PROOF
USA J-120Sail number USA/USA50793
GPH
571.5
OSN
555.3
LOA
12.244 m
Displacement
6936 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.707
Medium
0.9629
High
1.093
Triple Offshore
Low
0.9165
Medium
1.1857
High
1.3284
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.16 m
- Displacement
- 6936 kg
- Crew weight
- 1010 kg
- Wetted surface
- 33.27 m²
Sails
- Mainsail
- 47.15 m²
- Genoa
- 52.16 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 164.99 m²
Design
- Type
- J-120
- Designer
- JOHNSTONE
- Year built
- 1997
- Stability index
- 124.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.66 | 6.01 | 6.29 | 6.47 | 6.28 | 6.06 | 5.41 | 4.6 |
| 8 | 6.77 | 7.08 | 7.3 | 7.52 | 7.43 | 7.35 | 6.83 | 5.79 |
| 10 | 7.45 | 7.62 | 7.78 | 8 | 8.02 | 7.98 | 7.71 | 6.91 |
| 12 | 7.72 | 7.89 | 8.05 | 8.34 | 8.45 | 8.49 | 8.22 | 7.69 |
| 14 | 7.84 | 8.04 | 8.3 | 8.62 | 8.9 | 9.03 | 8.78 | 8.06 |
| 16 | 7.92 | 8.13 | 8.5 | 8.84 | 9.38 | 9.5 | 9.41 | 8.4 |
| 20 | 8 | 8.24 | 8.73 | 9.27 | 10.18 | 10.4 | 11.01 | 9.52 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.7 | 144.2° | 3.98 |
| 8 | 41.8° | 4.5 | 147.8° | 5.01 |
| 10 | 40.8° | 5.14 | 147.3° | 5.99 |
| 12 | 38.8° | 5.49 | 150.9° | 6.67 |
| 14 | 37.6° | 5.67 | 151.4° | 6.98 |
| 16 | 36.6° | 5.78 | 172.1° | 7.38 |
| 20 | 36.1° | 5.87 | 143° | 8.24 |
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