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Re: [Amps] Titan fan

To: "'Dave Bowker'" <>
Subject: Re: [Amps] Titan fan
From: "John E. Cleeve" <>
Date: Sat, 6 Sep 2008 13:14:03 +0100
List-post: <">>
Hello Dave,

Yes, I think that you are correct; the figures would need amending for two
tubes, and, I assume how the airflow is fed to the tube bases, that is, a
single air chamber beneath two tube bases, or two separate bases with a "Y"
hose connection to a single fan. A simple "U" tube water manometer, was
shown in several "tube period" ARRL handbooks, to aid the checking of "back
pressure", but I do not have access to a Titan, to carry out any
measurements. It just seemed unfair to me, that there appeared to be no
information on replacing an obsolete defunct Titan fan. Perhaps if you have
a greater knowledge of the subject/fans, you could amend my offering to the
reflector?   Sincerely, John.



From: Dave Bowker [] 
Sent: 06 September 2008 12:44
Subject: [Amps] Titan fan




The figure specified on Eimac data sheets is for ONE tube.   I believe your
calculation is for one tube --- am I correct?


73, Dave, K1FK
Fort Kent, ME

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