Sleeper
EST J-11SSail number EST/EST759
GPH
589.3
OSN
571
LOA
10.918 m
Displacement
4395 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6913
Medium
0.9347
High
1.0567
Triple Offshore
Low
0.8896
Medium
1.1503
High
1.2886
Boat Specifications
Dimensions
- Length overall
- 10.918 m
- Beam
- 3.3 m
- Draft
- 2.2 m
- Displacement
- 4395 kg
- Crew weight
- 680 kg
- Wetted surface
- 25.99 m²
Sails
- Mainsail
- 34.5 m²
- Genoa
- 33.72 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 112.86 m²
Design
- Type
- J-11S
- Builder
- J-Boats
- Designer
- Johnstone
- Year built
- 2011
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 | 5.58 | 5.87 | 6.06 | 5.91 | 6.04 | 5.89 | 5.22 | 4.4 |
| 8 | 6.63 | 6.86 | 7.02 | 7.05 | 7.23 | 7.13 | 6.58 | 5.6 |
| 10 | 7.21 | 7.39 | 7.52 | 7.56 | 7.84 | 7.8 | 7.46 | 6.66 |
| 12 | 7.48 | 7.66 | 7.86 | 7.89 | 8.31 | 8.36 | 8.04 | 7.4 |
| 14 | 7.59 | 7.81 | 8.12 | 8.25 | 8.65 | 8.9 | 8.64 | 7.83 |
| 16 | 7.67 | 7.91 | 8.3 | 8.56 | 8.95 | 9.41 | 9.3 | 8.27 |
| 20 | 7.77 | 8.03 | 8.53 | 9.03 | 9.53 | 10.25 | 11.05 | 9.53 |
| 24 | 7.77 | 8.04 | 8.64 | 9.35 | 10.09 | 11.09 | 13.3 | 12.08 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.66 | 142.8° | 3.81 |
| 8 | 40.8° | 4.49 | 146.6° | 4.85 |
| 10 | 38.9° | 5.06 | 147.8° | 5.77 |
| 12 | 37.6° | 5.33 | 150.1° | 6.41 |
| 14 | 37.1° | 5.45 | 148.9° | 6.78 |
| 16 | 37.1° | 5.53 | 146.7° | 7.16 |
| 20 | 37.1° | 5.59 | 142.4° | 8.25 |
| 24 | 38.2° | 5.54 | 141.5° | 10.47 |
Loading polar chart…