[Elecraft] OT aluminum oxide

[WILLIS COOKE]

If anyone knows the answer to this one, I say it is not off topic.  It is not 
Elecraft, but it sure is ham radio.  I have had some mixed results from heating 
the outer tube with a propane torch, but it is by no means fool proof.  The only 
fool proof method that I know is to treat the joint before assembly and take it 
apart every couple of years.  I use to use grease mixed with graphite powder and 
that worked very well, but our environmental friends have made it so that 
finding graphite powder is difficult to impossible.  There are various products 
available now at high prices to do the job.  After the fact is really tough and 
sometimes a hack saw and a splice may be in order.  These are not great answers, 
but they are the best I can do after 50 years of fighting the problem.
 Willis 'Cookie' Cooke 
K5EWJ 




________________________________
From: 2Cents <2cents at charter.net>
To: elecraft at mailman.qth.net
Sent: Tue, October 19, 2010 11:38:28 AM
Subject: [Elecraft] OT aluminum oxide

Does anyone have experience freeing antenna parts that have seized with
aluminum oxide?  I'm trying to free up the sections of a 32' boom for
transport.  The sections are swaged 6" and penetrating oil doesn't seem to
be cutting it.
Please reply direct so as not to clutter up the reflector with a
non-Elecraft topic.

Thanks,

Chuck Teague
NN7U
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