Topband: Shunt Feed - Insulated Elements on Yagi

[john]

I once fed a tower with a klm 40m beam with an  insulated DE on it with and the coax taped to the boom. The insulation on the coax broke down and the coax caught fire. I grounded the DE. Problem solved. 
 
John  K9DX
 
> Date: Thu, 18 Dec 2014 05:43:06 -0600
> From: wa5rtg at gmail.com
> To: topband at contesting.com
> Subject: Topband: Shunt Feed - Insulated Elements on Yagi
> 
> I have never had an issue with this on any tower I have shunt fed that had
> a Yagi at the top with insulated elements, but then again my insulators are
> probably a lot better than the average ones used on commerical antennas.  I
> am thinking about shunt feeding a tower that is not mine and wanted to know
> whether anyone has had any issue runniing 1500 watts to a shunt fed tower
> that has a Yagi at the top with insulated elements.  Im not wanting to
> ground elements and don't need additional top loading.  What I would like
> to know is anyone has done any damage or melted anything.
> 
> Thanks...Stan, K5GO
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