ALEPH II
ESP FIRST 31.7Sail number ESP/ESP5746_C
GPH
663.9
OSN
644
LOA
9.49 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6056
Medium
0.8318
High
0.9581
Triple Offshore
Low
0.7834
Medium
1.0229
High
1.1492
Boat Specifications
Dimensions
- Length overall
- 9.49 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3712 kg
- Crew weight
- 420 kg
- Wetted surface
- 22.01 m²
Sails
- Mainsail
- 25.94 m²
- Genoa
- 30.7 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 | 4.93 | 5.22 | 5.47 | 5.4 | 5.25 | 5.09 | 4.6 | 3.87 |
| 8 | 5.84 | 6.13 | 6.35 | 6.33 | 6.35 | 6.2 | 5.67 | 4.91 |
| 10 | 6.46 | 6.65 | 6.8 | 6.85 | 6.94 | 6.86 | 6.53 | 5.83 |
| 12 | 6.75 | 6.92 | 7.07 | 7.16 | 7.33 | 7.26 | 7.01 | 6.58 |
| 14 | 6.87 | 7.06 | 7.29 | 7.38 | 7.73 | 7.68 | 7.38 | 7 |
| 16 | 6.92 | 7.12 | 7.46 | 7.66 | 8.09 | 8.13 | 7.81 | 7.35 |
| 20 | 6.93 | 7.15 | 7.6 | 8.1 | 8.52 | 8.98 | 8.8 | 8.17 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.22 | 146° | 3.35 |
| 8 | 41.2° | 3.89 | 150° | 4.25 |
| 10 | 40.5° | 4.42 | 151° | 5.05 |
| 12 | 39° | 4.75 | 157.5° | 5.78 |
| 14 | 38.4° | 4.87 | 180° | 6.4 |
| 16 | 38.2° | 4.92 | 180° | 6.87 |
| 20 | 39° | 4.86 | 180° | 7.56 |
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