HAVOC
USA J-70 ONE DESIGNSail number USA/USA555
GPH
676.7
OSN
654.5
LOA
6.91 m
Displacement
818 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5967
Medium
0.8003
High
0.9425
Triple Offshore
Low
0.7686
Medium
0.9972
High
1.1732
Boat Specifications
Dimensions
- Length overall
- 6.91 m
- Beam
- 2.25 m
- Draft
- 1.38 m
- Displacement
- 818 kg
- Crew weight
- 340 kg
- Wetted surface
- 10.53 m²
Sails
- Mainsail
- 16 m²
- Genoa
- 10.01 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 45.64 m²
Design
- Type
- J-70 ONE DESIGN
- Builder
- J BOATS
- Designer
- JOHNSTONE
- Year built
- 2013
- Stability index
- 91.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.56 | 4.84 | 5.06 | 5.4 | 5.48 | 5.33 | 4.79 | 4.09 |
| 8 | 5.49 | 5.73 | 5.87 | 6.21 | 6.3 | 6.2 | 5.86 | 5.18 |
| 10 | 5.98 | 6.15 | 6.29 | 6.7 | 7.05 | 6.92 | 6.5 | 5.93 |
| 12 | 6.28 | 6.49 | 6.74 | 7.01 | 7.79 | 7.84 | 7.22 | 6.44 |
| 14 | 6.47 | 6.8 | 7.24 | 7.33 | 8.28 | 8.77 | 8.16 | 7.05 |
| 16 | 6.54 | 6.92 | 7.61 | 8.01 | 8.75 | 9.44 | 9.24 | 7.88 |
| 20 | 6.59 | 6.99 | 7.85 | 8.92 | 9.68 | 10.74 | 12.63 | 10.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 2.97 | 145.1° | 3.54 |
| 8 | 42.4° | 3.64 | 147.8° | 4.48 |
| 10 | 40.5° | 4.14 | 150.5° | 5.14 |
| 12 | 38.4° | 4.48 | 147.8° | 5.58 |
| 14 | 37.6° | 4.59 | 145° | 6.1 |
| 16 | 37.6° | 4.6 | 143.7° | 6.82 |
| 20 | 38.7° | 4.58 | 138.6° | 9.42 |
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