BALANGUERA
ESP DUFOUR 31Sail number ESP/ESP9653
GPH
735.4
OSN
712.1
LOA
9.32 m
Displacement
4480 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.557
Medium
0.7543
High
0.8715
Triple Offshore
Low
0.7124
Medium
0.9214
High
1.0286
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
- 20.23 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
- Stability index
- 124.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.43 | 4.65 | 4.78 | 4.75 | 4.83 | 4.68 | 4.27 | 3.65 |
| 8 | 5.2 | 5.42 | 5.57 | 5.66 | 5.76 | 5.63 | 5.23 | 4.61 |
| 10 | 5.71 | 5.89 | 6.04 | 6.19 | 6.29 | 6.22 | 5.95 | 5.4 |
| 12 | 6.02 | 6.16 | 6.3 | 6.47 | 6.6 | 6.57 | 6.37 | 6 |
| 14 | 6.19 | 6.33 | 6.49 | 6.64 | 6.84 | 6.84 | 6.67 | 6.38 |
| 16 | 6.28 | 6.44 | 6.63 | 6.74 | 7.07 | 7.09 | 6.93 | 6.66 |
| 20 | 6.34 | 6.53 | 6.81 | 6.97 | 7.48 | 7.64 | 7.5 | 7.17 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 2.91 | 145.7° | 3.16 |
| 8 | 41.4° | 3.49 | 151.6° | 3.99 |
| 10 | 40.5° | 3.92 | 155° | 4.71 |
| 12 | 39.4° | 4.21 | 162.2° | 5.33 |
| 14 | 38.8° | 4.38 | 174.8° | 5.87 |
| 16 | 38.8° | 4.46 | 178.1° | 6.26 |
| 20 | 39° | 4.49 | 179° | 6.79 |
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