JAHAZI
USA J-120Sail number USA/USA52039
GPH
573.8
OSN
559.6
LOA
12.244 m
Displacement
6918 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7042
Medium
0.9535
High
1.0778
Triple Offshore
Low
0.9179
Medium
1.1792
High
1.312
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.17 m
- Displacement
- 6918 kg
- Crew weight
- 907 kg
- Wetted surface
- 32.74 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
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 | 5.69 | 6.04 | 6.34 | 6.58 | 6.43 | 6.12 | 5.39 | 4.55 |
| 8 | 6.79 | 7.09 | 7.35 | 7.59 | 7.52 | 7.36 | 6.82 | 5.72 |
| 10 | 7.43 | 7.63 | 7.77 | 8.02 | 8.04 | 7.99 | 7.7 | 6.85 |
| 12 | 7.67 | 7.86 | 8.06 | 8.29 | 8.49 | 8.48 | 8.19 | 7.65 |
| 14 | 7.78 | 7.98 | 8.28 | 8.52 | 8.96 | 8.99 | 8.74 | 8.01 |
| 16 | 7.84 | 8.06 | 8.43 | 8.74 | 9.38 | 9.4 | 9.35 | 8.36 |
| 20 | 7.89 | 8.13 | 8.6 | 9.18 | 10 | 10.46 | 10.86 | 9.33 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3.71 | 144° | 3.94 |
| 8 | 42° | 4.51 | 147° | 4.95 |
| 10 | 40.9° | 5.11 | 147° | 5.93 |
| 12 | 39° | 5.41 | 151° | 6.62 |
| 14 | 38.2° | 5.56 | 151.5° | 6.96 |
| 16 | 37.5° | 5.64 | 175.5° | 7.41 |
| 20 | 37.5° | 5.72 | 177° | 8.19 |
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