[Antennas] Re: C-3 twisted

[jsetcer]

> If there was more traffic I would'nt bother everyone with this, but since
> things are quiet here's a reminder....
>
> I just reurned from our club station where I had to return our C-3 beam to
> Horizontal then I put two sheet metal screws through the mounting bracket
> into the boom to keep it from twisting in the wind again. I didn't see
> anything in the instructions to recomend this BUT I'M RECOMENDING IT
NOW---
> Now that I had to climb the tower and fix ours.  Depending on how your
beam
> attaches to the mast you should consider a "set screw"  or two, to keep it
> from changing from Horizontal to Vertical when the wind blows.
>
> We do have worse than normal wind. We are on a hill in the mountains and
the
> antenna is up @ 130 ft, but storm size wind can happen anywhere and at any
> elevation.
>
> The BLF may have been exceeded on our antenna too.  If all the Buzzards
> roosted on one side of the beam that may have caused the problem. BLF =
> Buzzard Loading Factor. Of course.  The buzzards and Crows just LOVE the
> tower and the beams.
>
> 73,  N5QJ (formerly Kc5bry )
>
> http://www.geocities.com/kc5bry/colonymtn/c3twisted.jpg
>
> http://www.geocities.com/kc5bry/colonymtn/n5qjfixingc3.jpg
>
> http://www.geocities.com/kc5bry/colonymtn/frontview.jpg
>
>
>