Quote Originally Posted by UselessPickles View Post
The turbo, however, adjusts to changing elevations automatically. Its boost is controlled by a wastegate, which is calibrated to open up when boost pressure exceeds a fixed amount of pressure above ambient pressure. My turbo will produce about 8.2 psi peak boost at sea level, and up in the mountains, without making any adjustments.
This is why planes are turbo props. You couldn't use a supercharger on a plane. You'd crash.