David O Hachadorian wrote:
>
> On Fri, 30 May 1997 10:58:19 -0400 Gene Smith <gene@bellhow.com> writes:
>
> > If you move the anchors in you
> > simply need stronger wire, or possibly the same wire with less of a
> >safety factor, and a stronger anchor.
>
> It's not just the guy wire and anchors you need to worry about.
> You are also limited by the compression strength spec of the
> tower legs when the wind blows in the worst-case direction. As
> the anchors move in, the compression load goes up when the wind
> blows. Rohn 25, for example, is specified at only 8430 pounds max
> per leg.
>
> Dave Hachadorian, K6LL
> k6ll@juno.com
>
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Dave:
Please ignore my earlier email. I thought you were talking about
something else. You are correct! The vertical load
will increase as a factor of the cosine of the angle as well.
I did not take this into account.
Gene
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