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RC aircraft set up problems Answered

Hi all,

I am new to the world of RC aicraft, I have purchased 4 complete used (probably the wrong move) scratch built RC aircraft which have a variety of RXs and servos.

The planes came with no TX, so I purchased a used but good (so I'm told) Sanwa RD8000 35Mhz TX (all of the RXs are 35mhz), I purchased a no.64 crystal (I could only get a Futaba one which I hope is the same) for the TX to match the RX crystals.

I have programmed the TX the best I can keeping it simple, the problem is that when I switch on the TX the servos in the planes just either chatter or drive erraticly from end to end and seem to have a mind of their own.

Any ideas ??

Please note! I'm an old guy soplease be gentle with the terminology and technology.