Calculate the theoretical airflow and volumetric efficiency of an engine based on cubic inches.

Variables
in3 Engine Displacement
lbm/in3 Air Density at STP
RPM Granularity
lbm/in3 Airflow alowed based on Throttle Body Position
Results
VERPMAir mass flow through engine
0 0 0 lbs/hr
0.213 1000 6.56 lbs/hr
0.107 2000 13.13 lbs/hr
0.071 3000 19.69 lbs/hr
0.053 4000 26.25 lbs/hr
0.043 5000 32.81 lbs/hr
0.036 6000 39.38 lbs/hr
0.03 7000 45.94 lbs/hr
0.027 8000 52.5 lbs/hr
0.024 9000 59.06 lbs/hr
0.021 10000 65.63 lbs/hr