[TowerTalk] what not to do in your tower

[Alfred Frugoli]

Thank you!

73 de Al, KE1FO

K3 #3055
K3 #4094
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Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com.


On Thu, Apr 22, 2010 at 9:45 PM, Michael Tope <W4EF at dellroy.com> wrote:

> I forwarded a copy of Hector's email to the tower owner along with a
> copy of the Rohn hardware page that has their shackles and a note
> suggesting that he change out that improper hardware (I also recommended
> that he subscribe to TowerTalk).
>
> 73, Mike W4EF/6
>
> On 4/22/2010 6:31 PM, Steve Maki wrote:
> > Roger (K8RI) wrote:
> >
> >
> >>> Think of them as mechanical fuses  ;)
> >>>
> >
> >> They certainly are the weakest link in the system. OTOH maybe I
> >> shouldn't say that without seeing the other ends of the guys.<:-))  I
> >> guess I'm a bit puzzled as to why put those rings in there in the first
> >> place. The links above them are probably about 1200# which is still way
> >> under even 3/16" EHS.  It looks like he's using the 6000# test
> >> Phillystran...with 1200# links?
> >>
> >
> > Well, once they decided to use the screw chain links, they needed
> > something that would fit into them, which the thimbles would not do.
> >
> > This part of the install was not planned very well, but the rings, which
> > appear to be 1/4", are a little better than key rings.
> >
> > Next time they will undoubtedly will use a shackle right there...
> >
> > -Steve K8LX
> >
>
>
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