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Re: Chronometric Tachometer Question

To: Jonathan.Hermance@ATK.COM
Subject: Re: Chronometric Tachometer Question
From: TATERRY@aol.com
Date: Fri, 3 Dec 2004 01:36:36 EST
In a message dated 12/2/2004 10:06:45 AM Pacific Standard Time, 
Jonathan.Hermance@ATK.com writes:


> Though I have not fixed the tachometer gear-reduction problem yet it
> recently occurred to me the tach might be ok.  Is it possible the
> chronometric tach needs to have the cable turning to return the needle to
> the resting pin?  The needle on a magnetic or electrical instrument would
> likely return to zero when the cable quit turning.  I'm curious to find out
> if the needle in this delightful chronometric device is just patiently
> waiting for some cable rotation to assist the needle off four grand.

Yes, Jon, because of the escapement mechanism in the chronometric tach, it 
cable must turn to reset to zero....you can do this with an electric 
drill........
Terry

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