ENASTROS
GRE DUFOUR 31Sail number GRE/GRE1849
GPH
754.1
OSN
730
LOA
9.363 m
Displacement
4355 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5318
Medium
0.7292
High
0.8604
Triple Offshore
Low
0.6834
Medium
0.9023
High
1.0255
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
- 20.34 m²
Sails
- Mainsail
- 16.97 m²
- Genoa
- 30.14 m²
- Spinnaker
- 51.79 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 | 4.24 | 4.49 | 4.68 | 4.62 | 4.59 | 4.46 | 4.08 | 3.53 |
| 8 | 5 | 5.29 | 5.52 | 5.47 | 5.59 | 5.44 | 5.01 | 4.45 |
| 10 | 5.61 | 5.87 | 6.05 | 6.13 | 6.22 | 6.14 | 5.82 | 5.23 |
| 12 | 5.99 | 6.17 | 6.32 | 6.45 | 6.55 | 6.5 | 6.3 | 5.92 |
| 14 | 6.19 | 6.35 | 6.51 | 6.66 | 6.83 | 6.79 | 6.6 | 6.32 |
| 16 | 6.3 | 6.47 | 6.67 | 6.77 | 7.11 | 7.09 | 6.88 | 6.6 |
| 20 | 6.34 | 6.55 | 6.9 | 7.09 | 7.51 | 7.63 | 7.48 | 7.14 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 2.75 | 148° | 3.05 |
| 8 | 42.2° | 3.3 | 152° | 3.86 |
| 10 | 42° | 3.71 | 155° | 4.55 |
| 12 | 42° | 4.07 | 158.5° | 5.2 |
| 14 | 40.7° | 4.3 | 180° | 5.81 |
| 16 | 40.3° | 4.4 | 180° | 6.24 |
| 20 | 40.9° | 4.39 | 180° | 6.77 |
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