High pitch ringing/buzing?

[rockunlimited2]

I have noticed when I run my RS10, went it is just sitting there, I only hear the fan running, but when I pull forward, it makes a high pitch buzz/ring for the entire time it moves. It has to be the elecs because even before it moves I hear the ring. Is that normal?

 

[jsowens]

Yep, as far as I know it's normal. It's the noise from the ESC...it's kinda obnoxious, but you get use to it.

 

[rockunlimited2]

OK, I tought the 9 year old did something to it. Still looking for the remote.

 

[rockunlimited2]

Just found it. Time to charge and play.

 

[armalite_ar50]

Ya mine does it to. Only with the stock esc. When i was running dual traxxis xvl5's it didn't make that noise. Since i installed the hh 454 pullers i've went back to the stock electronics. later. Rich