RIC ET RAC
GRE DUFOUR 31Sail number GRE/F7850
GPH
752.2
OSN
727.3
LOA
9.363 m
Displacement
4643 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5322
Medium
0.7312
High
0.8661
Triple Offshore
Low
0.6846
Medium
0.905
High
1.0291
Boat Specifications
Dimensions
- Length overall
- 9.363 m
- Beam
- 3.17 m
- Draft
- 1.79 m
- Displacement
- 4643 kg
- Crew weight
- 443 kg
- Wetted surface
- 20.78 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
- 126.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.16 | 4.4 | 4.58 | 4.6 | 4.71 | 4.59 | 4.19 | 3.61 |
| 8 | 4.92 | 5.19 | 5.41 | 5.57 | 5.73 | 5.59 | 5.13 | 4.55 |
| 10 | 5.53 | 5.8 | 6 | 6.21 | 6.32 | 6.25 | 5.96 | 5.37 |
| 12 | 5.95 | 6.15 | 6.3 | 6.51 | 6.63 | 6.59 | 6.4 | 6.05 |
| 14 | 6.19 | 6.35 | 6.5 | 6.65 | 6.91 | 6.88 | 6.7 | 6.43 |
| 16 | 6.31 | 6.48 | 6.66 | 6.75 | 7.18 | 7.18 | 7 | 6.7 |
| 20 | 6.38 | 6.58 | 6.9 | 7.09 | 7.46 | 7.69 | 7.59 | 7.27 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.4° | 2.69 | 147.8° | 3.13 |
| 8 | 42.4° | 3.24 | 152° | 3.95 |
| 10 | 42° | 3.66 | 152.9° | 4.66 |
| 12 | 42.3° | 4.01 | 158.3° | 5.34 |
| 14 | 41.1° | 4.27 | 171.8° | 5.9 |
| 16 | 40.6° | 4.4 | 178.1° | 6.31 |
| 20 | 40.6° | 4.44 | 179° | 6.84 |
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