ALEPH II
ESP FIRST 31.7Sail number ESP/ESP5746_C
GPH
665.2
OSN
643.1
LOA
9.61 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6049
Medium
0.8323
High
0.9594
Triple Offshore
Low
0.7797
Medium
1.0226
High
1.1503
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3712 kg
- Crew weight
- 320 kg
- Wetted surface
- 21.45 m²
Sails
- Mainsail
- 26.01 m²
- Genoa
- 27.26 m²
- Spinnaker
- 64.2 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 119.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.93 | 5.19 | 5.37 | 5.27 | 5.24 | 5.07 | 4.55 | 3.81 |
| 8 | 5.84 | 6.08 | 6.25 | 6.2 | 6.33 | 6.19 | 5.67 | 4.9 |
| 10 | 6.42 | 6.61 | 6.76 | 6.81 | 6.96 | 6.88 | 6.52 | 5.85 |
| 12 | 6.73 | 6.9 | 7.07 | 7.14 | 7.38 | 7.33 | 7.05 | 6.59 |
| 14 | 6.87 | 7.07 | 7.31 | 7.39 | 7.76 | 7.76 | 7.49 | 7.06 |
| 16 | 6.94 | 7.16 | 7.49 | 7.66 | 8.08 | 8.16 | 7.92 | 7.47 |
| 20 | 6.98 | 7.23 | 7.67 | 8.06 | 8.47 | 8.95 | 8.9 | 8.32 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.23 | 145.1° | 3.3 |
| 8 | 41.2° | 3.94 | 149.6° | 4.24 |
| 10 | 39.6° | 4.44 | 152° | 5.07 |
| 12 | 38.8° | 4.73 | 157.7° | 5.79 |
| 14 | 38.2° | 4.85 | 169.1° | 6.39 |
| 16 | 38.2° | 4.9 | 177.2° | 6.88 |
| 20 | 38.8° | 4.89 | 177.2° | 7.65 |
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