[TowerTalk] Noob question re: Thrust Bearings

[Charles Gallo]

That K3EJJ design is what I’ve been saying exactly what needs to be made, and I thought about

BZ to him on that. Very nice. IF there was enough demand, castings would be the way to go, but

--  
73 de KG2V
Charlie

> On May 10, 2020, at 3:43 PM, john at kk9a.com wrote:
> 
> I am visualizing a simple rectangle block with four mounting holes and a
> large hole bored in the center maybe .010 larger than the mast   K3EJJ
> manufactures split nylon bearings with a Rohn hole pattern that can be
> installed as a replacement without removing the antennas.
> 
> In Aruba I used Create bearings which I think were some type of plastic
> inside.  They never froze up like the Rohn bearing I tried.
> 
> John KK9A
> 
> 
> 
> 
> Richard Smith N6KT wrote
> Peter,
> Thanks for sharing the PI4CC photos and info. Lots of good engineering. 
> I am also interested to see Grant's design of a radial top bearing with 4"
> thick UHMW.
> 73, Rich, N6KT   PJ4K
>    On Sunday, May 10, 2020, 07:45:17 AM PDT, Peter <pc2a at pi4cc.nl>
> wrote:  
> 
> Rich,
> 
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