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Re: drag/frontal area

To: john robinson <john@engr.wisc.edu>
Subject: Re: drag/frontal area
From: Joe Amo <jkamo@rapidnet.com>
Date: Tue, 06 Nov 2001 13:18:43 -0700
Skip looking at just know data
says something is off in these
"calculations":
you went 270 mph with 840hp
Ez hook reached a speed of 301 mph with 170hp in 96'
Joe :)

john robinson wrote:

> At 11:50 AM 11/6/01, you wrote:
>
> >Yes but for me:
> >
> >Trouble with that is I have lakester data and am trying to apply it to
> >streamliner......
> >I think the lakester Cd is about .14 based on 840 hp and frontal area is
> >about 13.5 sq ft. (speed 270)
> >If I assume that the Cd of the wheels and tires doubles the Cd of the
> >liner, then the liner Cd is .07
> >I still think that there are too many assumptions and the only practical
> >way to prove it is to run and then do "coast downs".
> >Skip

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