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  1. GreggC

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    Hey guys,
    Listen to this video,
    What is that screeching sound ??
    This is the maiden flight.

     
  2. bunkphenomenon

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    The P3S does the same thing. :It doesnt seem to affect performance.
     
  3. Sinisalo

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    Sounds normal to me, my gimbal motors make a loud screeching sound when I tilt too far to one side or the other
     
  4. GreggC

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    Really??
    I have two P3's my buddies Scott and Clay have P3's and I've never heard it.
    Four P3's I've been exposed to and I never heard this.
     
  5. bunkphenomenon

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    P3Standard. Yes. Theres a thread about this topic on the P3S a few weeks ago. Several people reported theirs doing this.
     
  6. Gary M

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    Mine has done it since day one when I got it. I haven't seen anything adverse because of it, but I have been worried if this was normal or if something was wrong. Just got done flying 15 minutes ago and it was doing it tonight too.
     
  7. Gorbra47

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    My P4 sounds like yours! But so far I have not had any problem flying.


    Sent from my iPad using PhantomPilots mobile app
     
  8. Seawolf

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    Sound like metal on metal. When you land feel each motor to see if one is hotter than the others.
     
  9. GreggC

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    Good idea, Ill check it out and let u guys know.
     
  10. LuvMyTJ

    LuvMyTJ ADMINISTRATOR
    Staff Member

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    I have observed this on many tiny brushless motors like these. Seems to be the norm. Just part of the way they sound at certain rpm's.
     
    Mark C., maseman88 and alokbhargava like this.
  11. Gary M

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    I see you giving so much advice here I trust your pro opinion. I had hoped that it was something like you described. Thanks for clearing up.
     
  12. Justgregg

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    Every drone i have built makes that noise. My 4 ft octo really shrills....i accout that noise to the motors. If i dont hear that shrill im freaking out, landing and checking my motors!Totally normal. All my phantoms made that noise and my inspire makes it too.
     
    #12 Justgregg, Mar 21, 2016
    Last edited: Mar 21, 2016
    maseman88 and bunkphenomenon like this.
  13. clintgeaney

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    Mine makes exactly the same noise on the P4.
    I checked to see if the engines were hot.

    They all felt the same - Warm but not burning.

    So I then flew my P3 Advanced.

    It doesn't have this sound and the engines were cooler.

    It was the P4's maiden flight so I'll continue to monitor it and let you know.

    Cheers
     
  14. Air Ontario

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    It's all the tiny air molecules screaming as the blades cut thru them.
     
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  15. Dirby

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    all I could hear was the motors running.
     
  16. dewster

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    Phantoms make noise. Boo!


    Sent from my iPhone using PhantomPilots mobile app
     
  17. Justgregg

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    When you fly thru bugs they scream when you chop them up. Thats my opinion.
     
  18. Moonwalker1968

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    My Phantom 4 produces the same screeching sound. The Phantom 3 does not do it. I'll monitor it. Maybe it will fade away with time.

    Markus
     
  19. mirrorimage

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    The sound a banshee makes when flying like the wind?
     
  20. Guner

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    Thats seams not like normal sound


    Sent from my iPhone using PhantomPilots mobile app