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radio glitching


Old 04-01-2010, 07:19 AM
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Default radio glitching

Hi there I have a radio that I am using with a receiver that, to be honest, has been a bit through the wars (whilst still learning the art of flying/crashing). However with three of the original servos in it is absolutely fine and passes the range test. However, with a no name brand servo that I picked up from a hobby shop when I was a bit desparate to fly fitted as an aileron servo, there is very wierd glitching happening. Almost like 'mixing' between the aileron and rudder, as well as a bit of elevator, but not mixing in a good way!! More like a sort of 'kick' from the rudder when the ailerons are operated.

Now my question is is it the radio or the servo? As I said when I replace the servo with a JR or HITEC there is no problem. Could it be that I need new crystals? It is a FM radio, I think 35.010 or something like that!! I don't want to spend money that I don't need to but I also can't afford this to carry on, I need peace of mind when the thing is in the air.

Any help much appreciated still learning a lot.
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Old 04-01-2010, 09:03 AM
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Default RE: radio glitching

Since it only glitches when the off-brand servo is plugged in, I'd say it's the servo. Does it glitch no matter what channel the suspect servo is plugged into, or is it just the aileron channel? Charge it up and plug in good servos. Wiggle all the connections. Sometimes a loose one will cause a glitch. Cycle everything several times to check for proper movement. Do a range check, in a plane with the engine running, if possible.
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