robert briggs wrote:
> Hi all,
>
> I have been pondering for a solution for a chimney for various external
> anode tubes.I am currently completing another amplifier using a
> GS-31B.Not having access to Teflon or other expensive materials nor the
> finance to afford same I hit upon the idea of using some silicon baking
> sheet.I know the idea isn't new and I am wondering how many of you have
> actually tried it or at least thought about it.,I thought I would cut a
> strip of this material to make the cylinder and fasten it by "sewing" it
> up the join with a finer strip..Guess there is no other way of
> efficiently joining this stuff..However I will try this method tomorrow
> and let you all know how it goes..
>
Try using some silicone caulk such as clear bathtub or the stuff they
used to seal glass aquariums. Silicone rubber works great. Alpha uses
it in their big amps. Cut a sheet, roll up to fit the outside of the
tube, seal with silicone and go.
73
Roger (K8RI)
> I would be interested to hear any other suggestions.My research so far
> rules out poly tubing for chimneys..
>
> 73....Bob VK3ZL..
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