This goes back to the 60's so I have no idea what is relevant today nor what
country those parts are made in now.
Id suggest doing a Google and see whats current in discussions.
And a call to Eimac should also generate an answer.
Carl
KM1H
----- Original Message -----
From: "Russ Williams" <hrd998cc@yahoo.com>
To: "Stirling Schmidt" <kc0nxm@sbcglobal.net>; "AMPS submit"
<amps@contesting.com>; "Carl" <km1h@jeremy.mv.com>
Sent: Monday, July 14, 2008 3:25 PM
Subject: Re: [Amps] cooling chimney?
> Carl, can you elaborate on the problems using Coleman chimneys? I plan on
> using them for a 4-400a project and also know of 2 other hams using them
> in conjunction with GS-35b's. It seems the Pyrex/borosilicate glass would
> be ideal for this application. If there have been confirmed disasters
> using them, other avenues may need to be pursued.
>
> I suppose a test in the microwave oven would illuminate any faults in the
> Coleman's glass formula...
>
> Thanks.
>
> Russ W6OHM
>
>
>
>
>
>
>
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