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Date:         Thu, 20 Jan 2000 14:09:11 +0200
Reply-To:     Juha Koivisto <juha.koivisto@TEPCOMP.FI>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Juha Koivisto <juha.koivisto@TEPCOMP.FI>
Subject:      Diesel w -terminal & tachometer
Content-Type: text/plain; charset="iso-8859-1"


Has anyone tried to connect common gas tachometer to alternator's (diesel)
w -terminal?  Does the meter need adjusting?  Or does anyone know what is
the rate of the pulses from w -terminal/crankshaft round?


I know the accuracy of w -terminal is not quite good but I think it is
enough for me.  This is my first diesel and my ear doesn't say rpms => I'd
like to add tachometer and not VW's own.


I could calculate pulley ratios and measure the amount of pulses /alternator
round but I think it is the hard way.  I am capable to build any divider or
pulse shaper if necessary.


Thanks,


Juha Koivisto
88 Vanagon (Caravelle) 1,6TD (old school bus with 9 seats)
TURKU, FINLAND
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