Alpha
NOR J-70 ONE DESIGNSail number NOR/NOR15913
GPH
673.3
OSN
652.5
LOA
6.91 m
Displacement
811 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6775
Medium
0.9031
High
1.0586
Triple Offshore
Low
0.8727
Medium
1.1255
High
1.3216
Boat Specifications
Dimensions
- Length overall
- 6.91 m
- Beam
- 2.25 m
- Draft
- 1.38 m
- Displacement
- 811 kg
- Crew weight
- 340 kg
- Wetted surface
- 10.92 m²
Sails
- Mainsail
- 16 m²
- Genoa
- 10.01 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 45.64 m²
Design
- Type
- J-70 ONE DESIGN
- Designer
- JOHNSTONE
- Year built
- 2012
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.61 | 4.88 | 5.15 | 5.46 | 5.53 | 5.36 | 4.81 | 4.09 |
| 8 | 5.54 | 5.74 | 5.95 | 6.22 | 6.32 | 6.21 | 5.85 | 5.15 |
| 10 | 6 | 6.17 | 6.34 | 6.76 | 7.05 | 6.89 | 6.46 | 5.9 |
| 12 | 6.31 | 6.53 | 6.78 | 7.06 | 7.82 | 7.77 | 7.14 | 6.37 |
| 14 | 6.51 | 6.85 | 7.28 | 7.43 | 8.36 | 8.77 | 8.01 | 6.93 |
| 16 | 6.59 | 6.98 | 7.67 | 8.01 | 8.75 | 9.46 | 9.03 | 7.7 |
| 20 | 6.64 | 7.03 | 7.92 | 9.02 | 9.88 | 10.82 | 12.62 | 10.55 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.7° | 3.03 | 145.3° | 3.54 |
| 8 | 41.8° | 3.7 | 147.8° | 4.46 |
| 10 | 39.7° | 4.2 | 150.1° | 5.11 |
| 12 | 37.6° | 4.53 | 148.6° | 5.52 |
| 14 | 36.8° | 4.64 | 145.4° | 6 |
| 16 | 36.8° | 4.66 | 143.5° | 6.67 |
| 20 | 38.1° | 4.63 | 137.2° | 9.13 |
Loading polar chart…