On Mon, 5 Aug 1996 14:36:36 -0700 (PDT),
w7ni@teleport.com wrote...
>Since 70 mph is the minimum listed wind velocity for ANYWHERE in the US,
>how
>come crankup towers are always rated for 50 mph? I think I know why. You
>can't put any load on them at 70 mph, at least with any kind of safety
>factor. I think we, as a group, should demand 70 mph ratings from crankup
>manufacturers. I know this will negatively impact their business . . . as
>it should!!
>
>Stan w7ni@teleport.com
>
Stan, the 70 mph wind data for crank-towers has been published for many
years. See the article by Roger Cox at Telex in the June 1984 issue
of Ham Radio Magazine. I also got the same info from Tri-Ex when
I put up my crank-up 4 years ago.
Sorry my last message got fouled up and this wasn't part of it.
73 Henry WA0GOZ
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