Joy
SLO J-99Sail number SLO/SLO57
GPH
623
OSN
606.6
LOA
9.95 m
Displacement
3968 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6615
Medium
0.8782
High
0.9805
Triple Offshore
Low
0.8526
Medium
1.0831
High
1.1979
Boat Specifications
Dimensions
- Length overall
- 9.95 m
- Beam
- 3.41 m
- Draft
- 1.99 m
- Displacement
- 3968 kg
- Crew weight
- 450 kg
- Wetted surface
- 22.74 m²
Sails
- Mainsail
- 35.19 m²
- Genoa
- 27.61 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 102.43 m²
Design
- Type
- J-99
- Builder
- J-Composites
- Designer
- Johnstone
- Year built
- 2019
- Stability index
- 110.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.17 | 5.47 | 5.72 | 5.83 | 5.94 | 5.8 | 5.21 | 4.42 |
| 8 | 6.17 | 6.44 | 6.63 | 6.85 | 6.98 | 6.9 | 6.45 | 5.56 |
| 10 | 6.75 | 6.94 | 7.09 | 7.19 | 7.48 | 7.44 | 7.17 | 6.53 |
| 12 | 6.98 | 7.17 | 7.37 | 7.44 | 7.85 | 7.96 | 7.66 | 7.11 |
| 14 | 7.06 | 7.27 | 7.59 | 7.76 | 8.13 | 8.45 | 8.22 | 7.46 |
| 16 | 7.1 | 7.33 | 7.73 | 8.06 | 8.39 | 8.79 | 8.83 | 7.83 |
| 20 | 7.21 | 7.43 | 7.85 | 8.45 | 8.86 | 9.44 | 10.5 | 8.95 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.38 | 144.2° | 3.83 |
| 8 | 41.8° | 4.11 | 147.8° | 4.82 |
| 10 | 40.6° | 4.65 | 149.2° | 5.66 |
| 12 | 39.4° | 4.88 | 150.7° | 6.17 |
| 14 | 39.4° | 4.96 | 164° | 6.48 |
| 16 | 39.4° | 4.99 | 174.8° | 6.98 |
| 20 | 39.4° | 5.09 | 141.2° | 7.75 |
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