[NSRCA-discussion] Ball bearing clevis'

[John Pavlick]

I'm thinking about using ball-bearing clevis' on a new airplane. What is everyone using for 6-32 bolts through the surface and 4-40 pushrod threads? Also - what's the best thing to use on the control surfaces? 6-32 screws or threaded rod? I remember hearing that one or the other wasn't good because it was too brittle and it could braek.

John Pavlick
http://www.idseng.com
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