Trinoic Engine Management System

["Jeremy Gonyou" <jgonyou@hotmail.com>]

I remember a few days ago, some people were talking about how cool it would 
be to be able to monitor combustion properties with the spark plugs - a la 
indy racing technology.

Well, has anyone heard of Saab's Trinioc controls?  Apparently they've been 
doing it since 1993.  From this month's Sport compact car:

"...this engine management system measured the ionization potential of the 
gases in the cylinder and could deduce the combustion conditions..."

Btw, that was a mere blurb in an article about Saab's prototype variable 
compression engine.  Maybe I'm on the wrong mailing list...


Jeremy


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