JOY
ITA J-122Sail number ITA/GBR1322
GPH
574.8
OSN
559.1
LOA
12.19 m
Displacement
7421 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7161
Medium
0.9546
High
1.0743
Triple Offshore
Low
0.9227
Medium
1.1746
High
1.2986
Boat Specifications
Dimensions
- Length overall
- 12.19 m
- Beam
- 3.64 m
- Draft
- 2.24 m
- Displacement
- 7421 kg
- Crew weight
- 700 kg
- Wetted surface
- 32.85 m²
Sails
- Mainsail
- 50.01 m²
- Genoa
- 42.11 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 141.36 m²
Design
- Type
- J-122
- Builder
- J-Boats
- Designer
- Johnstone
- Year built
- 2006
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 | 5.75 | 6.05 | 6.26 | 6.43 | 6.3 | 6.07 | 5.46 | 4.61 |
| 8 | 6.8 | 7.05 | 7.21 | 7.45 | 7.4 | 7.29 | 6.76 | 5.83 |
| 10 | 7.39 | 7.58 | 7.72 | 7.93 | 7.99 | 7.95 | 7.62 | 6.86 |
| 12 | 7.64 | 7.83 | 8.02 | 8.2 | 8.4 | 8.42 | 8.15 | 7.57 |
| 14 | 7.76 | 7.96 | 8.22 | 8.38 | 8.77 | 8.84 | 8.64 | 7.99 |
| 16 | 7.84 | 8.04 | 8.36 | 8.58 | 9.1 | 9.22 | 9.14 | 8.33 |
| 20 | 7.93 | 8.15 | 8.55 | 8.94 | 9.64 | 10.07 | 10.36 | 9.05 |
| 24 | 7.94 | 8.17 | 8.64 | 9.17 | 10.06 | 11.02 | 12.16 | 10.66 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.77 | 143.2° | 3.99 |
| 8 | 41° | 4.6 | 146.8° | 5.05 |
| 10 | 39.4° | 5.15 | 148.9° | 5.94 |
| 12 | 38.2° | 5.41 | 150.3° | 6.56 |
| 14 | 37.6° | 5.54 | 150.7° | 6.92 |
| 16 | 37.3° | 5.63 | 172.7° | 7.36 |
| 20 | 37.4° | 5.72 | 175.9° | 8.17 |
| 24 | 38.5° | 5.66 | 140.2° | 9.23 |
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