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From: whinery@hale.ifa.hawaii.edu (Alan Whinery)
Newsgroups: sci.electronics
Subject: Re: measuring vehicle speed
Keywords: car speed
Message-ID: <13571@uhccux.uhcc.Hawaii.Edu>
Date: 21 Jun 91 18:25:16 GMT
References: <31487@hydra.gatech.EDU> <1991Jun18.003032.18571@mulga.cs.mu.OZ.AU> <31529@hydra.gatech.EDU> <1991Jun20.024446.18473@en.ecn.purdue.edu> <1254@sppy00.UUCP>
Sender: news@uhccux.uhcc.Hawaii.Edu
Organization: Institute For Astronomy, Hawaii
Lines: 18

In article <1254@sppy00.UUCP> jwm@sppy00.UUCP (Jeffrey W. May) writes:
>
>Two ideas on this one:
>(...)
>Since the driveshaft-rotation-to-tire-rotation is a fixed proportion this
>would give a reasonable result.

Not Always true -- when the car goes around a corner, the ratio changes.
The differential allows each drive wheel to turn at a different speed.




--
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|  D. Alan Whinery| The Institute for Astronomy, University of Hawaii   |
| Technical Genius| Internet: whinery@hale.ifa.hawaii.edu               |
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