ERA ORA
ITA Dufour 310 GLSail number ITA/ITA17722
GPH
691.9
OSN
674.4
LOA
9.35 m
Displacement
4891 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5609
Medium
0.7771
High
0.9394
Triple Offshore
Low
0.7425
Medium
0.9827
High
1.1355
Boat Specifications
Dimensions
- Length overall
- 9.35 m
- Beam
- 3.31 m
- Draft
- 1.9 m
- Displacement
- 4891 kg
- Crew weight
- 500 kg
- Wetted surface
- 24.09 m²
Sails
- Mainsail
- 30.03 m²
- Genoa
- 25.29 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Dufour 310 GL
- Builder
- Dufour
- Designer
- Felci
- Year built
- 2004
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.59 | 5.03 | 5.48 | 5.58 | 5.24 | 4.85 | 4.3 | 3.64 |
| 8 | 5.53 | 5.98 | 6.42 | 6.52 | 6.24 | 5.87 | 5.34 | 4.62 |
| 10 | 6.27 | 6.62 | 6.89 | 6.99 | 6.81 | 6.65 | 6.21 | 5.43 |
| 12 | 6.68 | 6.93 | 7.18 | 7.29 | 7.15 | 7.06 | 6.79 | 6.13 |
| 14 | 6.87 | 7.12 | 7.42 | 7.59 | 7.47 | 7.38 | 7.13 | 6.63 |
| 16 | 7.02 | 7.23 | 7.64 | 7.9 | 7.83 | 7.73 | 7.43 | 6.95 |
| 20 | 7.15 | 7.39 | 7.89 | 8.45 | 8.61 | 8.51 | 8.12 | 7.44 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45° | 2.93 | 145° | 3.15 |
| 8 | 42.9° | 3.57 | 147° | 4 |
| 10 | 42° | 4.06 | 147.5° | 4.7 |
| 12 | 41.6° | 4.49 | 147.8° | 5.31 |
| 14 | 39.8° | 4.82 | 172.5° | 5.85 |
| 16 | 39° | 5 | 175° | 6.42 |
| 20 | 39° | 5.07 | 178° | 7.1 |
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