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Re: Frontal area

To: Ronald_B_Anderson@notes.seagate.com, edvs@idt.net
Subject: Re: Frontal area
From: John Beckett <johnbeck@blueridge.cc.nc.us>
Date: Thu, 17 Jun 1999 17:15:24 -0400
You guys are both in the ball park. A Corvette is bigger than you think.
Now I have a Chevette that acording to your equasion would equal 15 square
ft., and I don't think its that small...it might run more like 17.5".

Hey, Keith whats the height and width of your Camaro?


At 02:28 PM 6/17/99 -0600, Ronald_B_Anderson@notes.seagate.com wrote:
>Ed-
>
>Good, glad somebody out there hears me...
>
>My aerodynamics book says for a rough estimate, take width (73.6 in) times
>height (47.7 in), convert to square feet, as you indicated by dividing by
>144,  which equals 24.38, and take 81 percent of that, which gives 19.75,
>square feet, pretty close to your number. But that seems too large to me.
>That's why I started searching for the real number.
>
>This year I plan on only observing at W.O.S. this year, and forming a plan
>on breaking 200, my goal. First thing, I just got the C5, and need to find
>someone who can do a world class job on a roll bar (luxury quality and
>appearance). I already calculate my horsepower losses (rolling [frictional,
>inertial, and mechanical] and aerodynamic losses) with a spreadsheet model
>I built. Right now it looks like I need 450 HP to do the job. This points
>to supercharging, but this is hard (read expensive) in the C5's engine
>compartment. Carroll Supercharging in New Jersey, and Lingenfelter claim to
>be able to do it for $10000. Can you explain this to my nagivator for me?
>
>                    --- Ron
>
>
>
>
>
>Ed Van Scoy <edvs@idt.net> on 06/17/99 11:09:39 AM
>
>Please respond to edvs@idt.net
>
>To:   Ronald B Anderson
>cc:   Land-speed@autox.team.net
>Subject:  Re: I'm new
>
>
>
>
>For a quick & dirty number, multiply vehicle height (inches) X track
>width (inches) and divide by 144. My own quick measurements of a C5 were
>62 X 45 / 144 = 19.38 sq. ft.
>This is only a "driveway" technique, there are some REAL smart people on
>this list that could get you a lot closer.
>Are you planning to run the car at WOS this year?
>Ed
>
>
>Ronald_B_Anderson@notes.seagate.com wrote:
>>
>> OK, How's this thing work? I'm a USFRA member.
>>
>> Does anybody know how I can find out the frontal area, in square feet, of
>> the new C5 Corvette? I need to calculate the
>> aerodynamic loss. I know how to do this, I just need the number.
>>
>>                     --- Ron
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