BLACKHAWK
USA J 35Sail number USA/USA32478
GPH
604.8
OSN
587.7
LOA
10.82 m
Displacement
4300 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6946
Medium
0.9187
High
1.0444
Triple Offshore
Low
0.887
Medium
1.1098
High
1.2289
Boat Specifications
Dimensions
- Length overall
- 10.82 m
- Beam
- 3.65 m
- Draft
- 2.1 m
- Displacement
- 4300 kg
- Crew weight
- 689 kg
- Wetted surface
- 24.6 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
- 111.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.89 | 6.15 | 6.29 | 6.15 | 5.67 | 5.53 | 5 | 4.2 |
| 8 | 6.7 | 6.85 | 6.94 | 6.89 | 6.76 | 6.64 | 6.18 | 5.34 |
| 10 | 7.05 | 7.18 | 7.29 | 7.29 | 7.31 | 7.25 | 6.94 | 6.3 |
| 12 | 7.21 | 7.36 | 7.54 | 7.6 | 7.7 | 7.7 | 7.42 | 6.98 |
| 14 | 7.3 | 7.47 | 7.71 | 7.86 | 8.03 | 8.1 | 7.86 | 7.42 |
| 16 | 7.37 | 7.55 | 7.83 | 8.07 | 8.3 | 8.48 | 8.3 | 7.83 |
| 20 | 7.45 | 7.64 | 7.99 | 8.36 | 8.72 | 9.24 | 9.39 | 8.7 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.1° | 3.92 | 144.2° | 3.64 |
| 8 | 39.6° | 4.68 | 148.7° | 4.62 |
| 10 | 37.2° | 5.1 | 152° | 5.47 |
| 12 | 36° | 5.28 | 158.6° | 6.17 |
| 14 | 35.4° | 5.39 | 170.9° | 6.74 |
| 16 | 35.1° | 5.46 | 177.2° | 7.2 |
| 20 | 35.1° | 5.52 | 178.4° | 7.97 |
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