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1. [Amps] Teflon Chimneys (score: 1): Author: "Chris Bartram" <gw4dgu@blaenffos.org>; Date: Tue, 16 Sep 2003 21:35:00 +0100; Back in the mists of time I built a K2RIW PA for 432MHz. That used a pair of 4CX250BMs in parallel with a reverse airflow system, and would seriously endstop a 1kW Bird slug in class-C without overdi; /archives//html/Amps/2003-09/msg00148.html (8,007 bytes)
2. Re: [Amps] Teflon Chimneys (score: 1): Author: "Ian White, G3SEK" <G3SEK@ifwtech.co.uk>; Date: Wed, 17 Sep 2003 07:02:20 +0100; Chris Bartram wrote: Back in the mists of time I built a K2RIW PA for 432MHz. That used a pair of 4CX250BMs in parallel with a reverse airflow system, and would seriously endstop a 1kW Bird slug in c; /archives//html/Amps/2003-09/msg00151.html (10,299 bytes)
3. [Amps] Teflon Chimneys (score: 1): Author: Robert Briggs <vk3zl@bigpond.com>; Date: Sat, 14 May 2011 18:33:07 +1000; Hi all...I have been thinking of ways to make Teflon Chimneys for GS-31 and 35B tubes from 1mm sheet...I am finishing off a 2 meter and a 70cm amplifier at present and would like some opinions... The; /archives//html/Amps/2011-05/msg00094.html (7,030 bytes)
4. Re: [Amps] Teflon Chimneys (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Sat, 14 May 2011 04:39:02 -0400; There is an adhesive for joining Teflon to Teflon. 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/a; /archives//html/Amps/2011-05/msg00095.html (7,227 bytes)
5. Re: [Amps] Teflon Chimneys (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Sat, 14 May 2011 12:04:15 +0100; W2GN had very good results with brown mylar parcel tape In his ARCOS series of VHF/UHF amplifier kits (2 x 4CX250R/8930). The chimneys in my ARCOS K2RIW survived 20 years of very hot air. The method; /archives//html/Amps/2011-05/msg00096.html (8,446 bytes)
6. Re: [Amps] Teflon Chimneys (score: 1): Author: "Evert Bakker $PA2KW$" <evert@pa2kw.com>; Date: Sat, 14 May 2011 13:20:53 +0200; Use staples (cheap, easy and reliable) Made several of these. No problems so far in 20 years 73's, Evert PA2KW --Oorspronkelijk bericht-- Van: amps-bounces@contesting.com [mailto:amps-bounces@contest; /archives//html/Amps/2011-05/msg00097.html (8,421 bytes)
7. Re: [Amps] Teflon Chimneys (score: 1): Author: TexasRF@aol.com; Date: Sat, 14 May 2011 07:23:30 EDT; Bob, I have made Teflon chimneys like that for 2m, 70cm and 23cm amplifiers using small aluminum pop rivets to join the ends of the sheet. The lower rivet was spaced away from the amplifier tube anod; /archives//html/Amps/2011-05/msg00098.html (7,690 bytes)
8. Re: [Amps] Teflon Chimneys (score: 1): Author: George <K4GVT@comcast.net>; Date: Sat, 14 May 2011 09:04:27 -0400; Bob, take a look at the link below, they have all kinds of plastic rivets, they work very well. http://www.itw-fastex.com/catalog/index.php/dw/op/a/6/c/14/p/27?m=no http://www.itw-fastex.com/rivets.h; /archives//html/Amps/2011-05/msg00099.html (8,511 bytes)
9. Re: [Amps] Teflon Chimneys (score: 1): Author: "Jim W7RY" <w7ry@inbox.com>; Date: Sat, 14 May 2011 06:51:37 -0700; Simply drill holes into the finished chimney then use nylon screws to hold the Teflon together. Works fine. 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesti; /archives//html/Amps/2011-05/msg00100.html (8,715 bytes)
10. Re: [Amps] Teflon Chimneys (score: 1): Author: N1BUG <paul@n1bug.com>; Date: Sat, 14 May 2011 10:14:08 -0400; Oops, sorry... forgot to change address on reply... below is how I make my teflon chimneys. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesti; /archives//html/Amps/2011-05/msg00101.html (8,469 bytes)

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