[TowerTalk] Recommendation for mast on bottom mount rotator

Dale Martin kg5u at hal-pc.org
Mon Sep 18 00:46:50 EDT 2006

> <snip>
> >K8RI made a good point.. I assumed that you'd have another thrust 
> >bearing at the bottom to hold the weight of the torque tube. If not, 
> >then the entire weight of the tube will also be on your top 
> thrust bearing.

I thought the purpose of a thrust bearing was to stabilize the mast
horizontally and not to take the weight of the mast/antenna array off the
rotator.  The set screws are adjusted to remove 'wobble' or mast slop and
not to take on the mast/array weight.  

Or is that completely wrong? 

Dale, kg5u


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