BALANGUERA
ESP DUFOUR 31Sail number ESP/ESP9653_C
GPH
741.3
OSN
718.2
LOA
9.32 m
Displacement
5098 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6144
Medium
0.834
High
0.9834
Triple Offshore
Low
0.7868
Medium
1.03
High
1.1683
Boat Specifications
Dimensions
- Length overall
- 9.32 m
- Beam
- 3.29 m
- Draft
- 1.82 m
- Displacement
- 5098 kg
- Crew weight
- 450 kg
- Wetted surface
- 21.24 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 | 4.28 | 4.49 | 4.67 | 4.7 | 4.77 | 4.62 | 4.24 | 3.66 |
| 8 | 5.01 | 5.27 | 5.48 | 5.67 | 5.75 | 5.59 | 5.15 | 4.57 |
| 10 | 5.64 | 5.88 | 6.06 | 6.28 | 6.32 | 6.25 | 5.96 | 5.36 |
| 12 | 6.04 | 6.22 | 6.35 | 6.56 | 6.64 | 6.58 | 6.4 | 6.04 |
| 14 | 6.25 | 6.4 | 6.55 | 6.77 | 6.91 | 6.86 | 6.68 | 6.41 |
| 16 | 6.36 | 6.53 | 6.7 | 6.86 | 7.17 | 7.16 | 6.96 | 6.67 |
| 20 | 6.44 | 6.64 | 6.95 | 7.11 | 7.56 | 7.66 | 7.52 | 7.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.7° | 2.82 | 148.2° | 3.17 |
| 8 | 41.3° | 3.36 | 152.4° | 3.97 |
| 10 | 41.4° | 3.76 | 153.6° | 4.66 |
| 12 | 41.5° | 4.11 | 159.3° | 5.32 |
| 14 | 40.5° | 4.35 | 180° | 5.91 |
| 16 | 40.1° | 4.46 | 180° | 6.32 |
| 20 | 40.2° | 4.51 | 180° | 6.83 |
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