There are different types of superchargers, but they all are spun via the crankshaft. That’s the key difference between a turbo and a supercharger—turbos create boost from exhaust gasses, whereas ...
However, centrifugal superchargers use the engine's crankshaft to move the impeller instead of exhaust gases, which a turbo uses. Either way, the result is the same: dense, compressed air that ...