Recent content by arslanpersona

I am a mechanical engineering graduate. Dont know much about electric motors but will understand if somebody put me in right direction.

Hello everybody.. I am stuck with a question here. I have to estimate time for an electric supercharger to reach from 40-120k rpm. Impeller inertia is negligible. Max torque=2 Nm, bearing drag profile=0.001 Nm/krpm, diameter=30mm, Lenght=100mm Shaft is solid steel with density =7.85 kg/cm3...