[Christ]

Originally Posted by hawk2100n

Purely hypothetetical. But yes I would specify a roots blower instead of a screw type. But who knows what it would do. You would only have a slight gain over a similar setup at the resonant frequency. Really none of this applies because superchargers don't improve efficiency but power. The work I have done with engines is in the racing sphere and that is very different than efficiency. Max power has been driven into my head.

A blower /can/ improve efficiency. They normally aren't used that way. However, to use a blower as a negative to throttle losses only seems to add complexity and cost without remittance of benefit.