BALANGUERA
ESP DUFOUR 31Sail number ESP/ESP9653
GPH
735.5
OSN
712.3
LOA
9.32 m
Displacement
4480 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5563
Medium
0.754
High
0.8719
Triple Offshore
Low
0.7121
Medium
0.9214
High
1.0288
Boat Specifications
Dimensions
- Length overall
- 9.32 m
- Beam
- 3.29 m
- Draft
- 1.77 m
- Displacement
- 4480 kg
- Crew weight
- 450 kg
- Wetted surface
- 20.33 m²
Sails
- Mainsail
- 19.84 m²
- Genoa
- 29.31 m²
- Spinnaker
- 63.52 m²
- Asymmetric spinnaker
- 61.84 m²
Design
- Type
- DUFOUR 31
- Builder
- DUFOUR
- Designer
- DUFOUR
- Year built
- 1977
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.42 | 4.65 | 4.78 | 4.75 | 4.83 | 4.68 | 4.27 | 3.65 |
| 8 | 5.2 | 5.42 | 5.57 | 5.67 | 5.76 | 5.63 | 5.22 | 4.6 |
| 10 | 5.72 | 5.89 | 6.04 | 6.19 | 6.29 | 6.22 | 5.94 | 5.39 |
| 12 | 6.02 | 6.17 | 6.31 | 6.47 | 6.59 | 6.56 | 6.37 | 6 |
| 14 | 6.19 | 6.34 | 6.49 | 6.64 | 6.84 | 6.83 | 6.66 | 6.38 |
| 16 | 6.29 | 6.44 | 6.63 | 6.74 | 7.07 | 7.09 | 6.92 | 6.65 |
| 20 | 6.34 | 6.52 | 6.8 | 6.97 | 7.47 | 7.64 | 7.49 | 7.15 |
| 24 | 6.3 | 6.51 | 6.86 | 7.18 | 7.71 | 8.13 | 8.13 | 7.73 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 2.9 | 145.2° | 3.16 |
| 8 | 41.7° | 3.49 | 151.2° | 3.98 |
| 10 | 40.5° | 3.92 | 154.2° | 4.7 |
| 12 | 39.4° | 4.22 | 161° | 5.32 |
| 14 | 38.9° | 4.4 | 174.3° | 5.85 |
| 16 | 38.7° | 4.47 | 178.1° | 6.25 |
| 20 | 39° | 4.49 | 179° | 6.77 |
| 24 | 40.6° | 4.37 | 179° | 7.25 |
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