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Re: Physics 101 and Tachs

To: tigers@Autox.Team.Net
Subject: Re: Physics 101 and Tachs
From: Douglas Pruitt <DOUGLAS.PRUITT@worldnet.att.net>
Date: Thu, 17 Jul 1997 01:17:46
At 02:49 AM 7/17/97 +0000, you wrote:

>Coincidently I've been contemplating the sensitivity of the mag pick up on
>these tachs.  If you wanted to supply a voltage pulse metallicaly to the
>terminals where the "bar" connects across the terminals on the back of the
>tach, what voltage need you apply?  I'm assuming that the amplifier is
>actually a voltage amp but I guess it could be current.  I want to use a
>spare Series V Alpine tach in an application where a voltage pulse is
>provided.  I'm thinking I could scale the supplied pulse with some
>resistors then apply it to the terminals where the bar attaches.  
>
>I could just cut the coil wire and wrap it around the bar and then
>re-attach it to the original wiring I guess.
>
>
> 
>Frank Marrone          MK I Tiger B9471116
>marrone@wco.com        1966 LTD  
>                       '79 Spitfire
>                       Yamaha Seca 900 (aka XJ900RK)


        I believe that Tiger Tom has modified tachs for use with electronic
ignitions which sounds like what you might be for.

Doug Pruitt
Frederick, Maryland

All generalisations are wrong.

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