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Pushrod Bushings/Bearings

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Aerowerx

Well-Known Member
Joined
Dec 1, 2011
Messages
6,091
Location
Marion, Ohio
I have read where bushings or linear bearings can be used on long pushrods to prevent buckling.

Since the pushrods do not move in a straight axial fashion, how are the bushing used? Are they slightly over sized to accommodate the motion of the pushrod?

In the same light, how do the bearings work. Or are they also over sized?

Then there are idler arms, which would solve all these problems.

I was looking at one build log, for a Sonex IIRC, where the guilder removed the bushings and installed idler arms because he was unable to ge the full elevator range of motion.
 
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