Sleeper
EST J-11SSail number EST/EST759
GPH
589.8
OSN
572.5
LOA
10.918 m
Displacement
4395 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6852
Medium
0.9383
High
1.0762
Triple Offshore
Low
0.8839
Medium
1.1497
High
1.2991
Boat Specifications
Dimensions
- Length overall
- 10.918 m
- Beam
- 3.3 m
- Draft
- 2.2 m
- Displacement
- 4395 kg
- Crew weight
- 650 kg
- Wetted surface
- 25.97 m²
Sails
- Mainsail
- 34 m²
- Genoa
- 33.72 m²
- Spinnaker
- 115.29 m²
- Asymmetric spinnaker
- 82.19 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 | 5.47 | 5.78 | 6.03 | 5.93 | 5.99 | 5.87 | 5.28 | 4.46 |
| 8 | 6.56 | 6.83 | 7.03 | 7.03 | 7.22 | 7.13 | 6.62 | 5.56 |
| 10 | 7.21 | 7.38 | 7.51 | 7.6 | 7.8 | 7.76 | 7.47 | 6.68 |
| 12 | 7.46 | 7.64 | 7.83 | 7.88 | 8.22 | 8.32 | 7.99 | 7.46 |
| 14 | 7.55 | 7.77 | 8.1 | 8.23 | 8.74 | 8.88 | 8.61 | 7.94 |
| 16 | 7.6 | 7.84 | 8.29 | 8.6 | 9.09 | 9.39 | 9.32 | 8.49 |
| 20 | 7.71 | 7.93 | 8.44 | 9.12 | 9.72 | 10.4 | 11.04 | 9.85 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.59 | 141.2° | 3.86 |
| 8 | 41.2° | 4.39 | 147.5° | 4.81 |
| 10 | 39.8° | 5.01 | 147.5° | 5.78 |
| 12 | 38.2° | 5.3 | 156.1° | 6.56 |
| 14 | 37.5° | 5.41 | 172° | 7.14 |
| 16 | 37.5° | 5.46 | 180° | 7.64 |
| 20 | 37.3° | 5.58 | 180° | 8.62 |
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