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Re: Clutch Slave

To: Bennett Cullen-P21988 <Cullen.Bennett@motorola.com>,
Subject: Re: Clutch Slave
From: Bob Palmer <rpalmer@ames.ucsd.edu>
Date: Tue, 14 Mar 2000 08:25:28 -0800
Cullen,

Yes, I have committed a clerical error now and then (and quite a few more 
if I were actually a member of the clergy). However, in this instance I 
believe I have stated the mathematical relationship correctly. It is common 
among my peers to use phrases such a "goes by" or "varies as", or "scales 
as", as substitutes for "is proportional to". Of course, the volume 
equation could also be written in terms of diameter instead of radius; e.g.,

         Volume = (pi/4) X (Diameter^2) X Distance traveled

Which ever parameter you use, radius, diameter, or even circumference, is 
simply a matter of convenience. The mathematics is there to serve us, not 
visa versa. ;-)

Bob

At 02:08 PM 3/13/00 -0700, Bennett Cullen-P21988 wrote:
>Bob,
> >The standard Tiger clutch slave cylinder bore diameter is 7/8". The
> >standard Tiger clutch master cylinder bore diameter is 5/8" (the Alpine is
> >3/4"). The movement of the slave versus master cylinder pistons is equal to
>
> >the fluid displaced, which goes as the diameter squared. For 7/8' versus
> >5/8" that's 49 versus 25, or about a factor of two more distance traveled
> >by the clutch master cylinder piston compared to the clutch slave piston.
>
>I really hate to knit-pick, But.... The volume goes by the radius squared,
>not the diameter squared! Just a clerical mistake I'm sure.
>
>Volume = (pi X Radius ^ 2) X distance traveled.
>
>Cullen Bennett
>Tempe, Arizona USA


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