BLACKHAWK
USA J-35Sail number USA/USA32478
GPH
610.8
OSN
593.3
LOA
10.82 m
Displacement
4300 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6747
Medium
0.9085
High
1.0392
Triple Offshore
Low
0.8677
Medium
1.1037
High
1.2319
Boat Specifications
Dimensions
- Length overall
- 10.82 m
- Beam
- 3.65 m
- Draft
- 2.1 m
- Displacement
- 4300 kg
- Crew weight
- 771 kg
- Wetted surface
- 24.69 m²
Sails
- Mainsail
- 33.06 m²
- Genoa
- 52.56 m²
- Spinnaker
- 95.77 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-35
- Builder
- TPI
- Designer
- JOHNSTONE
- Year built
- 1983
- Stability index
- 111.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.6 | 5.92 | 6.17 | 6.07 | 5.63 | 5.48 | 4.98 | 4.2 |
| 8 | 6.58 | 6.78 | 6.92 | 6.89 | 6.76 | 6.64 | 6.15 | 5.3 |
| 10 | 7.02 | 7.16 | 7.27 | 7.28 | 7.31 | 7.23 | 6.94 | 6.29 |
| 12 | 7.19 | 7.37 | 7.56 | 7.6 | 7.74 | 7.69 | 7.39 | 6.98 |
| 14 | 7.29 | 7.49 | 7.79 | 7.92 | 8.15 | 8.17 | 7.85 | 7.4 |
| 16 | 7.36 | 7.57 | 7.94 | 8.2 | 8.44 | 8.62 | 8.34 | 7.82 |
| 20 | 7.41 | 7.66 | 8.11 | 8.56 | 8.87 | 9.36 | 9.46 | 8.74 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.69 | 145.1° | 3.64 |
| 8 | 41.7° | 4.45 | 149.3° | 4.59 |
| 10 | 39° | 4.98 | 151.1° | 5.45 |
| 12 | 37.5° | 5.21 | 158.3° | 6.17 |
| 14 | 36.4° | 5.34 | 171.2° | 6.74 |
| 16 | 36° | 5.41 | 177.2° | 7.19 |
| 20 | 35.4° | 5.49 | 177.2° | 7.97 |
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