Question

why there is 2 propellers in helicopter?

Answer 1

The reason there are two propellers in a helicopter is because if there would be only one rotor, the helicopter would start rotating in the direction opposite to the movement of that rotor.

Answer 2

✴HELLO MATE ✴

⬇⬇ANSWER⬇⬇

The reason there are two propellers in a helicopter is because if there would be only one rotor, the helicopter would start rotating in the direction opposite to the movement of that rotor. The two rotors rotate in the opposite direction as to cancel the torque produced by one propeller.✔✔✔

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