ROCKY
USA J 92Sail number USA/USA83158
GPH
625.9
OSN
610
LOA
9.141 m
Displacement
2425 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6782
Medium
0.8773
High
0.9883
Triple Offshore
Low
0.8634
Medium
1.0688
High
1.1876
Boat Specifications
Dimensions
- Length overall
- 9.141 m
- Beam
- 3.04 m
- Draft
- 1.8 m
- Displacement
- 2425 kg
- Crew weight
- 438 kg
- Wetted surface
- 18.06 m²
Sails
- Mainsail
- 28.64 m²
- Genoa
- 28.61 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 99.04 m²
Design
- Type
- J 92
- Builder
- J boats
- Designer
- Rod Johnstone
- Year built
- 1994
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.44 | 5.7 | 5.86 | 5.74 | 5.88 | 5.75 | 5.14 | 4.36 |
| 8 | 6.28 | 6.45 | 6.56 | 6.56 | 6.76 | 6.71 | 6.31 | 5.48 |
| 10 | 6.64 | 6.79 | 6.93 | 6.94 | 7.22 | 7.26 | 7.01 | 6.35 |
| 12 | 6.78 | 6.95 | 7.18 | 7.27 | 7.53 | 7.73 | 7.57 | 6.95 |
| 14 | 6.85 | 7.03 | 7.32 | 7.54 | 7.8 | 8.15 | 8.15 | 7.36 |
| 16 | 6.9 | 7.1 | 7.43 | 7.75 | 8.06 | 8.53 | 8.87 | 7.82 |
| 20 | 6.96 | 7.18 | 7.59 | 8.04 | 8.59 | 9.42 | 11.25 | 9.92 |
| 24 | 6.94 | 7.2 | 7.67 | 8.25 | 9.16 | 10.51 | 13.08 | 13.4 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.6 | 144° | 3.78 |
| 8 | 40° | 4.35 | 148° | 4.74 |
| 10 | 37.5° | 4.76 | 149° | 5.5 |
| 12 | 36.8° | 4.91 | 150.1° | 6.02 |
| 14 | 36.5° | 4.98 | 147.8° | 6.37 |
| 16 | 36.4° | 5.03 | 145.2° | 6.77 |
| 20 | 36.6° | 5.05 | 140.8° | 8.59 |
| 24 | 38.2° | 4.94 | 145.7° | 11.61 |
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