Phantom 4 Pro Clunking Noise at Start-Up

[Don Barar]

Hi All,

I had the occasion of starting the motors on my Phantom 4 Pro without the propellers on. I heard two rapid clunking sounds. I have upload a YouTube Video. Can anyone tell me if this is normal behavior?

Thank you in advance.

Don Barar

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[msinger]

My Phantoms make that sound too. They also make that sound when the props are attached (just sounds a bit different).

 

[Don Barar]

Hi M,

Thank you for your help.

Don Barar

 

[jeffames226]

normal

 

[Don Barar]

Thanks Jeff.