Answer:
The Wright brothers used twin, counter-rotating propellers at the rear of the aircraft. The Wright brothers built a gasoline powered internal combustion engine to turn the propellers.
Step-by-step explanation:
Charles E. Taylor had built the first aircraft engine. He built the engine for the Wright Brothers' first airplane.
The Wright brothers used twin, counter-rotating propellers at the rear of the aircraft. The Wright brothers built a gasoline-powered internal combustion engine to turn the propellers. An aircraft propeller-shaped like a wing than a screw.