J Power
NED J-70 ONE DESIGNSail number NED/NED8847
GPH
687.2
OSN
666.1
LOA
6.907 m
Displacement
895 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6639
Medium
0.8901
High
1.0382
Triple Offshore
Low
0.855
Medium
1.104
High
1.2888
Boat Specifications
Dimensions
- Length overall
- 6.907 m
- Beam
- 2.25 m
- Draft
- 1.39 m
- Displacement
- 895 kg
- Crew weight
- 340 kg
- Wetted surface
- 11.25 m²
Sails
- Mainsail
- 15.8 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.53 | 4.78 | 4.99 | 5.32 | 5.41 | 5.24 | 4.7 | 3.99 |
| 8 | 5.44 | 5.66 | 5.85 | 6.13 | 6.21 | 6.11 | 5.75 | 5.02 |
| 10 | 5.93 | 6.07 | 6.23 | 6.63 | 6.86 | 6.72 | 6.35 | 5.8 |
| 12 | 6.23 | 6.4 | 6.58 | 6.92 | 7.57 | 7.47 | 6.95 | 6.25 |
| 14 | 6.43 | 6.71 | 7.05 | 7.21 | 8.08 | 8.37 | 7.7 | 6.66 |
| 16 | 6.5 | 6.85 | 7.44 | 7.66 | 8.51 | 9.14 | 8.59 | 7.36 |
| 20 | 6.54 | 6.91 | 7.71 | 8.63 | 9.52 | 10.47 | 11.82 | 9.75 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 2.98 | 145.5° | 3.46 |
| 8 | 41.4° | 3.63 | 147.6° | 4.34 |
| 10 | 40.1° | 4.14 | 149.4° | 5.02 |
| 12 | 38° | 4.48 | 150.3° | 5.42 |
| 14 | 36.6° | 4.63 | 176.5° | 5.9 |
| 16 | 36.6° | 4.65 | 143.3° | 6.37 |
| 20 | 37.5° | 4.63 | 136.1° | 8.45 |
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