PROOF
USA J-120Sail number USA/USA50793
GPH
572.1
OSN
556
LOA
12.244 m
Displacement
6817 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7082
Medium
0.9617
High
1.0904
Triple Offshore
Low
0.9173
Medium
1.1838
High
1.3228
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.16 m
- Displacement
- 6817 kg
- Crew weight
- 1010 kg
- Wetted surface
- 32.78 m²
Sails
- Mainsail
- 46.97 m²
- Genoa
- 51.52 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 165.15 m²
Design
- Type
- J-120
- Designer
- JOHNSTONE
- Year built
- 1997
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.72 | 6.08 | 6.38 | 6.29 | 6.24 | 6.11 | 5.41 | 4.57 |
| 8 | 6.83 | 7.13 | 7.33 | 7.32 | 7.47 | 7.38 | 6.84 | 5.74 |
| 10 | 7.47 | 7.65 | 7.79 | 7.81 | 8.05 | 8 | 7.71 | 6.86 |
| 12 | 7.73 | 7.91 | 8.09 | 8.14 | 8.49 | 8.52 | 8.21 | 7.66 |
| 14 | 7.85 | 8.05 | 8.35 | 8.47 | 8.82 | 9.07 | 8.76 | 8.02 |
| 16 | 7.92 | 8.14 | 8.54 | 8.81 | 9.11 | 9.55 | 9.4 | 8.37 |
| 20 | 7.98 | 8.24 | 8.75 | 9.34 | 9.71 | 10.27 | 11 | 9.48 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3.74 | 143.5° | 3.96 |
| 8 | 41.6° | 4.54 | 147° | 4.97 |
| 10 | 40.5° | 5.17 | 147° | 5.94 |
| 12 | 38.6° | 5.5 | 151° | 6.63 |
| 14 | 37.5° | 5.66 | 151.5° | 6.96 |
| 16 | 36.8° | 5.75 | 176° | 7.42 |
| 20 | 36.6° | 5.84 | 143° | 8.21 |
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