[TowerTalk] Yagis and Rivets

[Dave Pomeroy]

Dave,
  I don't know about antenna rivits but aircraft
rivits hold forever.  60 year old airplanes still
flying with tight aluminum rivits.


--- Dave D'Epagnier <DDEpagnier@compuserve.com> wrote:
> 
> Hello,
> I'm just about to finally put back up my C3-S. It's
> been up for about a
> year and a half and worked well all that time - no
> problems. I thought I'd
> maybe redo the joints with some silicone vacuum
> grease and kind of spruce
> it up a bit before it was put back into commision.
> One thing noticed on my
> half disassembled antenna though is that ALL OF THE
> RIVETS ARE LOOSE!
> Sorry, don't mean to shout  but  this is surprising.
> It looks to like every
> one of those once very sturdy rivets are loose. I
> can wiggle every element
> section with respect to its mate and have to wonder
> how good the rf
> connection is between them. And I thought rivets
> were the best and would
> never be a problem.They were installed correctly.
> I'm wondering if aluminum
> rivets are simply wimpy. Maybe steel rivets would
> hold much stronger and
> longer, and even though they may cause local
> corrosion, the overall
> connection might last longer with steel. Has anyone
> else experienced this?
> How did you deal with it?
> 
> --Dave
> K0QE
> 
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> 

=====
Dave Pomeroy K8DNP Southwest Michigan

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