Tower wind loading

[Stan Griffiths]

>Okay guys .. how about this one:
>If you're at 15K feet above sea level you're above approximately half
>the atmosphere, so the mass flow for a given wind speed is about
>half.  This means a tower which handles 8 sqft of load at sea level
>for a given wind speed should be able to handle 16 sqft at 15k ft at
>the same wind speed.  Towers in 'mile-high' Denver, for example,
>might get by with roughly half of this improvement .. say 12 sqft,
>(since the relation of air density is not linear with altitude).
>
>Top that!  :)    (..or is this just hot air.. hmmm?)
>
>de KD7LS
>

I can see it all now . . .

"How far can I extend my crankup safely today?  Let me just check my
calibrated barometer . . ."

Or in the year 2100 the topic will be "Crankups on the Moon" . . . or what
can I get away with where there is NO wind and only a little gravity . . .

Stan  w7ni@teleport.com