Oops - Sorry.
You are correct the v is in MPH!
I had spend the night looking at Aerodynamics Books to check your constant
and typed the wrong thing!!
Need to proof read things better!
Glad you persisted and kept searching for an answer that made sense.
de n0yvy steve
At 08:55 AM 8/24/98 -0500, Bill Aycock wrote:
>Steve- Thanks very much for taking the trouble to look this up and send it
>to us.
>
>However, there is still a problem in these equations- they only make sense
>if the velocity factor is in Miles/hour, not feet/second, as given.
>the conversion is the ratio 88/60 to convert miles per hour to feet per
>second-- this factor squared times the density/2 value, 0.00119, does give
>the 0.00256 value you show.
>
>Is it possible that the units given for velocity have been in error in this
>spec for YEARS? I know the wind speed factor is almost always given in
>mph, not ft/sec, in the graphs used to tell what is to be used in local
>areas, but this table uses ft/sec- ??
>
>Bill
>
>
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