Servo glitching - RC Groups
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Oct 22, 2017, 10:47 AM
Registered User
Go4it's Avatar
Question

Servo glitching


What would cause this glitching on a PNP factory wiring. The ESC is not even hooked up. It only glitches when you move the ailerons. Any suggestions would be great. I guess I will have to rip out the wiring and re-do it and see if this will help.
This is the video that shows how bad it is.

Glitching servos (1 min 28 sec)
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Oct 22, 2017, 12:33 PM
S.A.D. member
ivanc's Avatar
What receiver, what battery, what servos?

How's the receiver supposed to get power - using a separate battery or through the BEC in the ESC or using a separate BEC from the motor power battery?

The wiring is probably the last thing that might cause the glitching.

Ivan
Oct 22, 2017, 07:43 PM
No bounce, No play.
davidmc36's Avatar
Sure smacks of possible inadequate power supply. Or a bad servo drawing excessive current that pulls the voltage low.

What about those ailerons? Are they travelling too far and binding causing the servo/s to draw a lot of power?

Also, how close to the plane is your Tx during the video?

As Ivan said, more details about the Rx make, any voltage measurements to see what it is doing?
Oct 27, 2017, 10:31 PM
Registered User
!0 times out of 9 it's the receiver going bad.
You can rebind it and some times it get OK but it'll
come back.
Ditch the rec before it ditches the plane............

Ask me how I know.....
Oct 28, 2017, 12:29 PM
Julian T
Quote:
Originally Posted by ramair_bryan
!0 times out of 9 it's the receiver going bad.
You can rebind it and some times it get OK but it'll
come back.
Ditch the rec before it ditches the plane............

Ask me how I know.....
Ok, I'll bite! 9 times out of 10 it's not the rx! Or the wiring. It could be either but very unlikely. More likely to be a faulty servo. See David and Ivan's comments and questions. Answer them and you may get a sensible answer.

Julian


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