In a message dated 11/21/2006 10:47:50 P.M. Greenwich Standard Time,
jimlux@earthlink.net writes:
The fatigue life for aluminum depends on a lot
of factors, but the net result is that every load/unload cycle takes
away some fraction of the life (big cycles take more). Every little
gust of wind, every rotation of the antenna, etc
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
and let's not forget about the old "egging" effect of the aluminum bolt
holes that result from the constant flexing. Universal and the old Heights
tower
were made to be guyed, according to the manufacturers, so what's the big
deal? Guy if you want to, and don't if you don't want to.
Bill K4XS/KH6
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