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[Mike Swayze]

don't mean to but in, but..
SAE paper 980171 details using a ""spark plug"" as
an ionic knock detector
Mike

Espen Hilde wrote:
> 
> Hi Bruce !
> I feel the same about this question, we have to duplicate in the digital
> world the bennefits of a weber carburation, measuring and injecting fuel
> in each cylinder in real time!
> If we could  measure each cylinders air consum and direct inject
> fuel later maybe the software and code could be simpler . Not lousy
> sensors /voltage resolution and advanced code to cover it up.
> I am thinking of a combination of maf and sound /turbulence to get
> a wide dynamic range of the sensor system.
> just some fantasies....
> Espen Hilde
> 
> > What I'd like is a sensor mounted in the air stream that is fast
> reacting,
> > and isolated from the mounting.  There are several different versions,
> some
> > of which have a more "open" sensor.
> >    This moving sensors to improve performance is just to find a cooler
> > place, to enrichen the mixture.  What needs done is a sensor that
> measures
> > the temp of the air moving past it....
> >    I'd perfer wiith the perfect sensor to have it right down by an intake
> > valve.  To me knowing the air temp as it actually enters the chamber is
> > where you need to monitor it.   Then work out the IAT correction/mixture
> > strenghts.
> > Grumpy
> >    Maybe a 3/8 NPT to 1/4NPT  adapter of phenolic or something would
> help...
> >