Hi James, I have redone yagis after 3 years and was surprised by the amount
of oxidisation that had taken place even though Noalox had been used, its
dead easy to drill out the old rivets with a drill the same dia as the body
of the rivet.
Its just not worth not doing a refit. Clive GM3POI
-----Original Message-----
From: Setzler James M NPRI <SetzlerJM@Code80.NPT.NUWC.NAVY.MIL>
To: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
Date: 17 February 1999 18:13
Subject: [TowerTalk] Rebuilding 204BA
>
>I've acquired a Hygain 204BA that is about 3 years old. It's been on the
>ground for about 6 months. It was working FB when last on the tower.
When
>we originally put it together we drilled and riveted all the elements as
>well as used NOALOX on all of the joints. I'm now planning to put it back
>up in the air.
>
>What does the group recommend: Should I drill out all the existing
>element rivets, clean the joints, reapply fresh NOALOX, re-drill and
>re-rivet? OR should I just check each of the rivet joints and leave them
>alone if they seem tight.
>
>Of course I want to do this right electrically; but if drilling out the
>existing rivets and then drilling new holes for new rivets is structurally
>detrimental, I'll re-think the process. I'd rather not create a problem
>where one doesn't yet exist.
>
>thanks &
>73 James / k1sd
>Rhode Island
>
>>> setzlerjm@code80.npt.nuwc.navy.mil <<
>
>
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