BALANGUERA
ESP DUFOUR 31Sail number ESP/ESP9653
GPH
735.8
OSN
712.9
LOA
9.32 m
Displacement
4480 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5491
Medium
0.7485
High
0.8785
Triple Offshore
Low
0.706
Medium
0.9223
High
1.042
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
- 20.24 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
- Stability index
- 124.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.32 | 4.57 | 4.74 | 4.75 | 4.83 | 4.69 | 4.3 | 3.69 |
| 8 | 5.09 | 5.37 | 5.59 | 5.73 | 5.83 | 5.69 | 5.24 | 4.61 |
| 10 | 5.7 | 5.93 | 6.1 | 6.29 | 6.36 | 6.3 | 6.03 | 5.43 |
| 12 | 6.06 | 6.23 | 6.36 | 6.58 | 6.68 | 6.63 | 6.43 | 6.08 |
| 14 | 6.26 | 6.41 | 6.55 | 6.77 | 6.98 | 6.94 | 6.73 | 6.44 |
| 16 | 6.37 | 6.53 | 6.72 | 6.88 | 7.26 | 7.25 | 7.03 | 6.72 |
| 20 | 6.43 | 6.63 | 6.97 | 7.17 | 7.61 | 7.77 | 7.62 | 7.29 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 2.82 | 146° | 3.2 |
| 8 | 41.8° | 3.37 | 152.3° | 4 |
| 10 | 42° | 3.8 | 153.3° | 4.71 |
| 12 | 41.2° | 4.16 | 159.2° | 5.38 |
| 14 | 40.1° | 4.39 | 173.6° | 5.93 |
| 16 | 39.6° | 4.49 | 179° | 6.33 |
| 20 | 39.9° | 4.53 | 179° | 6.86 |
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