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Twitchy steering servo.

Skynet5

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I had a twitchy steering servo. When the car was on the starter box, the wheels would twitch.

Touch them and it stops.

I began to investigate. Taking wheels off would sort it, as would disconnecting the servo from the linkage. BUT I noticed I was not using the inner hole on the alum horn, and I had put a washer on the wrong side of the pivot ball, so the ball was chewing the plastic or the servo arm. Vid shows issue. Pics show adjustments. I also ensured the horn and arms where parallel, they were just, but made a few tweaks there too.
.

It appears to be better....I think something was hitting a natural frequency and starting a vibration.

This might help someone
 

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Skynet5

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Full day at the track. Servo solid. I guess the strain/friction and off alignment made the servo constantly search.
 
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