[TenTec] Centurion

[Lew]

Funny-I bought an ART13 that was stored 30 years and it fired right off and
still runs great  several years later. Maybe pure luck. 73s Lew/K1NDV 
 
-------Original Message-------
 
From: CATFISHTWO at aol.com
Date: 12/11/05 13:56:50
To: tentec at contesting.com
Subject: Re: [TenTec] Centurion
 
 
I am not a Tube expert by any means but  This  is supposed  to be true, I
run
all my metal tubes for an hour or so each months, and I  suppose this also
keeps everything else good too.  ( cap etc.) .  I am  not sure of the source
of
this info, ( a mind is a terrible thing to loose!!)  but I believe it is
correct, and some components of the tube  off gas a few  molecules of O2 and
such.
and the vacuum can never be perfect.  I wonder if  any one else is familiar
with this..
 
tom N6AJR
 
 
 
In a message dated 12/10/2005 7:06:24 P.M. Pacific Standard Time,
ghoffman at spacetech.com writes:
 
I have  two observations about all this, or perhaps I should call  them
questions.
 
First of all, I thought a tube was supposed to be  pumped down to a very
good
vacuum and then completely sealed.  Thus  there should not be gas leaking in

It should not accumulate over  time.  If it does, its gone bad.  Is this not
so  ?
 
Secondly, I thought the getter was used once, when it was "fired" at  the
factory.  I did not believe that it was at all functional beyond  that
single
use.  Is this not so ?
 
I've never read before about  turning on an amp for a long time after a
period of disuse, to "clean up  gas" in the tubes.  Has anyone else (besides
the original poster here)  ?  I have heard of course about reforming the
electrolytics after a  period of disuse.  Could we inadvertently be
confusing
these two  different concepts ?
 
73 de Gary, AA2IZ
 
 
 
 
_______________________________________________
TenTec mailing list
TenTec at contesting.com
http://lists.contesting.com/mailman/listinfo/tentec