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[TowerTalk] Taping of Element Clamps

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Subject: [TowerTalk] Taping of Element Clamps
From: W4EF@pacbell.net (Michael Tope)
Date: Mon, 18 Oct 1999 23:17:45 -0700
I am in the process of prepping a KLM 40M4 and KT34XA for 
reinstallation at our club station, and was wondering what
the collective wisdom was on taping of element joints. When
the antennas were initially installed a number of years ago
all of the element section joints appear to have been taped 
with some kind of electrical "fusion" tape (black PVC with 
extra thick rubbery adhesive coating). Presumably this was
done to keep moisture away from the element mechanical joints. 

In most cases, the combination of this "fusion" tape and a 
coating of Penatrox/anti seize (not sure what was used originally) 
seems to have done a good job. Nevertheless, I am wondering if 
this evident performance wasn't mostly due to the Penatrox since 
the voids between the SS hose clamps and the elements seemed to 
have accumulated a fair amount of precipitate (white powdery stuff), 
whereas the joints themselves, for the most part, did not seize 
or corrode (a couple of joints did seize, but I suspect that the 
builders may have forgotten to coat these joints with Penatrox). 

Any thoughts out their on the efficacy of this technique (taping)? 
Is it worth the trouble and can I expect to get similar results with 
regular electrical tape (Scotch Brand 33) as opposed to the 
"fusion" tape?

Thanks,

Mike, W4EF................... 


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