john@kk9a.com wrote:
> Don't the two bearings that you have installed hold the weight of the mast
> leaving no vertical load on the rotator?
>
Which would be a bad idea. The Ham series should have at least some
weight on them. I think the Tailtwister will hold up to 500# but that's
from a foggy memory at best. Every one seems to list wind load, but I
don't find any listings for the dead weight load limit for the ham series.
73
Roger (K8RI)
> John KK9A
>
>
>
> To: "TOWERTALK" <towertalk@contesting.com>
> Subject: [TowerTalk] Rotator vertical loading
> From: "Brad Anbro" Date: Sat, 26 Sep 2009 09:42:28 -0000
> List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
>
> Hello T-T'ers,
>
> A long time ago, HyGain (Telex / HyGain) used to put a
> specification for allowable vertical loads in their manuals.
> I was wondering about the maximum vertical load for a
> Tailtwister rotator.
>
> I have 2 thrust bearings in the tower & mast system, so
> side loading is not a problem. Thanks for any help!
>
> 73 de Brad, N9EN @ Radio Free Roscoe (IL)
>
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