Knock sensing and retarding ignition

Bruce nacelp at bright.net
Wed Jan 23 03:47:27 GMT 2002


They also make a multi step.
Some comparators and logic circuits could be used to step in the step in
various ways, ie using a 3 step and 2-4-6d chips gets you 2-4-6-8-10-12d
steps
bruce



From: "Mads Rose Rasmussen" <mads.rasmussen at get2net.dk>
Subject: Knock sensing and retarding ignition
> I've been reading the posts about knock sensing and retarding the
> ignition. Now I am wondering, would it be possible to build a
> simple,cheap device that would retard ignition as boost rises on a
> turbocharged engine. I know MSD makes such a unit, but i think it is
> much too expensive.
> Regards Mads Rose Rasmussen


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