DUMIA
ESP FIRST 31.7Sail number ESP/ESP7384
GPH
679.3
OSN
657.8
LOA
9.61 m
Displacement
3639 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.594
Medium
0.8114
High
0.9252
Triple Offshore
Low
0.766
Medium
1.0016
High
1.1144
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3639 kg
- Crew weight
- 265 kg
- Wetted surface
- 21.17 m²
Sails
- Mainsail
- 24.82 m²
- Genoa
- 25.92 m²
- Spinnaker
- 60.5 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.82 | 5.08 | 5.27 | 5.17 | 5.17 | 5 | 4.47 | 3.76 |
| 8 | 5.72 | 5.96 | 6.15 | 6.1 | 6.25 | 6.11 | 5.59 | 4.84 |
| 10 | 6.29 | 6.51 | 6.67 | 6.71 | 6.89 | 6.81 | 6.45 | 5.77 |
| 12 | 6.57 | 6.78 | 6.98 | 7.03 | 7.29 | 7.26 | 6.99 | 6.51 |
| 14 | 6.67 | 6.9 | 7.17 | 7.29 | 7.61 | 7.64 | 7.4 | 7 |
| 16 | 6.72 | 6.95 | 7.29 | 7.52 | 7.83 | 8 | 7.82 | 7.39 |
| 20 | 6.74 | 7 | 7.42 | 7.81 | 8.16 | 8.56 | 8.7 | 8.2 |
| 24 | 6.65 | 6.95 | 7.46 | 7.98 | 8.28 | 8.96 | 9.96 | 9.21 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 3.16 | 144.9° | 3.25 |
| 8 | 41.4° | 3.85 | 148.9° | 4.19 |
| 10 | 40.1° | 4.31 | 152° | 5.01 |
| 12 | 39.5° | 4.54 | 157.2° | 5.72 |
| 14 | 39.5° | 4.62 | 168.2° | 6.31 |
| 16 | 39.7° | 4.65 | 177° | 6.81 |
| 20 | 40.4° | 4.61 | 178.1° | 7.56 |
| 24 | 42.2° | 4.44 | 177.2° | 8.32 |
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