Test Flights - Slight Twitch/Pulse - ArduCopter User Group

Posted by Daniel Estes on June 14, 2014 at 12:19pm

Approx. every 10 seconds my quadcopter will slight twitch/Pulse during my test flights. I am using the APM 2.6 flight controller.

Any advise, or direction would be greatly appreciated.

Thanks.

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Gustav Kuhn June 16, 2014 at 6:50am

I loaded the latest firmware onto my standard 3DR quad, apm 2.5 today, and the standard .param file, only done stab flying, but it appears to be quite locked in.

Oh, the clicking noises from the motors are gone too :-)
- Daniel Estes > Gustav Kuhn June 27, 2014 at 12:54pm
  
  Well, I reloaded the firmware and calibrated the copter. It twitched about three times and took a nose dive at about 12 feet. It took out three Graupner props and an 8000 mAh battery. - not happy.
  
  As I have mentioned before, this is not my first APM. Verrrrrrry frustrated.
  
  Attached is the tlog.
  
  Need some help.
  
  Thanks.
  
  2014-06-27 15-18-15.tlog
- Daniel Estes > Daniel Estes June 27, 2014 at 1:49pm
  
  I could be wrong, but something looks suspect in the RAW_IMU graphs. If so, what is the cause?
  
  Need some help.
  
  Thanks.
BustamyTool June 14, 2014 at 1:17pm

Try to erase then reboot board.
- Daniel Estes > BustamyTool June 14, 2014 at 1:29pm
  
  Okay
  
  Also, when you say erase, do you mean the following?
  
  Terminal
  
  Setup
  
  Erase
  
  Thanks.
3D Robotics

Chris Anderson June 14, 2014 at 12:47pm

Upgrade to latest firmware

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