Flight speeds for a two-seat trainer helicopter range from 90 to 105 miles per hour. A five-seat turbine helicopter can cruise at speeds of 130 to 145 miles per hour. Some helicopters have a top speed of around 255 mph.
The type of motor placed in the aircraft and the quantity of power available determine the average speed of a helicopter. The helicopter’s size also makes a difference. There are two types of engines used in helicopters: piston and turbine. Gasoline-powered piston engines produce less power than turbine engines. Turbine engines are substantially more powerful and achieve quicker speeds since they run on “jet-A” fuel.
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