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  • Users: Milanoguy
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  1. Milanoguy

    Thermal efficiency of the compression stroke of the Otto 4 cycle?

    What is the thermal efficiency of the compression stroke of the otto 4 cycle engine? For this question we will consider the motion of the piston from BDC to TDC, for simplicity we will assume no valve overlap and that both the intake and exhaust valves are closed when the piston starts coming up...
  2. Milanoguy

    Efficency of an IC engine as an air pump?

    What is the thermal efficiency of an IC engine, strictly as an air pump? Turbochargers typically have a quoted efficiency of 90%, modern roots superchargers(Eaton) have a max of about 60%, a twin screw supercharger(Lysholm, Autorotor) is a little better, at about 70%. Charles Taylor’s “The...
  3. Milanoguy

    Individual throttle bodies. How to size them?

    Hi I’m looking for some guidance on building an individual throttle per cylinder setup for a street legal 60 degree V6 motor. How should I size the throttle plates ? The motor has one intake valve and one exhaust valve, and electronic port fuel injection. The intake valve is 44mm. I’m assuming...
  4. Milanoguy

    Definition of Anti Squat

    Okay, first a dumb question and then hopefully a less dumb question, both about anti squat. First question: Lots of references are made to anti squat in terms of percentage like 40% or 100%. But what does the percentage refer to? The total weight of the car? just the weight carried by the back...

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