PROOF
USA J 120Sail number USA/USA50793
GPH
565.9
OSN
549
LOA
12.244 m
Displacement
6931 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7231
Medium
0.976
High
1.1024
Triple Offshore
Low
0.9309
Medium
1.1958
High
1.3312
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.16 m
- Displacement
- 6931 kg
- Crew weight
- 1010 kg
- Wetted surface
- 33.18 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
- 1994
- Stability index
- 124.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.9 | 6.21 | 6.4 | 6.41 | 6.22 | 6.06 | 5.4 | 4.57 |
| 8 | 6.96 | 7.19 | 7.31 | 7.45 | 7.4 | 7.32 | 6.81 | 5.79 |
| 10 | 7.52 | 7.68 | 7.79 | 7.98 | 8.03 | 8.01 | 7.71 | 6.89 |
| 12 | 7.79 | 7.95 | 8.1 | 8.33 | 8.46 | 8.51 | 8.26 | 7.68 |
| 14 | 7.92 | 8.11 | 8.35 | 8.58 | 8.83 | 8.97 | 8.8 | 8.1 |
| 16 | 8.01 | 8.22 | 8.52 | 8.77 | 9.23 | 9.4 | 9.35 | 8.46 |
| 20 | 8.12 | 8.35 | 8.75 | 9.15 | 9.96 | 10.15 | 10.76 | 9.22 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.88 | 143.4° | 3.96 |
| 8 | 40.8° | 4.72 | 146.9° | 5.02 |
| 10 | 39° | 5.31 | 147.8° | 5.97 |
| 12 | 37.5° | 5.6 | 150.5° | 6.66 |
| 14 | 36.4° | 5.77 | 150.3° | 7.01 |
| 16 | 36° | 5.87 | 172.1° | 7.36 |
| 20 | 35.7° | 5.98 | 174.8° | 8.19 |
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