A supercharger is a device that is mounted on an engine , to compress the air that goes into the air intake system of the engine for the purpose of increasing the power of the engine .
The supercharger is normally driven by fan belts at the front of the engine . Some models have been known to be driven by chains or gear driven .
The drive system of a supercharger is different from that of a turbocharger by the function is the same .
Superchargers have been used on aircraft engines as well as on automobile engines since the early 1900’s .
Superchargers are very commonly use in drag racing today .