DUMIA
ESP FIRST 31.7Sail number ESP/ESP7384_C
GPH
672.5
OSN
649.5
LOA
9.61 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5951
Medium
0.8229
High
0.9541
Triple Offshore
Low
0.7674
Medium
1.0131
High
1.1449
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3712 kg
- Crew weight
- 350 kg
- Wetted surface
- 21.52 m²
Sails
- Mainsail
- 24.07 m²
- Genoa
- 27.36 m²
- Spinnaker
- 61.02 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 118.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.86 | 5.12 | 5.29 | 5.17 | 5.15 | 4.98 | 4.45 | 3.74 |
| 8 | 5.77 | 6.01 | 6.19 | 6.12 | 6.25 | 6.1 | 5.57 | 4.83 |
| 10 | 6.36 | 6.56 | 6.71 | 6.77 | 6.91 | 6.82 | 6.43 | 5.76 |
| 12 | 6.69 | 6.87 | 7.03 | 7.13 | 7.33 | 7.27 | 6.98 | 6.5 |
| 14 | 6.86 | 7.06 | 7.28 | 7.35 | 7.72 | 7.69 | 7.4 | 6.99 |
| 16 | 6.94 | 7.16 | 7.47 | 7.61 | 8.05 | 8.09 | 7.83 | 7.39 |
| 20 | 6.98 | 7.23 | 7.68 | 8.04 | 8.5 | 8.9 | 8.76 | 8.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.18 | 145.7° | 3.24 |
| 8 | 41.4° | 3.88 | 149.6° | 4.18 |
| 10 | 40° | 4.38 | 152.3° | 5 |
| 12 | 38.8° | 4.69 | 157.2° | 5.71 |
| 14 | 38.4° | 4.83 | 168.2° | 6.31 |
| 16 | 38.4° | 4.89 | 177.2° | 6.81 |
| 20 | 38.8° | 4.88 | 178.4° | 7.57 |
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