Servos twitch when I start motor, why? - RC Groups
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Jun 10, 2003, 02:24 AM
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soholingo's Avatar

Servos twitch when I start motor, why?


I am hoping someone can help me answer this question. My setup is as follows...

Flash 8 (F5B) sailplane

Hacker FAI F5F motor
6.7:1 Gearbox
Hacker Master 105amp opto controller
3 hitec servos
hitec 555 rx

When I start this the motor, then servos twitch, and it's not consistiant. about every third blip I get a twitch of the ailerons either up or down.

Any thoughts?
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Jun 10, 2003, 02:39 AM
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soholingo's Avatar
never mind....

Seems that by simply extending the antenna during testing, I have averted this problem...
Jun 10, 2003, 12:39 PM
Registered User
vintage1's Avatar
You probably have some low level interference then.

Twisting motor wires and putting chokes (ferrite beads) on ESC and servo wires into teh RX may reduce it belwow detectable. etc.
Jun 10, 2003, 01:21 PM
Space Coast USA
hoppy's Avatar
Have you treated them badly in the past? Maybe they don't want to go flying
Jun 10, 2003, 01:31 PM
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soholingo's Avatar
vintage all wires are twisted...

I must admit, that this is a new setup to me, and that it was once owned by someone else. Thanks for the input...

Jay