Zig Zag
USA J 122Sail number USA/12912
GPH
574.7
OSN
562.6
LOA
12.2 m
Displacement
6934 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7113
Medium
0.9449
High
1.0577
Triple Offshore
Low
0.9278
Medium
1.1722
High
1.2918
Boat Specifications
Dimensions
- Length overall
- 12.2 m
- Beam
- 3.64 m
- Draft
- 2.22 m
- Displacement
- 6934 kg
- Crew weight
- 570 kg
- Wetted surface
- 32.22 m²
Sails
- Mainsail
- 50.67 m²
- Genoa
- 42.32 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 157.85 m²
Design
- Type
- J 122
- Builder
- J Composites
- Designer
- J Boats
- 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 | 5.65 | 5.98 | 6.51 | 6.77 | 6.59 | 6.27 | 5.55 | 4.68 |
| 8 | 6.74 | 7.04 | 7.44 | 7.67 | 7.6 | 7.42 | 6.9 | 5.85 |
| 10 | 7.36 | 7.57 | 7.76 | 8.05 | 8.09 | 8.01 | 7.71 | 6.92 |
| 12 | 7.58 | 7.8 | 8.02 | 8.29 | 8.53 | 8.49 | 8.2 | 7.65 |
| 14 | 7.67 | 7.89 | 8.22 | 8.49 | 8.98 | 8.91 | 8.73 | 8.01 |
| 16 | 7.71 | 7.94 | 8.33 | 8.66 | 9.34 | 9.41 | 9.32 | 8.38 |
| 20 | 7.83 | 8.05 | 8.43 | 9.02 | 9.85 | 10.38 | 10.73 | 9.3 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.69 | 143.5° | 4.05 |
| 8 | 41.4° | 4.49 | 146.5° | 5.07 |
| 10 | 40.5° | 5.03 | 148.5° | 6 |
| 12 | 39.8° | 5.27 | 151° | 6.63 |
| 14 | 39° | 5.37 | 152° | 6.96 |
| 16 | 39° | 5.41 | 176° | 7.47 |
| 20 | 39.4° | 5.53 | 177° | 8.26 |
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