Zig Zag
USA J 122Sail number USA/USA12912
GPH
570.4
OSN
558.1
LOA
12.2 m
Displacement
6934 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7168
Medium
0.9525
High
1.0655
Triple Offshore
Low
0.9357
Medium
1.1803
High
1.3037
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
- 31.76 m²
Sails
- Mainsail
- 50.67 m²
- Genoa
- 42.63 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 157.85 m²
Design
- Type
- J 122
- Builder
- J Composites
- Designer
- J Boats
- Year built
- 2006
- Stability index
- 125.2
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 | 5.73 | 6.2 | 6.69 | 6.81 | 6.58 | 6.25 | 5.59 | 4.74 |
| 8 | 6.8 | 7.22 | 7.57 | 7.68 | 7.6 | 7.45 | 6.97 | 5.95 |
| 10 | 7.38 | 7.59 | 7.9 | 8.07 | 8.1 | 8.05 | 7.77 | 7.03 |
| 12 | 7.59 | 7.81 | 8.08 | 8.39 | 8.56 | 8.55 | 8.29 | 7.73 |
| 14 | 7.68 | 7.9 | 8.23 | 8.63 | 9.01 | 8.96 | 8.86 | 8.12 |
| 16 | 7.73 | 7.96 | 8.35 | 8.81 | 9.37 | 9.46 | 9.51 | 8.5 |
| 20 | 7.86 | 8.09 | 8.43 | 9.1 | 9.91 | 10.46 | 11.01 | 9.65 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.7 | 143.8° | 4.1 |
| 8 | 41.8° | 4.51 | 146.4° | 5.15 |
| 10 | 40.8° | 5.06 | 148.8° | 6.09 |
| 12 | 39.4° | 5.29 | 151.4° | 6.71 |
| 14 | 39° | 5.39 | 150.9° | 7.04 |
| 16 | 38.7° | 5.47 | 173° | 7.48 |
| 20 | 39° | 5.57 | 142.8° | 8.36 |
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