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Thread: high pitch noise? normal?

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Old 11-12-2005, 04:57 PM   #1
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Red face high pitch noise? normal?

Well, i dont know if its normal or not... I have a SR w/ 2 lathes 55T motors w/ clod buster...

it does make some high pitch noise when its moving fwd or rev sometime netural.. is it normal ?

I used to have nitro gas truck...thats why i was not sure..

Thanks!
Jake
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Old 11-12-2005, 08:10 PM   #2
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Yes that is normal it does it for my ESC 2.. its just the noise it makes.. =D
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Old 11-12-2005, 09:05 PM   #3
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Completely normal, all the ESC's I've ever had make a high pitch sound.
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Old 11-13-2005, 09:27 AM   #4
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there are magnets and coils in the motor just like in any speaker and you apply a high frequency pulse to them, thus the noise. As you accelerate more and more the noise goes away.
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Old 11-14-2005, 08:33 AM   #5
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Not the motor, this is completely standard for an ESC.
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Old 11-14-2005, 01:38 PM   #6
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it is normal but if its making the noise while stoped your trim is off
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