You must have come to know that big machines and technology are not complicated to study. With this I will tell you about Helicopter.

Fans: the main rotor lifts the helicopter up in the air. The back rotor helps the helicopter to turn left or right. The main rotor and back rotor spin in the same direction.

Engine: - Helicopter has one, two or three engines. Engines make the rotor spin.

Engine has three parts

:Compressor: - it has fans, which suck in air and squeeze it in the combustion chamber. Combustion chamber: - Air is used to burn fuel. As the fuel burns, it makes the steam of hot gases.

Turbine: - Hot gases shoot through a port called turbine, making it spin very fast. As the turbine spins, it makes the Shaft spin very fast. It also spins the compressor. It also spins the generator and electricity is produced for cabin light and equipment.

Land: - Small helicopter lands on the skid (Metal parts ). Big helicopter lands on Wheel (nose wheel or rear wheel)