ALEPH II
ESP FIRST 31.7Sail number ESP/ESP5746_C
GPH
666.3
OSN
644
LOA
9.61 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6031
Medium
0.8315
High
0.9599
Triple Offshore
Low
0.7776
Medium
1.0213
High
1.1491
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
- 21.52 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.91 | 5.18 | 5.36 | 5.25 | 5.23 | 5.06 | 4.54 | 3.8 |
| 8 | 5.83 | 6.07 | 6.24 | 6.18 | 6.32 | 6.17 | 5.65 | 4.88 |
| 10 | 6.41 | 6.6 | 6.75 | 6.8 | 6.95 | 6.86 | 6.51 | 5.83 |
| 12 | 6.73 | 6.9 | 7.06 | 7.13 | 7.36 | 7.31 | 7.03 | 6.57 |
| 14 | 6.88 | 7.07 | 7.29 | 7.37 | 7.73 | 7.72 | 7.45 | 7.04 |
| 16 | 6.94 | 7.16 | 7.48 | 7.63 | 8.04 | 8.12 | 7.88 | 7.44 |
| 20 | 6.99 | 7.23 | 7.66 | 8.03 | 8.42 | 8.88 | 8.82 | 8.25 |
| 24 | 6.94 | 7.22 | 7.74 | 8.26 | 8.74 | 9.41 | 10.25 | 9.3 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.22 | 144.8° | 3.29 |
| 8 | 41.2° | 3.93 | 148.9° | 4.23 |
| 10 | 39.7° | 4.43 | 151.5° | 5.05 |
| 12 | 38.6° | 4.74 | 157.4° | 5.77 |
| 14 | 38.2° | 4.86 | 168.7° | 6.36 |
| 16 | 38° | 4.92 | 177.2° | 6.86 |
| 20 | 38.5° | 4.91 | 178.1° | 7.61 |
| 24 | 39.9° | 4.79 | 177.2° | 8.38 |
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