Joy
SLO J-99Sail number SLO/SLO57
GPH
619.7
OSN
603.2
LOA
9.95 m
Displacement
3972 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6752
Medium
0.8848
High
0.9817
Triple Offshore
Low
0.8646
Medium
1.0855
High
1.1908
Boat Specifications
Dimensions
- Length overall
- 9.95 m
- Beam
- 3.41 m
- Draft
- 2 m
- Displacement
- 3972 kg
- Crew weight
- 450 kg
- Wetted surface
- 22.72 m²
Sails
- Mainsail
- 34.87 m²
- Genoa
- 27.19 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 102.43 m²
Design
- Type
- J-99
- Builder
- J-Composites
- Designer
- Johnstone
- Year built
- 2019
- Stability index
- 111.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.33 | 5.61 | 5.79 | 5.84 | 5.95 | 5.81 | 5.22 | 4.42 |
| 8 | 6.27 | 6.49 | 6.63 | 6.78 | 6.95 | 6.86 | 6.42 | 5.58 |
| 10 | 6.77 | 6.94 | 7.08 | 7.15 | 7.44 | 7.42 | 7.15 | 6.5 |
| 12 | 6.98 | 7.16 | 7.36 | 7.42 | 7.79 | 7.87 | 7.65 | 7.09 |
| 14 | 7.07 | 7.27 | 7.55 | 7.69 | 8.03 | 8.27 | 8.14 | 7.46 |
| 16 | 7.13 | 7.34 | 7.68 | 7.91 | 8.25 | 8.64 | 8.67 | 7.81 |
| 20 | 7.17 | 7.4 | 7.81 | 8.25 | 8.68 | 9.28 | 10.27 | 8.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.51 | 143.9° | 3.83 |
| 8 | 40.6° | 4.26 | 147.8° | 4.83 |
| 10 | 39.1° | 4.74 | 149.2° | 5.63 |
| 12 | 38.2° | 4.93 | 150.5° | 6.14 |
| 14 | 38.1° | 5.02 | 167.6° | 6.46 |
| 16 | 38.2° | 5.05 | 174.5° | 6.97 |
| 20 | 39° | 5.04 | 175.7° | 7.71 |
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