Corky Bell’s Comparison of Superchargers
The table below was transferred from Corky Bell’s book Supercharged! ISBN # 0-8376-0168-1 Page 8 Characteristic Roots Centrifugal Screw Low Speed boost capability A D A High boost – Pressure capability (10+ psi) B A A Fast boost rise A B A Thermal Efficiency C A A Volumetric Efficiency B B A Ease of Intercooling … Read more