See the article I wrote in QEX July/August 2001 re Tower Wind Loading. If
you have a free standing tower and can verify from the engineering specs
that the worst case moment is at the base, you should be able to use the
spread sheet (Written in Excel) that is available on the ARRL QEX web
site.
Frank W9JCC
On Mon, 01 Apr 2002 07:16:36 -0800 Kelly Johnson
<KellyJohnson@telocity.com> writes:
> Who can tell me how to calculate the reduction in windload capacity
> of a
> tower that occurs when you add a reasonably long mast to the tower
> to
> hold stacked yagi's? How do things change as you change the height
> of
> the yagis above the top of the tower?
>
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>
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