JAMK
TUR J-70 ONE DESIGNSail number TUR/TUR1081
GPH
669.7
OSN
647.3
LOA
6.942 m
Displacement
812 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6077
Medium
0.8106
High
0.9494
Triple Offshore
Low
0.7791
Medium
1.0067
High
1.1805
Boat Specifications
Dimensions
- Length overall
- 6.942 m
- Beam
- 2.26 m
- Draft
- 1.45 m
- Displacement
- 812 kg
- Crew weight
- 360 kg
- Wetted surface
- 10.86 m²
Sails
- Mainsail
- 16.07 m²
- Genoa
- 10 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 45.64 m²
Design
- Type
- J-70 ONE DESIGN
- Builder
- J BOATS
- Designer
- JOHNSTONE
- Year built
- 2012
- Stability index
- 106.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.7 | 4.95 | 5.1 | 5.38 | 5.45 | 5.3 | 4.79 | 4.07 |
| 8 | 5.6 | 5.79 | 5.9 | 6.23 | 6.34 | 6.22 | 5.85 | 5.15 |
| 10 | 6.07 | 6.23 | 6.37 | 6.74 | 7.05 | 6.94 | 6.54 | 5.92 |
| 12 | 6.39 | 6.59 | 6.81 | 7.03 | 7.74 | 7.77 | 7.22 | 6.48 |
| 14 | 6.58 | 6.87 | 7.24 | 7.33 | 8.27 | 8.68 | 8.09 | 7.03 |
| 16 | 6.67 | 7 | 7.59 | 7.92 | 8.76 | 9.5 | 9.15 | 7.8 |
| 20 | 6.73 | 7.13 | 7.94 | 8.91 | 9.75 | 10.97 | 12.61 | 10.74 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.09 | 144.3° | 3.52 |
| 8 | 41.4° | 3.77 | 147.9° | 4.46 |
| 10 | 39.4° | 4.26 | 149.6° | 5.13 |
| 12 | 37.6° | 4.56 | 148.2° | 5.61 |
| 14 | 37° | 4.66 | 145.7° | 6.09 |
| 16 | 37.2° | 4.69 | 143.4° | 6.76 |
| 20 | 38.2° | 4.65 | 139.7° | 9.3 |
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