JANTON
ESP FIRST 41S5Sail number ESP/ESP2985_C
GPH
614.6
OSN
596.9
LOA
12.3 m
Displacement
7177 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6509
Medium
0.8878
High
1.0122
Triple Offshore
Low
0.8449
Medium
1.1072
High
1.2354
Boat Specifications
Dimensions
- Length overall
- 12.3 m
- Beam
- 3.9 m
- Draft
- 1.96 m
- Displacement
- 7177 kg
- Crew weight
- 550 kg
- Wetted surface
- 30.03 m²
Sails
- Mainsail
- 47.15 m²
- Genoa
- 37.32 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 100.02 m²
Design
- Type
- FIRST 41S5
- Builder
- BENETEAU
- Designer
- J. BERRET
- Year built
- 1988
- Stability index
- 128.1
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.21 | 5.54 | 5.81 | 5.77 | 5.81 | 5.63 | 5.05 | 4.28 |
| 8 | 6.23 | 6.58 | 6.85 | 6.96 | 7.05 | 6.88 | 6.27 | 5.41 |
| 10 | 6.98 | 7.23 | 7.41 | 7.58 | 7.69 | 7.59 | 7.24 | 6.41 |
| 12 | 7.33 | 7.54 | 7.73 | 7.87 | 8.12 | 8.05 | 7.76 | 7.17 |
| 14 | 7.46 | 7.69 | 7.96 | 8.08 | 8.53 | 8.51 | 8.19 | 7.6 |
| 16 | 7.53 | 7.77 | 8.15 | 8.37 | 8.82 | 8.96 | 8.66 | 7.92 |
| 20 | 7.56 | 7.83 | 8.31 | 8.8 | 9.22 | 9.68 | 9.63 | 8.61 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 3.37 | 144.2° | 3.7 |
| 8 | 42.6° | 4.11 | 147.5° | 4.68 |
| 10 | 42° | 4.69 | 147.5° | 5.55 |
| 12 | 40.8° | 5.03 | 149.3° | 6.21 |
| 14 | 40.6° | 5.17 | 151.4° | 6.6 |
| 16 | 40.5° | 5.23 | 173.6° | 7.12 |
| 20 | 40.5° | 5.26 | 177.2° | 7.9 |
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