Joy
SLO J-99Sail number SLO/SLO57
GPH
615.8
OSN
598.5
LOA
9.95 m
Displacement
3898 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6762
Medium
0.8926
High
0.9993
Triple Offshore
Low
0.866
Medium
1.0933
High
1.2094
Boat Specifications
Dimensions
- Length overall
- 9.95 m
- Beam
- 3.41 m
- Draft
- 1.99 m
- Displacement
- 3898 kg
- Crew weight
- 450 kg
- Wetted surface
- 22.76 m²
Sails
- Mainsail
- 35.22 m²
- Genoa
- 27.25 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 102.43 m²
Design
- Type
- J-99
- Builder
- J-Composites
- Designer
- Johnstone
- Year built
- 2019
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.35 | 5.62 | 5.8 | 5.85 | 5.96 | 5.81 | 5.22 | 4.43 |
| 8 | 6.29 | 6.5 | 6.65 | 6.81 | 6.96 | 6.87 | 6.42 | 5.58 |
| 10 | 6.81 | 6.97 | 7.09 | 7.22 | 7.47 | 7.43 | 7.15 | 6.5 |
| 12 | 7.05 | 7.22 | 7.39 | 7.43 | 7.85 | 7.9 | 7.65 | 7.09 |
| 14 | 7.16 | 7.36 | 7.61 | 7.72 | 8.13 | 8.34 | 8.14 | 7.45 |
| 16 | 7.23 | 7.44 | 7.77 | 7.98 | 8.37 | 8.77 | 8.68 | 7.8 |
| 20 | 7.31 | 7.55 | 7.96 | 8.36 | 8.84 | 9.5 | 10.38 | 8.56 |
| 24 | 7.3 | 7.56 | 8.05 | 8.62 | 9.31 | 10.4 | 12.9 | 11.8 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.52 | 143.7° | 3.83 |
| 8 | 40.8° | 4.28 | 147.8° | 4.83 |
| 10 | 38.9° | 4.79 | 149.2° | 5.63 |
| 12 | 37.7° | 5.03 | 150.3° | 6.14 |
| 14 | 37.6° | 5.14 | 168.5° | 6.46 |
| 16 | 37.5° | 5.2 | 174.5° | 6.96 |
| 20 | 37.8° | 5.24 | 175.7° | 7.7 |
| 24 | 39.1° | 5.16 | 141.8° | 10.21 |
Loading polar chart…