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Old 2003-11-05, 09:17 AM   #10
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by AtomicLabMonkey
I don't know if the auto aftermarket uses their own "special" terms, but in dealing with fans, which turbochargers are just smaller versions of, efficiency is just the relationship between power in (power required to drive the fan at X speed) and power out (power added to the airstream). So, the peak efficiency point would be where you're getting the most pressure and flow (from the compressor) output for the least power input (from the turbine).
That's a much better way of putting it. I was thinking of efficiency in terms of making power for the motor, but I think Austin's descripting is more accurate.
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