Old 08-19-2016, 08:30 AM
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Join Date: Mar 2009
Location: Aberdeen, Scotland
Posts: 6,122

FM radios were quite susceptible to RF interference generated from the motor and ESC. To stop RF being sent down the throttle wire from the ESC to the receiver all ESCs used to have a ferrite choke ring .

here is a typical ferrite ring:

And here is one on an ESC:

Hardly anyone uses FM these days so many ESCs now don't have them, the photo I found online of your ESC doesn't seem to have one:

I'd suggest you check to see if the ESC has a ferrite ring fitted on the throttle wire, if it doesn't install one.. or better yet get a 2.4GHz radio system.. they can be had very cheap.
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