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Re: RPM vs MPH question

To: "kturk" <kturk@ala.net> information
Subject: Re: RPM vs MPH question
Date: Thu, 2 Jun 2005 12:15:36 -0400
Cc: "Larry Daniels" <ladaniels@sbcglobal.net>, <spridgets@autox.team.net>
References: <20050602.064336.3236.2.dmeadow@juno.com> <006a01c56768$ec1d4c90$8d00a8c0@keithhrijwmm4p> <08a201c56778$2b1a0870$381bd945@hewlett2ih5nie> <003201c56779$988cb870$7ba2fea9@WORK1>
I just want to know where the 336 came from??

Larry
On Jun 2, 2005, at 9:47 AM, kturk wrote:

> The assumption that the tire will grow is a bit optomistic... sorry  
> guys our cars aren' that fast...  drive next to anyone on the road  
> and look at their tires.... they aren't all bulged up like a top  
> fuel car, they traditonally are radial's... which do in fact have  
> some degree of tire bulge...
>
> the reality is that the altitude from the center of the axle to the  
> ground is what the differential sees when it's applying our megar  
> HP .... so the number of revolutions is directly proportional to  
> that altitude...  Twice that number and you have the tires height  
> in inches that the gears are applied against... hence.... RPM X  
> tire height in inches divided by the rear gear ration divided by  
> 336 gives you the MPH.
>
> Check it out.... it works... trust me.... oh nevermind... the  
> check's in the mail....
>
> K

-- 

Larry Macy
78 Midget

Keep your top down and your chin up.

Larry B. Macy, Ph.D.
macy@bbl.med.upenn.edu
System Manager/Administrator
Neuropsychiatry Section
Department of Psychiatry
University of Pennsylvania
3400 Spruce St. - 10 Gates
Philadelphia, PA 19104

  Ask a question and you're a fool for three minutes; do not ask a  
question
and you're a fool for the rest of your life.


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