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[TowerTalk] Lube a Rohn Thrust Bearing?

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Subject: [TowerTalk] Lube a Rohn Thrust Bearing?
From: (Chuck Dietz)
Date: Sat, 14 Jun 1997 07:51:29 -0500
John Brosnahan wrote:
> I have been making bearings out of UHMW (ultra high molecular weight)
> polyethelene material--fairly cheap to buy--you can saw it to size on a
> table saw and cut a hole in the center with a hole saw.  Never needs
> lubrication and can't rust.  Just drill it out to fit the holes in the top
> plate
> for the TB-3. 


This sounds interesting, but I am dense.  If you have a flat sheet of
this material and drill it to let the mast pass through, what "sits" on
the plastic to bear the mast weight?


Chuck, KE5FI

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