[Amps] Chimney's

[Roger]

MIKE DURKIN wrote:
> Where is the best place to get ptfe  4in Id pipe from ?? Yep, for a GS35B ...
>   
Why go for PTFE?  Silicone sheet (Which Alpha and others have been using 
for years) is far cheaper and easier to work with. Besides the silicone 
sheet does not break down into hazardous materials with an arc, or high 
temperatures while Teflon certainly does.

The RED, high temp silicone sheet used as baffle material in aircraft 
engine compartments is easy to work with and can be glued into a 
cylinder with the proper glue (or silastic RTV (TM) if held in place 
while curing). It's also easily obtainable. IF you can find it there is 
even a RED, high temp, Silastic RTV(TM) available to glue the things 
together.

73

Roger (K8RI)
> KC7NOA
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