITA FIRST 31.7Sail number ITA/ITA14045
GPH
678
OSN
655.7
LOA
9.5 m
Displacement
4026 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6659
Medium
0.9185
High
1.0648
Triple Offshore
Low
0.8565
Medium
1.1304
High
1.2727
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.23 m
- Draft
- 1.93 m
- Displacement
- 4026 kg
- Crew weight
- 550 kg
- Wetted surface
- 22.56 m²
Sails
- Mainsail
- 25.66 m²
- Genoa
- 28.23 m²
- Spinnaker
- 60.32 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1990
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.75 | 5 | 5.2 | 5.14 | 5.1 | 4.95 | 4.48 | 3.79 |
| 8 | 5.66 | 5.93 | 6.14 | 6.11 | 6.2 | 6.04 | 5.51 | 4.82 |
| 10 | 6.34 | 6.53 | 6.68 | 6.77 | 6.84 | 6.75 | 6.39 | 5.7 |
| 12 | 6.67 | 6.83 | 6.97 | 7.09 | 7.22 | 7.14 | 6.89 | 6.45 |
| 14 | 6.81 | 6.99 | 7.18 | 7.24 | 7.58 | 7.5 | 7.23 | 6.9 |
| 16 | 6.86 | 7.06 | 7.35 | 7.5 | 7.92 | 7.92 | 7.6 | 7.22 |
| 20 | 6.88 | 7.09 | 7.49 | 7.92 | 8.3 | 8.7 | 8.47 | 7.95 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 3.13 | 146.7° | 3.29 |
| 8 | 40.8° | 3.79 | 150.7° | 4.18 |
| 10 | 40.6° | 4.31 | 152.6° | 4.95 |
| 12 | 39.4° | 4.68 | 157.2° | 5.66 |
| 14 | 38.6° | 4.82 | 180° | 6.29 |
| 16 | 38.3° | 4.87 | 180° | 6.77 |
| 20 | 39° | 4.83 | 180° | 7.41 |
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