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Reading and comparing compressor maps: rpm vs. speed

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Reading and comparing compressor maps: rpm vs. speed

  #1  
Old 04-07-2012, 10:42 AM
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Join Date: Jul 2008
Location: Brighton, MI
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Default Reading and comparing compressor maps: rpm vs. speed

How can I convert speed to rpm numbers provided in compressor maps.
Some maps show rpm, some m/sec?
Divide the speed by the comp wheel diameter/circumference of the exducer?
Example: Exducer 55.9mm, speed 460 m/sec. ==> 157,200 rpm?
 
  #2  
Old 04-16-2012, 03:19 AM
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