Lethe
NOR First 34.7Sail number NOR/NOR12488
GPH
628.1
OSN
615.2
LOA
9.98 m
Displacement
4541 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.659
Medium
0.8625
High
0.9674
Triple Offshore
Low
0.8554
Medium
1.0689
High
1.1749
Boat Specifications
Dimensions
- Length overall
- 9.98 m
- Beam
- 3.37 m
- Draft
- 2 m
- Displacement
- 4541 kg
- Crew weight
- 586 kg
- Wetted surface
- 23.38 m²
Sails
- Mainsail
- 34.69 m²
- Genoa
- 25.95 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 95.17 m²
Design
- Type
- First 34.7
- Builder
- Beneteau
- Designer
- B.Farr
- Year built
- 2004
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.35 | 5.73 | 6.13 | 6.18 | 5.78 | 5.62 | 5.07 | 4.31 |
| 8 | 6.33 | 6.63 | 6.86 | 6.89 | 6.83 | 6.71 | 6.22 | 5.37 |
| 10 | 6.78 | 7.01 | 7.21 | 7.24 | 7.31 | 7.23 | 6.96 | 6.3 |
| 12 | 6.95 | 7.17 | 7.45 | 7.53 | 7.71 | 7.66 | 7.38 | 6.88 |
| 14 | 7.03 | 7.26 | 7.6 | 7.82 | 8.05 | 8.12 | 7.8 | 7.21 |
| 16 | 7.09 | 7.32 | 7.7 | 8.06 | 8.28 | 8.58 | 8.27 | 7.49 |
| 20 | 7.11 | 7.36 | 7.8 | 8.33 | 8.69 | 9.16 | 9.35 | 8.24 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.47 | 145° | 3.73 |
| 8 | 42.8° | 4.17 | 148° | 4.65 |
| 10 | 41.2° | 4.6 | 148.8° | 5.46 |
| 12 | 39.6° | 4.82 | 150.5° | 5.96 |
| 14 | 39° | 4.93 | 174° | 6.36 |
| 16 | 39.4° | 4.97 | 177° | 6.88 |
| 20 | 39.6° | 5.02 | 178° | 7.53 |
Loading polar chart…