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"I hope you aren't an engineering major" Actually I am an engineering major"However, detractors of the centrifugal-type supercharger (at least in street-driven automobile applications) note that it combines the worst qualities of a turbocharger and a supercharger, since it doesn't develop appreciable boost at low RPM (Boost Threshold), but still uses up prodigious amounts of engine power to operate. .... As such, the horsepower rating of the engine is greatly increased, but in a very small and nearly unusable range." [ http://en.wikipedia.org/wiki/Centrifugal_type_supercharger ] As a reminder for next time, read the whole article before making any comments
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