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From: berger@clio.sts.uiuc.edu (Mike Berger)
Newsgroups: sci.electronics
Subject: Re: Inductive pickups.
Keywords: Inductive Pickup.
Message-ID: <1991May30.175038.6431@ux1.cso.uiuc.edu>
Date: 30 May 91 17:50:38 GMT
References: <1970@ole.UUCP>
Sender: usenet@ux1.cso.uiuc.edu (News)
Organization: University of Illinois at Urbana
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ssave@ole.UUCP (Shailendra Save) writes:


>  I am trying to get a signal from the drive shaft of my car
>using an inductive pickup. (To calculate and display speed)
>Before I get under and get dirty, I wanted to know if anyone
>has had any experience with a similar transducer? Can you 
>recommend one? The car being a big hunk of metal, and the 
>tolerances between the "magnet" and the pickup being of the
>order of 0.2 in., will it work? 
*----
I'd be leery of putting a pickup right on the driveshaft.  It
doesn't take much to unbalance it at higher speeds, and the shimmy
will probably be noticeable.
--
	Mike Berger
	Department of Statistics, University of Illinois
	AT&TNET     217-244-6067
	Internet    berger@atropa.stat.uiuc.edu