UJI UJI
ITA J-70 ONE DESIGNSail number ITA/ITA720J70
GPH
674.8
OSN
653.9
LOA
6.91 m
Displacement
811 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6743
Medium
0.9009
High
1.0563
Triple Offshore
Low
0.8693
Medium
1.1237
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
- 15.99 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
- 2012
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.61 | 4.88 | 5.1 | 5.43 | 5.51 | 5.35 | 4.79 | 4.06 |
| 8 | 5.53 | 5.75 | 5.93 | 6.22 | 6.3 | 6.2 | 5.85 | 5.11 |
| 10 | 6 | 6.15 | 6.32 | 6.76 | 7.04 | 6.88 | 6.46 | 5.89 |
| 12 | 6.31 | 6.52 | 6.75 | 7.07 | 7.82 | 7.75 | 7.13 | 6.37 |
| 14 | 6.51 | 6.85 | 7.28 | 7.43 | 8.36 | 8.76 | 8 | 6.92 |
| 16 | 6.58 | 6.97 | 7.67 | 8.01 | 8.85 | 9.55 | 9 | 7.68 |
| 20 | 6.63 | 7.02 | 7.92 | 9.02 | 10.02 | 11.04 | 12.67 | 10.54 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.7° | 3.02 | 144.9° | 3.52 |
| 8 | 42° | 3.69 | 147.5° | 4.43 |
| 10 | 40.1° | 4.19 | 149.8° | 5.1 |
| 12 | 37.8° | 4.52 | 148.5° | 5.51 |
| 14 | 36.9° | 4.63 | 145.3° | 5.99 |
| 16 | 37.1° | 4.65 | 143.5° | 6.65 |
| 20 | 38.2° | 4.62 | 137.1° | 9.13 |
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