Cheap, small, simple injector.

[Bruce Bowling]

~ Gives me a 33 lb/hr injector.  What bearing does fuel pressure have
~ on these figures?

The flow rate of an injector is based at some test pressure, usually
for OEM the fuel rail pressure (i.e. a Jag 4.2 engine fuel injector
flows 20 lbs/hr @ 39 PSI fuel rail).  To convert flows from one
fuel rail pressure to another, use:
   
   sqrt(new_pressure/old_pressure) * old_flow = new_flow

For the Jag example, to see the flow at 25 PSI fuel rail:
   
   sqrt(25 / 39) * 20 = 16

- Bruce

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               Bruce A. Bowling
  Staff Scientist - Instrumentation and Controls
 The Continuous Electron Beam Accelerator Facility
    12000 Jefferson Ave - Newport News, VA 23602
                 (804) 249-7240
                bowling at cebaf.gov  
        http://devserve.cebaf.gov/~bowling
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