Motor Vibration + Unable to launch copter

Hey Guys!

I am building my own quad-copter. I was able to calibrate everything and finished building it. Unfortunately, you can see in the video attached that one motor stopped and the others did a lot of vibrations. 

Also, we witnessed vibration of the motors even before the shutdown of one of the motors.

Can anyone tell me why those vibrations are happening? Is it a calibration error, propellers, motor, pixhawk? Power?

Thank you!


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Shivchand Jaysaval liked Shivchand Jaysaval's profile
Aug 25