Mayf I have some #'s that describe rolling resistance do these need to be
factored in as well?
As a matter of fact they get pretty large and really show you how much ballast
really can hurt you. Also could it be just as possible if a guy had some dyno
#'s and a few time slips to come up with Cd that way consistently? I have played
with doing it that way and it seemed to model the car pretty well, in fact had
the luxury on the one car to run it with 3 different power levels and 2
locations and worked quite well or at least the #'s all fit the curve when i was
done LOL..
Dave
BTW do you have a copy of 'MathCad' it is a program that is really you! I know
you love to run the #'s but this makes it real fast and does all the graphing
etc..
DrMayf wrote:
>
> Well, I hope I have corrected my error in calculating the Cd formula. It was
> the result of trying to do the math at the same time I was doing the html
> scripting. I hope those of you who may have data on coasting through some
> measured times and speeds would try it and let me know if it works. The
> numbers I used were just POA. If you have data on time slips where I could
> put them into a data base for my amusement, send them to me! I like real
> data...
>
> Mayf, whos face is slightly less red but still ignorant on the desert.
>
> http://www.teknett.com/pwp/drmayf/cdmodel.htm
>
> will get you there directly ( I hope!)
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