On 10/31/2016 04:10 AM, Roger (K8RI) wrote:
Gerald already mentioned using Teflon sheet. I'd use high temp epoxy or
glue instead of screws. I don't like electrical conductors sticking
through insulating material.
I use Teflon sheet and nylon machine screws and lock nuts. Initially
I was concerned about heat with the nylon hardware but I have not
had any problems. Here is a chimney for a 4CX1500B which has been in
service for 15 years at 1500 watts out, including high duty cycle modes:
http://n1bug.com/chimney.jpg
73,
Paul N1BUG
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