Quote:
Originally Posted by MatthewAMEL
Superchargers and N/A motors lose power at the same rate due to atmospheric conditions.
Superchargers spin at a fixed rate relative to engine RPM since they are belt driven.
Turbos spin at a variable rate related to exhaust gases. It may take longer for a turbo to reach a given PSI, but it can spin faster to compensate. It's why the preferred method for FI aircraft piston engines is turbos.
And barometric pressure has nothing to do with power. The term you are looking for is 'partial pressure'. Since it's the O2 that causes combustion in the chamber, it's the amount of O2 in a given volume of air that matters...not it's absolute pressure.
Cars in Florida make the same power when the meter is 30.00 or 29.40.
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But SC has pressure limit which means that (if RPM allow) maximum pressure will be the same, no?
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