Re: [TowerTalk] Weight of tower on the main bearing of a rotating tower?

[Richard Thorne <rthorne@rthorne.net>]

Thanks for all the replies, very educational.

Rich - N5ZC


On 5/31/2015 7:48 AM, Richard Thorne wrote:
> I'm finishing up the rebuild/refurbish of the parts for a 55g rotating 
> tower.
> I was pondering and I'm curious.  How much weight will the main 
> bearing have to take? It's one thing to add up all of the components 
> on the tower but then there's the downward force of the guy wires.
> I did some quick math and I'll probably have less than 2500 pounds of 
> tower, rotating rings, antennas, coax assembles etc.  I'll be using 
> 1/4" guy material which is rated at 6700 lbs and requires 10% 
> tension.  The rotating base will be at ground level.
> Any idea how much weight the bearing will actually have to take?
>
> Thanks
>
> Rich - N5ZC
>
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