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Re: [TowerTalk] Water pipe as a mast

Subject: Re: [TowerTalk] Water pipe as a mast
From: K8RI <>
Date: Mon, 15 Oct 2012 03:42:34 -0400
List-post: <">>
On 10/15/2012 2:06 AM, Spencer wrote:
A PVC sink drain tube split spiral like and wrapped around the mast
works good. The top flange holds it in place
greased and protected from dust and dirt with a rubber pipe repair boot.
No effects from sunlight here at 6200' elevation

The top of a spray paint can cut out to fit the mast and extend down over the tube, sealed in place in the mast with Silastic RTV (TM) works very well.

after 3 years. The tower was a Rohn 25 and Cubex 5 band 2 el quad . The
rotor was a hy gain mounted on a plate inside the
tower. Alignment wasn't a problem and never any rust or binding

One problem using shims be they plastic or aluminum is that more than a few times I've seen tower tops that were not aligned close enough to permit the sleeve bearing without binding.


Roger (K8RI)



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