A backpack with backpack frame and adjustable shoulder harness removably fitting a person, the backpack further comprising an internal combustion engine with a pulley system connecting the engine to a propeller axle with propeller, a propeller surround with air intake and air outlet whereby the propeller propels a person upon a given surface. Handles comprise controls for throttle, kill switch, and lights. Handles are a part of the backpack frame or of ski poles. A pendulum emergency stop device kills the engine if the person falls.