J Power
NED J-70 ONE DESIGNSail number NED/NED8847
GPH
683.6
OSN
662.6
LOA
6.91 m
Displacement
903 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5948
Medium
0.7917
High
0.9233
Triple Offshore
Low
0.7667
Medium
0.985
High
1.1492
Boat Specifications
Dimensions
- Length overall
- 6.91 m
- Beam
- 2.25 m
- Draft
- 1.4 m
- Displacement
- 903 kg
- Crew weight
- 340 kg
- Wetted surface
- 11.14 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 | 4.6 | 4.87 | 5.08 | 5.38 | 5.46 | 5.29 | 4.75 | 4.04 |
| 8 | 5.47 | 5.73 | 5.89 | 6.16 | 6.25 | 6.15 | 5.79 | 5.08 |
| 10 | 5.96 | 6.12 | 6.27 | 6.65 | 6.92 | 6.79 | 6.39 | 5.84 |
| 12 | 6.24 | 6.43 | 6.66 | 6.94 | 7.64 | 7.58 | 7.02 | 6.3 |
| 14 | 6.42 | 6.73 | 7.12 | 7.26 | 8.14 | 8.5 | 7.82 | 6.73 |
| 16 | 6.49 | 6.84 | 7.48 | 7.78 | 8.54 | 9.22 | 8.75 | 7.49 |
| 20 | 6.51 | 6.88 | 7.71 | 8.69 | 9.62 | 10.61 | 12.14 | 10.08 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 2.99 | 146° | 3.5 |
| 8 | 41.6° | 3.65 | 148° | 4.4 |
| 10 | 41.2° | 4.1 | 149.8° | 5.06 |
| 12 | 38.2° | 4.47 | 150° | 5.46 |
| 14 | 37.3° | 4.59 | 177° | 5.96 |
| 16 | 37.5° | 4.6 | 143.4° | 6.48 |
| 20 | 38.6° | 4.56 | 136.8° | 8.73 |
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