CAPER
USA J 120Sail number USA/USA46996
GPH
572.2
OSN
555
LOA
12.244 m
Displacement
6985 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7188
Medium
0.9664
High
1.0882
Triple Offshore
Low
0.9228
Medium
1.1825
High
1.3078
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.17 m
- Displacement
- 6985 kg
- Crew weight
- 925 kg
- Wetted surface
- 33.04 m²
Sails
- Mainsail
- 47.21 m²
- Genoa
- 51.41 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 165.02 m²
Design
- Type
- J 120
- Builder
- TPI
- Designer
- JOHNSTONE
- Year built
- 1994
- Stability index
- 114.1
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 | 5.85 | 6.16 | 6.34 | 6.17 | 6.16 | 6.05 | 5.38 | 4.55 |
| 8 | 6.91 | 7.14 | 7.27 | 7.18 | 7.38 | 7.3 | 6.8 | 5.78 |
| 10 | 7.46 | 7.63 | 7.75 | 7.74 | 7.98 | 7.98 | 7.7 | 6.87 |
| 12 | 7.69 | 7.87 | 8.04 | 8.09 | 8.35 | 8.45 | 8.25 | 7.67 |
| 14 | 7.81 | 7.99 | 8.24 | 8.37 | 8.61 | 8.86 | 8.77 | 8.08 |
| 16 | 7.89 | 8.08 | 8.38 | 8.61 | 8.85 | 9.2 | 9.29 | 8.44 |
| 20 | 7.98 | 8.19 | 8.56 | 8.94 | 9.28 | 9.81 | 10.6 | 9.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.84 | 143.4° | 3.94 |
| 8 | 41.1° | 4.68 | 146.9° | 5 |
| 10 | 39.3° | 5.23 | 147.8° | 5.95 |
| 12 | 37.8° | 5.5 | 150.5° | 6.65 |
| 14 | 37° | 5.65 | 150.3° | 7 |
| 16 | 36.4° | 5.74 | 172.1° | 7.36 |
| 20 | 36° | 5.84 | 174.8° | 8.18 |
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