[NSRCA-discussion] Ball bearing clevis'

[Ed Miller]

DuBro 3MM bolts in surface ( finer thread than 6-32 ) and 4-40 pushrod 
threads.  I buy the 3mm bolts long enough, cut off the heads and sink them 
into the control surface, leaving a bit of the unthreaded portion above the 
control surface.
Ed M.
----- Original Message ----- 
From: "John Pavlick" <jpavlick at idseng.com>
To: "NSRCA Discussion" <nsrca-discussion at lists.nsrca.org>
Sent: Thursday, January 17, 2008 1:14 AM
Subject: [NSRCA-discussion] Ball bearing clevis'


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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