JOSS
AUS J122Sail number AUS/RF177
GPH
580.8
OSN
563.8
LOA
12.19 m
Displacement
7324 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7011
Medium
0.9484
High
1.0725
Triple Offshore
Low
0.9051
Medium
1.1668
High
1.2956
Boat Specifications
Dimensions
- Length overall
- 12.19 m
- Beam
- 3.64 m
- Draft
- 2.38 m
- Displacement
- 7324 kg
- Crew weight
- 792 kg
- Wetted surface
- 33.06 m²
Sails
- Mainsail
- 49.95 m²
- Genoa
- 39.16 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 153.83 m²
Design
- Type
- J122
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 2006
- Stability index
- 119.5
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 | 5.5 | 5.82 | 6.09 | 6.15 | 6.27 | 6.13 | 5.5 | 4.67 |
| 8 | 6.57 | 6.89 | 7.12 | 7.33 | 7.47 | 7.37 | 6.85 | 5.86 |
| 10 | 7.3 | 7.5 | 7.65 | 7.73 | 8.02 | 7.98 | 7.69 | 6.93 |
| 12 | 7.6 | 7.79 | 7.96 | 7.99 | 8.35 | 8.45 | 8.18 | 7.64 |
| 14 | 7.72 | 7.93 | 8.19 | 8.29 | 8.62 | 8.92 | 8.7 | 8.01 |
| 16 | 7.78 | 8 | 8.36 | 8.59 | 8.87 | 9.25 | 9.28 | 8.34 |
| 20 | 7.89 | 8.09 | 8.51 | 9.04 | 9.33 | 9.86 | 10.71 | 9.14 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.59 | 143.8° | 4.04 |
| 8 | 41.4° | 4.39 | 146.9° | 5.07 |
| 10 | 40.6° | 5.01 | 148.7° | 6 |
| 12 | 38.8° | 5.36 | 150.9° | 6.63 |
| 14 | 38.1° | 5.5 | 151.6° | 6.95 |
| 16 | 37.6° | 5.57 | 173° | 7.4 |
| 20 | 37.5° | 5.73 | 175.7° | 8.17 |
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