We have parts here that are made from Teflon as well as Teflon Powders
and suspensions of Teflon in water? with a surfactant to keep it in
suspension.
Teflon flows at about 575 F so I was always wondering if anyone had ever
tried to use junk Teflon to cast a part.
---
Ron
On Mon, 2003-03-17 at 10:11, Mike Switzer wrote:
> I have decided to go with my original plan and build with 3CX1200 tubes. I
> am going to use the Z7 version per advice from several of you experts. I
> have most of the mechanical problems solved (ya sure) with the exception of
> cooling this thing. I searched my local Amp builder supply company (Home
> Depot) and found a very likely candidate for a chimney. The adaptor used to
> connect a toilet to the waste pipe is almost the correct size and shape. It
> of course is made of PVC(?) and would not withstand the heat(?). I have a
> friend that works in the heat treat industry and he offered to attempt to
> find a solution. I gave him a dead tube and the adaptor with the
> instructions to find someone that would machine this from Teflon. He did
> find a willing person but in order to get the Teflon in the correct size it
> would require a 1500 dollar min purchase from the Teflon supplier. This
> person suggested Phenolic(sp) as an alternative which could be purchased for
> under 200 dollars.
>
>
>
> Could you gentleman give me some input as to which material I can use please?
> I have no information on the material he is referring to as Phenolic. But
> he claims it to be very heat resistant and non conductive. I am sure he is
> talking about 60 cycle AC and not RF. So how about some suggestions? This is
> a wonderful opportunity for someone to tell me where to go.
>
>
>
> By the way I ordered Dahl plate and filament transformers (potted no less)
> and when the locals pull out the pictures of grand kids I whip out my pics of
> the xformers!!!
>
>
>
> Mike
>
>
>
> k8ze
>
>
>
>
>
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
|