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[TowerTalk] Re: masts shims

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Subject: [TowerTalk] Re: masts shims
From: gdaught6@leland.Stanford.EDU (George T. Daughters)
Date: Mon, 6 Apr 1998 17:00:59 +0008
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hi all,

> << I just picked up some used Rohn 25 and a 25AG5 top section.
>  This top section from what I measure is 2.5" id. What size mast is this 
>  top secion made for? If I want to use a 2" mast does anyone sell a
>  sleeve for it?
>       Any mast that'll fit through it will work. Don't worry about
> sleeving/shimming it. Letting it bang around a little bit won't cause any
> significant problems. By sleeving it you'll probably pick up some binding
> somewhere as well.

the deeper in your tower the rotator is, the less significant the 
"banging around" will be.  a 1/4 inch displacement only a foot above 
the rotator might be bad.  the same displacement (on a somewhat 
springy mast) 10 feet from the rotator is not a big deal.


George T. Daughters, K6GT

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