High pitched whistle

[Newbieguy]

After about 2.5 hours on a P3S I've developed a loud high pitched whistle. It's not the props, I've checked for a hot motor, I can't see any debris in the motors. All the motors spin evenly. I'm afraid I have a bearing problem. Any comments? The video below is not my drone but it makes the exact sound.

 

[Newbieguy]

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[Deleted member 62848]

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Hi ,,pretty sure it ok if sound like that,,mine whistle,,if sounds like that with no props well that different

 

[LarBear360]

Hi ,,pretty sure it ok if sound like that,,mine whistle,,if sounds like that with no props well that different

I get that, too though maybe not as loud. I think it's normal.

 

[N017RW]

Some whistling is common. A bearing problem would cause that motor to feel a bit hotter than others.
So whistling alone is not a cause for concern. Keep monitoring post-flight motors temps for confidence all is OK.

 

[Newbieguy]

Thanks for the input. Much appreciated. What's left of Irma is here in Kentucky. We have about 16 to 20 MPH ground wind. I'm going to keep her in today. I will report back. Thanks again