RIC ET RAC
GRE DUFOUR 31Sail number GRE/F7850
GPH
750.6
OSN
725.3
LOA
9.363 m
Displacement
4643 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5401
Medium
0.7381
High
0.856
Triple Offshore
Low
0.692
Medium
0.906
High
1.0145
Boat Specifications
Dimensions
- Length overall
- 9.363 m
- Beam
- 3.17 m
- Draft
- 1.79 m
- Displacement
- 4643 kg
- Crew weight
- 400 kg
- Wetted surface
- 20.69 m²
Sails
- Mainsail
- 19.25 m²
- Genoa
- 27.58 m²
- Spinnaker
- 64.43 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- DUFOUR 31
- Builder
- DUFOUR
- Designer
- MICHEL DUFOUR
- Year built
- 1978
- Stability index
- 127
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.25 | 4.48 | 4.62 | 4.6 | 4.72 | 4.59 | 4.17 | 3.58 |
| 8 | 5.04 | 5.27 | 5.44 | 5.52 | 5.68 | 5.57 | 5.14 | 4.55 |
| 10 | 5.57 | 5.78 | 5.95 | 6.1 | 6.25 | 6.19 | 5.9 | 5.37 |
| 12 | 5.91 | 6.09 | 6.25 | 6.39 | 6.57 | 6.54 | 6.35 | 6 |
| 14 | 6.11 | 6.27 | 6.44 | 6.54 | 6.8 | 6.81 | 6.66 | 6.38 |
| 16 | 6.21 | 6.39 | 6.58 | 6.66 | 7 | 7.05 | 6.93 | 6.66 |
| 20 | 6.27 | 6.47 | 6.75 | 6.92 | 7.28 | 7.51 | 7.47 | 7.17 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 2.77 | 147.5° | 3.1 |
| 8 | 42° | 3.36 | 151.4° | 3.95 |
| 10 | 41.1° | 3.78 | 154.1° | 4.67 |
| 12 | 40.2° | 4.07 | 161° | 5.31 |
| 14 | 40° | 4.25 | 173° | 5.85 |
| 16 | 40° | 4.33 | 178.1° | 6.26 |
| 20 | 40.2° | 4.35 | 179° | 6.79 |
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