text: NAVWEPS 00-801-80 
  AIRPLANE PRRFORMANCE 
  
  inlet pressure, throttle position, and super- 
  charger or impeller pressure ratio. Of course, 
  is the principal control of mani- 
  the throttle 
  fold pressure and the throttling action controls 
  the pressure of the fuel-air mixture delivered 
  to the supercharger inlet. 
  The pressure re- 
  ceived by the supercharger is magnified by 
  the supercharger in some proportion depend- 
  ing on impeller speed. Then the high pressure 
  mixture is delivered to the manifold. 