Re: EGT Sensor location

[ptimmerm@mashtun.JPL.NASA.GOV]

>> I seem to remember Corky talking about measuring the temperature
>> before AND after the turbo.  snip...


>You know, I was thinking about that while I wrote my response awhile ago.   
>Since the turbocharger's turbine is a throttling heat pump, we would see 
>the maximum output from that turbine when the temp delta across that 
>turbine is a maximum.   If you were to monitor EGTs both before and after 
>the turbo, you could then watch for the conditions that make that delta a 
>maximum, and tune towards that.   You should keep in mind though that we 
>would also want to maximize the pressure delta too.   Maybe we should 
>have pressure taps before and after the turbo as well...    :-)


Yes, he said to measure pressure before and after too.  I don't remember
what he said especially about measuring the exhaust manifold pressure,
but heat is certainly an issue here.  Not many people will go this far,
but it is very useful if you are going to do it from scratch and get it right.

paul t-