[Amps] Chimney's

[Alex Eban]

You can also take a glass jar with the appropriate internal diameter, wrap
around the side a shoe lace soaked in lamp oil, light it. When spent just
pour a spoon of cold water over the glass: it will crack quite nice. You can
spend a couple of old jars to get the knack of it.
Edge finishing is done with a piece of emery cloth and a sanding block. I
did it for a pair of 4CX250 tubes.
Alex   4Z5KS 

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of Mike McCarthy, W1NR
Sent: Friday, January 15, 2010 2:47 AM
To: MIKE DURKIN
Cc: amps fourm
Subject: Re: [Amps] Chimney's

I don't think I've seen Teflon pipe in a size that big. If it is made, it is
probably astronomically expensive. You are probably better off getting sheet
and wrapping it into a tube. See www.smallparts.com.

Mike, W1NR

MIKE DURKIN wrote:
> Where is the best place to get ptfe  4in Id pipe from ?? Yep, for a GS35B
...
>
> KC7NOA
>
>   

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