Jongeheer
NED J-99Sail number NED/NED9375
GPH
617.5
OSN
604.4
LOA
9.95 m
Displacement
3809 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6698
Medium
0.8784
High
0.9757
Triple Offshore
Low
0.8687
Medium
1.0884
High
1.1987
Boat Specifications
Dimensions
- Length overall
- 9.95 m
- Beam
- 3.41 m
- Draft
- 2.1 m
- Displacement
- 3809 kg
- Crew weight
- 170 kg
- Wetted surface
- 21.52 m²
Sails
- Mainsail
- 33.07 m²
- Genoa
- 26.8 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 105.48 m²
Design
- Type
- J-99
- Builder
- J Composites
- Designer
- J Boats
- Year built
- 2018
- Stability index
- 120.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.2 | 5.59 | 6.1 | 6.31 | 6.1 | 5.85 | 5.25 | 4.46 |
| 8 | 6.23 | 6.48 | 6.89 | 7.09 | 7.01 | 6.95 | 6.52 | 5.62 |
| 10 | 6.76 | 6.95 | 7.15 | 7.46 | 7.49 | 7.5 | 7.23 | 6.6 |
| 12 | 6.94 | 7.15 | 7.38 | 7.7 | 7.96 | 8 | 7.77 | 7.19 |
| 14 | 7.01 | 7.23 | 7.59 | 7.9 | 8.41 | 8.34 | 8.37 | 7.57 |
| 16 | 7.03 | 7.28 | 7.7 | 8.06 | 8.75 | 8.84 | 9.04 | 7.96 |
| 20 | 7.13 | 7.38 | 7.74 | 8.41 | 9.26 | 9.85 | 10.41 | 9.36 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.43 | 144.2° | 3.87 |
| 8 | 41.4° | 4.17 | 147.5° | 4.87 |
| 10 | 40.2° | 4.65 | 149.2° | 5.71 |
| 12 | 39.4° | 4.81 | 150.7° | 6.23 |
| 14 | 40° | 4.86 | 148.4° | 6.55 |
| 16 | 39.9° | 4.91 | 174.8° | 7.02 |
| 20 | 40.6° | 4.93 | 141.7° | 8.1 |
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