RE: Can't get servo's to stop chattering!! GGRR!
Yes, it's likely a screwy RX.
Your radio doesnt have it, but ABS....anti-lock brakes. I'ts kind of weird to set up ABS and I could see it coming on.
Hope you like the Flysky....if it's the one I'm thinking of, it's a very inexpensive 2.4GHz system with really inexpensive receivers. I'm thinking of getting one and a bunch of spare Rx's so I use one radio for all my vehicles.