[TowerTalk] Tower leg insulators and covering

[Roger (K8RI) on TT]

On 9/2/2014 11:35 AM, Mike Bragassa wrote:

Many paints will work as well. Don't use clear. It'll work...kinda. It's 
fine if it'll block UV

On a lathe, use carbide tools and a vacuum to keep the powder out of the 
ways and gears (and your lungs).  It's highly abrasive and can take the 
precision out of precision lathe<:-))

Other than that, it's fairly easy to machine.

I've seen the big commercial VHF verticals coated with an ample layer, 
or layers of plain epoxy, but they had to be redone every few years. 
Results varied.  Those things are heavy and awkward.
I think paint worked better.  Some ham verticals use a thin coat of 
gloss epoxy paint, but after a year or two it rubs off on hands and 
clothing.  But it will protect the fiberglass underneath for quite a few 
years if not rubbed off.

73

Roger (K8RI)

>>>>>> I can fab them myself from fiberglass rod and protect them with
>>>>>> an umbrella of some sort, but would rather save the time with an
>>>>>> off the shelf product.
> 1.RE: As Roger says; cover the fiberglass with 'something'. I chose white
> electrical tape. See image(s)
> 2.Tower leg insulators: I made mine. Had a ham friend; skillfull w/ a lathe
> do that lathe part for me..See images.
>
> 73 de Mike, K5UO  et al
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-- 

73

Roger (K8RI)


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