ENASTROS
GRE DUFOUR 31Sail number GRE/GRE1849
GPH
791.8
OSN
763.1
LOA
9.363 m
Displacement
4355 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5586
Medium
0.7868
High
0.9421
Triple Offshore
Low
0.7198
Medium
0.9719
High
1.1204
Boat Specifications
Dimensions
- Length overall
- 9.363 m
- Beam
- 3.17 m
- Draft
- 1.76 m
- Displacement
- 4355 kg
- Crew weight
- 433 kg
- Wetted surface
- 20.38 m²
Sails
- Mainsail
- 16.97 m²
- Genoa
- 30.14 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- DUFOUR 31
- Builder
- DUFOUR
- Designer
- Michel Dufour
- Year built
- 1973
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.18 | 4.41 | 4.6 | 4.55 | 4.2 | 3.94 | 3.48 | 2.97 |
| 8 | 4.94 | 5.2 | 5.43 | 5.38 | 5.06 | 4.81 | 4.37 | 3.85 |
| 10 | 5.58 | 5.83 | 6.01 | 6.01 | 5.81 | 5.58 | 5.09 | 4.58 |
| 12 | 5.98 | 6.16 | 6.31 | 6.32 | 6.24 | 6.11 | 5.75 | 5.22 |
| 14 | 6.18 | 6.35 | 6.51 | 6.56 | 6.51 | 6.42 | 6.17 | 5.81 |
| 16 | 6.29 | 6.47 | 6.67 | 6.78 | 6.74 | 6.65 | 6.44 | 6.19 |
| 20 | 6.33 | 6.54 | 6.9 | 7.09 | 7.21 | 7.13 | 6.88 | 6.65 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 2.74 | 167.3° | 2.61 |
| 8 | 41.8° | 3.29 | 168.1° | 3.44 |
| 10 | 41.9° | 3.69 | 169.4° | 4.16 |
| 12 | 42.1° | 4.05 | 170.1° | 4.79 |
| 14 | 41.1° | 4.28 | 170.1° | 5.38 |
| 16 | 40.7° | 4.38 | 172.5° | 5.89 |
| 20 | 41.3° | 4.37 | 175.5° | 6.46 |
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