J-Rover
NED J-39Sail number NED/NED5375
GPH
596.4
OSN
579.7
LOA
12.009 m
Displacement
5663 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7757
Medium
1.0423
High
1.1926
Triple Offshore
Low
0.9968
Medium
1.2739
High
1.4195
Boat Specifications
Dimensions
- Length overall
- 12.009 m
- Beam
- 3.77 m
- Draft
- 2.17 m
- Displacement
- 5663 kg
- Crew weight
- 525 kg
- Wetted surface
- 28.62 m²
Sails
- Mainsail
- 41.2 m²
- Genoa
- 39.09 m²
- Spinnaker
- 114.86 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-39
- Builder
- J-Boats
- Designer
- R.Johnstone
- Year built
- 1991
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.55 | 5.85 | 6.09 | 6.01 | 5.92 | 5.78 | 5.23 | 4.42 |
| 8 | 6.6 | 6.85 | 7.03 | 6.99 | 7.11 | 6.99 | 6.46 | 5.56 |
| 10 | 7.15 | 7.32 | 7.47 | 7.48 | 7.66 | 7.61 | 7.31 | 6.57 |
| 12 | 7.36 | 7.54 | 7.74 | 7.8 | 8.05 | 8.07 | 7.79 | 7.31 |
| 14 | 7.45 | 7.65 | 7.95 | 8.09 | 8.33 | 8.53 | 8.26 | 7.76 |
| 16 | 7.5 | 7.72 | 8.1 | 8.36 | 8.57 | 8.9 | 8.78 | 8.19 |
| 20 | 7.64 | 7.84 | 8.24 | 8.76 | 8.95 | 9.42 | 9.93 | 9.18 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.1° | 3.67 | 142.3° | 3.83 |
| 8 | 40.7° | 4.44 | 147.8° | 4.81 |
| 10 | 39.6° | 4.98 | 150.3° | 5.69 |
| 12 | 38.2° | 5.22 | 156.5° | 6.42 |
| 14 | 37.6° | 5.33 | 173° | 7.02 |
| 16 | 37.4° | 5.39 | 180° | 7.53 |
| 20 | 37.2° | 5.53 | 180° | 8.37 |
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