RCCrawler Forums - high pitch noise? normal?

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JAKEF150FX4

11-12-2005 04:57 PM

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

savageRACE

11-12-2005 08:10 PM

Yes that is normal it does it for my ESC 2.. its just the noise it makes.. =D

SVEN	11-12-2005 09:05 PM

Completely normal, all the ESC's I've ever had make a high pitch sound.

Frakk

11-13-2005 09:27 AM

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.

cheapjeep2

11-14-2005 08:33 AM

Not the motor, this is completely standard for an ESC.

roadkill424

11-14-2005 01:38 PM

it is normal but if its making the noise while stoped your trim is off

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