I don't think the answers are simple to compute, but I'd like to hear what
the experts say (I do the 70-down-to-50 trick, too.) Please post the results
of your query.
73, Dick, WC1M
-----Original Message-----
From: Daniel Baker <baker@EC.Rockwell.COM>
To: 'towertalk@contesting.com' <towertalk@contesting.com>
To: <towertalk@contesting.com>
Date: Monday, May 18, 1998 4:50 PM
>Hello
>I know a number of locals who have crank up towers and they have them
>partially cranked up. For example a 70 foot Hy-Gain cranked to 50 feet.
> Doing this they leave them set at this level all the time, regardless of
>weather conditions. Is there a way to determine the gain in square footage
>of wind load at heights lower than the rated wind load at full height?
> Thinking along these same lines if a crank up is rated at 16 square feet
>at 60 MPH, then if I have 7 square feet on the tower what is the wind speed
>it should be able to handle (e.g. 70 MPH?)?
>Dan K9HZ
>danaf9r@aol.com
>
>
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