Supercharger Boost Calculator
Boost and flow are theoretical (100% volumetric efficiency, 7″ crank pulley). Charge temperature uses the supercharger’s adiabatic efficiency (A.E.).
Inputs
%
inches
Results
Engine Air Requirement per Revolution
–
Pulley Ratio
–
Pressure Ratio
–
Free-Air Displacement per Revolution
–
Theoretical Boost
– psi
Adiabatic efficiency at this RPM & boost (from map)
– %
Impeller RPM
–
Engine airflow vs rated max
–
Gauges
Inner: Engine RPMOuter: Supercharger RPM
Inner: m³/hrOuter: CFM
Inner: Intake air tempOuter: Charge temp