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Airspeed preflight Calibration with Android device

Posted by Rob Lowe on March 12, 2014 at 5:36pm

Hi,

I just started using a Nexus 7 tablet in a GCS.

The problem is that neither Droidplanner nor Andropilot have any way of doing a preflight calibration for airspeed.

Does anybody know how to do this?

Is there a work around to achieve airspeed calibration until it is added to one of the android apps?

Thanks,

Rob

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android, airspeed, andropilot, calibration, droidplanner, preflight

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Replies

Rob Lowe March 13, 2014 at 12:27pm

Hi Andre,

I have done ARSPD_AUTOCAL and that is fine. I am referring to preflight calibration like found in Mission Planner.

When the APM is first plugged in the airspeed is always at a high level even with the plane motionless.

The preflight calibration brings it close to 0.
- Andre K. > Rob Lowe March 13, 2014 at 11:54pm
  
  strange, it might be due to the fact I run a little older Arduplane. -still, do not know why something needs to be done manually.
Andre K. March 13, 2014 at 10:44am

There's no need to do it often.

For calibration; disable ARSPD_USE

You can achieve very good calibration by enabling ARSPD_AUTOCAL , then disable it when you are happy with the results , enable ARSPD_USE

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