JAMK
TUR J-70 ONE DESIGNSail number TUR/TUR1081
GPH
670
OSN
648.7
LOA
6.91 m
Displacement
807 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6058
Medium
0.8037
High
0.9439
Triple Offshore
Low
0.7802
Medium
1.0046
High
1.1838
Boat Specifications
Dimensions
- Length overall
- 6.91 m
- Beam
- 2.25 m
- Draft
- 1.38 m
- Displacement
- 807 kg
- Crew weight
- 340 kg
- Wetted surface
- 10.81 m²
Sails
- Mainsail
- 15.93 m²
- Genoa
- 9.95 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 45.42 m²
Design
- Type
- J-70 ONE DESIGN
- Builder
- J BOATS
- Designer
- JOHNSTONE
- Year built
- 2012
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.64 | 4.96 | 5.19 | 5.48 | 5.56 | 5.4 | 4.84 | 4.12 |
| 8 | 5.57 | 5.81 | 5.97 | 6.25 | 6.35 | 6.23 | 5.88 | 5.19 |
| 10 | 6.03 | 6.2 | 6.37 | 6.8 | 7.11 | 6.95 | 6.5 | 5.93 |
| 12 | 6.33 | 6.56 | 6.82 | 7.11 | 7.92 | 7.88 | 7.21 | 6.42 |
| 14 | 6.53 | 6.89 | 7.36 | 7.52 | 8.46 | 8.91 | 8.13 | 7.02 |
| 16 | 6.6 | 7.01 | 7.75 | 8.16 | 8.94 | 9.67 | 9.21 | 7.83 |
| 20 | 6.64 | 7.06 | 7.98 | 9.14 | 10.17 | 11.23 | 13.01 | 10.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.05 | 145° | 3.56 |
| 8 | 42° | 3.71 | 148° | 4.5 |
| 10 | 40.9° | 4.16 | 150.8° | 5.14 |
| 12 | 37.9° | 4.52 | 148° | 5.56 |
| 14 | 37.3° | 4.62 | 145° | 6.08 |
| 16 | 37.5° | 4.63 | 143.5° | 6.78 |
| 20 | 38.6° | 4.58 | 137.6° | 9.42 |
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