Radio-controlled aircraft (also called RC aircraft) are small aircraft that can be controlled remotely. There are many different types, ranging from small park flyers to large jets and mid-sized aerobatic models. The aircraft use many different methods of propulsion, ranging from brushed or brushless electric motors, to internal combustion engines, to the most expensive gas turbines. The fastest aircraft, with gas turbines, can reach speeds of up to 250 mph (400 km/h). Newer jets can achieve above 300 mph (480 km/h) in a short distance.
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