Jester
NLS J-109Sail number NLS/NED7593SH
GPH
626.7
OSN
610.2
LOA
10.757 m
Displacement
5116 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7389
Medium
0.9832
High
1.109
Triple Offshore
Low
0.9521
Medium
1.2128
High
1.3351
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5116 kg
- Crew weight
- 180 kg
- Wetted surface
- 26.29 m²
Sails
- Mainsail
- 37.7 m²
- Genoa
- 27.77 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 109.43 m²
Design
- Type
- J-109
- Builder
- J-composite
- Designer
- Johnstone
- Year built
- 2001
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 | 5.16 | 5.42 | 5.63 | 5.77 | 5.86 | 5.7 | 5.11 | 4.33 |
| 8 | 6.15 | 6.43 | 6.63 | 6.82 | 6.97 | 6.86 | 6.32 | 5.41 |
| 10 | 6.77 | 6.97 | 7.13 | 7.15 | 7.45 | 7.41 | 7.13 | 6.39 |
| 12 | 7.02 | 7.21 | 7.39 | 7.44 | 7.71 | 7.81 | 7.56 | 7.05 |
| 14 | 7.12 | 7.32 | 7.58 | 7.69 | 7.92 | 8.18 | 8 | 7.39 |
| 16 | 7.16 | 7.37 | 7.7 | 7.92 | 8.12 | 8.43 | 8.47 | 7.68 |
| 20 | 7.28 | 7.47 | 7.8 | 8.28 | 8.5 | 8.89 | 9.5 | 8.44 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 3.41 | 144.3° | 3.75 |
| 8 | 40.6° | 4.13 | 147.7° | 4.69 |
| 10 | 40° | 4.65 | 148° | 5.54 |
| 12 | 39.2° | 4.9 | 150.1° | 6.1 |
| 14 | 38.7° | 5 | 174° | 6.43 |
| 16 | 38.5° | 5.05 | 176.7° | 7 |
| 20 | 38.8° | 5.16 | 177.9° | 7.69 |
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