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From: WELLS <WELLS@CTSD2.JSC.NASA.GOV>
Subject: Re: RPM -> Speed
Message-ID: <1993Feb16.145038.20380@aio.jsc.nasa.gov>
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References: <1993Feb15.130202.26589@hemlock.cray.com>
Date: Tue, 16 Feb 1993 14:50:38 GMT
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In article <1993Feb15.130202.26589@hemlock.cray.com> Alan Kilian, 
kilian@cray.com writes:
>Speed = 3 * Diameter of wheel * RPM

You might consider using "Pi" instead of "3" to avoid a better than 4% 
error.
