Flywheel/Encoder patterns

[Jonathan Barnes]

>From: Mazda Ebrahimi <kleenair at ix.netcom.com>
>Date: Sat, 21 Dec 1996 05:49:17 -0500
>Subject: Re: Flywheel/Encoder patterns
>
>I think we determined that the most 
>accurate spark system would be driven by the crankshaft pick-up sensor, 
>with a TDC#1 reference from the camshaft sensor.  In the interest of 
>reducing sensor count, 

>I think by going to a waste spark system and gang fire injector firing 
>during the first few engine rotations, we can compare the ionization 
>currents between the two sparks for each cycle of each cylinder and 
>determine which one represents the top of the compression stroke. 

You seem to be trying to *reduce* ? your sensor count by substituting two
ionization sensors and some trick comparison curcitry for a simple
magnetic sensor. This dose not make sense to me can you please explain the
system.

 

  

Jonathan.   | Barnes's Theorum:  For every foolproof device |
            | there exists a fool greater than the proof    |