Imagine a 747 is sitting on a conveyor belt, as long and wide as a runway. The conveyor belt is designed to exactly match the speed of the wheels, moving in the opposite direction. The wheels have very low friction with their axles, so it doesn't really matter how fast they spin.
Imagine a 747 is sitting on a conveyor belt, as long and wide as a runway. The conveyor belt is designed to exactly match the speed of the wheels, moving in the opposite direction. The wheels have very low friction with their axles, so it doesn't really matter how fast they spin. By thrusting very lightly with the engines, you can have the plane stay in place while the conveyor. Feb 8, 2006 · the propeller or jet engine can generate thrust without any help from the wheels.
