RIC ET RAC
GRE DUFOUR 31Sail number GRE/F7850
GPH
750.3
OSN
726.9
LOA
9.363 m
Displacement
4643 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6053
Medium
0.8233
High
0.9626
Triple Offshore
Low
0.7761
Medium
1.0194
High
1.1499
Boat Specifications
Dimensions
- Length overall
- 9.363 m
- Beam
- 3.17 m
- Draft
- 1.79 m
- Displacement
- 4643 kg
- Crew weight
- 300 kg
- Wetted surface
- 20.8 m²
Sails
- Mainsail
- 19.25 m²
- Genoa
- 27.58 m²
- Spinnaker
- 64.15 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- DUFOUR 31
- Builder
- DUFOUR SA
- Designer
- M.DUFOUR
- Year built
- 1978
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.18 | 4.41 | 4.59 | 4.6 | 4.73 | 4.61 | 4.22 | 3.64 |
| 8 | 4.93 | 5.19 | 5.42 | 5.58 | 5.74 | 5.61 | 5.15 | 4.56 |
| 10 | 5.56 | 5.83 | 6.02 | 6.21 | 6.32 | 6.25 | 5.97 | 5.37 |
| 12 | 5.96 | 6.15 | 6.32 | 6.48 | 6.63 | 6.59 | 6.4 | 6.05 |
| 14 | 6.16 | 6.34 | 6.5 | 6.59 | 6.9 | 6.88 | 6.7 | 6.42 |
| 16 | 6.27 | 6.45 | 6.65 | 6.74 | 7.13 | 7.18 | 6.99 | 6.69 |
| 20 | 6.3 | 6.52 | 6.86 | 7.07 | 7.36 | 7.63 | 7.58 | 7.25 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.3° | 2.74 | 148.1° | 3.15 |
| 8 | 41.6° | 3.29 | 152.1° | 3.96 |
| 10 | 41.7° | 3.69 | 152.8° | 4.66 |
| 12 | 42.2° | 4.01 | 159° | 5.33 |
| 14 | 41.5° | 4.22 | 180° | 5.92 |
| 16 | 41.2° | 4.31 | 180° | 6.32 |
| 20 | 41.9° | 4.3 | 180° | 6.86 |
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