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  1. ToughBirds

    Induction negative pressure calculation

    thruthefence, I have seen references to the pressure drop across the filter of anywhere from 1.5 to 3 psi. I don't know what it takes to fully collapse a scat duct (since they're not recommended for negative pressure applications I suppose the manufacturers don't want to put a number on...
  2. ToughBirds

    Induction negative pressure calculation

    rb1957, I believe I can calculate the velocity from the volume and intake hose diameter. That is, CFM (based on RPM and displacement) and I.D. of the intake hose. Since I'm a computer guy, not an aerospace engineer, can you tell me the value for rho in the equation you posted? Thanks for the...
  3. ToughBirds

    Induction negative pressure calculation

    Can someone direct me to a method of calculating the negative pressure experienced by an induction air hose that is connected between the air filter and intake manifold? In most small aircraft, the hose used to connect the air filter housing to the engine air intake is SCAT, SCEET, CEET, or...
  4. ToughBirds

    Induction negative pressure calculation

    Can someone direct me to a method of calculating the negative pressure experienced by an induction air hose that is connected between the air filter and intake manifold? In most small aircraft, the hose used to connect the air filter housing to the engine air intake is SCAT, SCEET, CEET, or...

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