DIRTY HARRY
USA J-29Sail number USA/USA40561
GPH
651.8
OSN
633.2
LOA
8.989 m
Displacement
2477 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6393
Medium
0.8518
High
0.9623
Triple Offshore
Low
0.8178
Medium
1.0316
High
1.1485
Boat Specifications
Dimensions
- Length overall
- 8.989 m
- Beam
- 3.39 m
- Draft
- 1.74 m
- Displacement
- 2477 kg
- Crew weight
- 544 kg
- Wetted surface
- 18.04 m²
Sails
- Mainsail
- 23.89 m²
- Genoa
- 35.17 m²
- Spinnaker
- 67.16 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-29
- Builder
- TPI
- Designer
- Rod Johnstone
- Year built
- 1982
- Stability index
- 102.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.24 | 5.53 | 5.74 | 5.66 | 5.36 | 5.22 | 4.74 | 4.04 |
| 8 | 6.1 | 6.28 | 6.4 | 6.39 | 6.35 | 6.24 | 5.82 | 5.08 |
| 10 | 6.49 | 6.62 | 6.74 | 6.76 | 6.84 | 6.76 | 6.49 | 5.97 |
| 12 | 6.67 | 6.85 | 7.04 | 7.09 | 7.3 | 7.23 | 6.92 | 6.54 |
| 14 | 6.76 | 6.98 | 7.29 | 7.42 | 7.7 | 7.7 | 7.38 | 6.94 |
| 16 | 6.82 | 7.05 | 7.44 | 7.71 | 8.02 | 8.17 | 7.85 | 7.37 |
| 20 | 6.84 | 7.11 | 7.57 | 8.06 | 8.46 | 9.02 | 9.07 | 8.28 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.46 | 146.2° | 3.5 |
| 8 | 41.4° | 4.15 | 150.2° | 4.4 |
| 10 | 38.8° | 4.63 | 153.2° | 5.19 |
| 12 | 37.5° | 4.83 | 161.3° | 5.84 |
| 14 | 36.9° | 4.92 | 175.7° | 6.37 |
| 16 | 36.4° | 4.97 | 177.2° | 6.76 |
| 20 | 36.9° | 4.96 | 177.2° | 7.55 |
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