Mailing List Message #63382
From: Joseph Berki <>
Subject: Tach signal
Date: Tue, 23 May 2017 14:07:31 -0400
To: 'Rotary motors in aircraft' <>

I would like to use the tach signal from the lead igniter I believe is present on the yellow with blue tracer wire.


Does anyone know what this signal is?  Is it a 12volt pulse?  How many pulses would represent a complete revolution?


Thanks for any help


Joe Berki

Limo EZ


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