Tracking Vibrations (oscillations) found in Blackbox
You can track your oscillations found in Blackbox Explorer to the vibrations on your helicopter by measuring the cycles of the trace (in Hertz[Hz]). Optionally, you can narrow the traces to feed into the specrtagraph.
You can then cross-referencing it with this table below. By doing this, you can track if the vibration is coming from the motor, main rotor, or tail rotor (similar to the vibration analyzer in iKON). The chart also shows the approximate RPM range of each helicopter based on size (3rd column).
Rotorflight Filter Tuning Table: 100 RPM - 4000 RPM (Hz to RPM Conversion)
| Hertz (Hz) |
RPM |
Approx. Helicopter Blade Size |
| 1.67 |
100 |
n/a |
| 3.33 |
200 |
n/a |
| 5.00 |
300 |
n/a |
| 6.67 |
400 |
n/a |
| 8.33 |
500 |
n/a |
| 10.00 |
600 |
n/a |
| 11.67 |
700 |
n/a |
| 13.33 |
800 |
n/a |
| 15.00 |
900 |
n/a |
| 16.67 |
1000 |
n/a |
| 18.33 |
1100 |
n/a |
| 20.00 |
1200 |
n/a |
| 21.67 |
1300 |
n/a |
| 23.33 |
1400 |
n/a |
| 25.00 |
1500 |
n/a |
| 26.67 |
1600 |
n/a |
| 28.33 |
1700 |
700mm |
| 30.00 |
1800 |
700mm |
| 31.67 |
1900 |
600mm, 700mm |
| 33.33 |
2000 |
550mm, 600mm, 700mm |
| 35.00 |
2100 |
550mm, 600mm, 700mm |
| 36.67 |
2200 |
550mm, 600mm |
| 38.33 |
2300 |
550mm, 600mm |
| 40.00 |
2400 |
420mm, 550mm, 600mm |
| 41.67 |
2500 |
420mm, 550mm |
| 43.33 |
2600 |
420mm, 550mm |
| 45.00 |
2700 |
380mm, 420mm |
| 46.67 |
2800 |
380mm, 420mm |
| 48.33 |
2900 |
380mm, 420mm |
| 50.00 |
3000 |
360mm, 380mm, 420mm |
| 51.67 |
3100 |
360mm, 380mm, 420mm |
| 53.33 |
3200 |
360mm, 380mm, 420mm |
| 55.00 |
3300 |
280mm, 360mm, 380mm |
| 56.67 |
3400 |
280mm, 360mm, 380mm |
| 58.33 |
3500 |
280mm, 360mm, 380mm |
| 60.00 |
3600 |
280mm, 360mm, 380mm |
| 61.67 |
3700 |
280mm, 360mm |
| 63.33 |
3800 |
280mm, 360mm |
| 65.00 |
3900 |
280mm |
| 66.67 |
4000 |
280mm |
|
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