Towertalk
[Top] [All Lists]

[TowerTalk] Supporting mast in 45G below thurst bearing

To: <towertalk@contesting.com>
Subject: [TowerTalk] Supporting mast in 45G below thurst bearing
From: DavidC" <eDoc@netzero.net (DavidC)
Date: Wed, 27 Oct 1999 18:46:22 -0400
Why not a second thrust bearing a foot or two above the
rotor position?

73, DavidC  K1YP

> 
> I will have a need to replace the rotator in my 45G tower and am
> wondering if anyone makes/sells a clamp or other kind of gizmo that
> can be put on after the fact (i.e., now that the antenna is already
> constructed) that would provide a secondary lateral support for the
> mast near the (to be removed) rotator. In my case the rotator is
> about 8' below the thrust bearing, and when I would remove the rotator
> there is nothing else to keep the stack above the TB from toppling
> over (save for a rope attached up the mast and held under tension,
> which is now I did this last time). I'm sure I could make such a thing
> but I don't want to spend limited time resources that way and would
> prefer to find something already made (the mast, 2" and tower size,
> 45G, are so common that I hope there is a commercial product sold that
> can be used for this purpose). As the new rotator may locate the mast
> above/below it's current placement, I am thinking that something
> which can be put in place then tightened as needed (or loosened
> as needed) would do the trick.
> 
> TIA,
> 
> 73 Dave WB0GAZ dgf@netcom.com


__________________________________________
NetZero - Defenders of the Free World
Get your FREE Internet Access and Email at
http://www.netzero.net/download/index.html

--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>