JAHAZI
USA J-120Sail number USA/USA52039
GPH
574.3
OSN
559.2
LOA
12.244 m
Displacement
6917 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7042
Medium
0.9555
High
1.0806
Triple Offshore
Low
0.9153
Medium
1.179
High
1.3144
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.17 m
- Displacement
- 6917 kg
- Crew weight
- 907 kg
- Wetted surface
- 32.88 m²
Sails
- Mainsail
- 46.96 m²
- Genoa
- 51.77 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 165.05 m²
Design
- Type
- J-120
- Builder
- TILLOTSON-PEARSON
- Designer
- JOHNSTONE
- Year built
- 1994
- Stability index
- 118.1
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 | 5.63 | 5.98 | 6.27 | 6.54 | 6.36 | 6.06 | 5.4 | 4.59 |
| 8 | 6.74 | 7.05 | 7.33 | 7.56 | 7.48 | 7.35 | 6.84 | 5.79 |
| 10 | 7.41 | 7.6 | 7.74 | 8 | 8.01 | 7.99 | 7.73 | 6.92 |
| 12 | 7.66 | 7.85 | 8.04 | 8.27 | 8.45 | 8.48 | 8.23 | 7.7 |
| 14 | 7.77 | 7.97 | 8.26 | 8.49 | 8.91 | 8.99 | 8.79 | 8.07 |
| 16 | 7.84 | 8.05 | 8.41 | 8.7 | 9.32 | 9.37 | 9.43 | 8.42 |
| 20 | 7.9 | 8.13 | 8.6 | 9.15 | 9.93 | 10.37 | 10.99 | 9.55 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.67 | 144.2° | 3.98 |
| 8 | 42° | 4.48 | 147.3° | 5.01 |
| 10 | 41.1° | 5.09 | 147.3° | 5.99 |
| 12 | 39.3° | 5.39 | 150.9° | 6.68 |
| 14 | 38.2° | 5.55 | 150.9° | 7 |
| 16 | 37.6° | 5.65 | 171.2° | 7.38 |
| 20 | 37° | 5.75 | 143° | 8.27 |
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