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Pitts Slave Strut bearings KP3L Installation Questions

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rbilu

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Have a question.

The slave strut arms on the S1-11b have a .625 hole reamed to .6245 for the KP3L bearings.
As an interference fit, is there an easy way to install this without the machine shop doing it?
Freeze the bearing, heat the arm????
Will .5 of a thousandth squeeze the bearing too much and impede its freedom to roll?

The plans call for the bearing to be "roll staked" to assure that it won't come out? Is this common to all the Pitts or just the S1-11b? What have others done here?

I think I pressed them in with a socket, bolt and washer on my Stearman back in the day. That was on the hinges as there were no slave struts.

roll stake slave strut.JPG
 

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