Browse Publications Technical Papers 490211
1949-01-01

The Supercharger and the Engine 490211

WE should be designing superchargers for better overall efficiency, according to Mr. Pigott, because the effect on engine capacity is pronounced, and gets to be more so at higher boost pressures.
Mr. Pigott shows also that supercharger performance can be rather well predicted without trying out a variety of blowers in expensive engine setups.
He sees no reason to suppose that the newer adiabatic rotaries can be considerably improved as they are further developed. He adds that the Roots type has seen considerable development and will be at the end of its string when boost pressures exceed 7 or 8 psi, which they are certain to do in the future.

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