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What would happen to a helicopter if it didn't have a tail rotor?
Wiki User
∙ 13y ago
The torque from the main rotor would cause it to spin uncontrollably.
Wiki User
∙ 13y ago
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What is the function of anti-torque rotor of a helicopter?
To counteract the force of torque created by the main rotor. If not for that tail rotor, the torque would cause the helicopter to spin continuously around.
Why don't helicopters spin in circles?
The back rotor of the helicopter counters the force applied to the body of the helicopter by the main rotor by applying thrust in the same direction as the main rotor. The force from the main rotor is applied in the opposite direction the main rotor is spinning. So say the force the main rotor was exerting on the body of the helicopter was causing the tail to move left then the back rotor would be designed to apply an equal force pushing the tail right to keep it from spinning. If the back rotor of a helicopter malfunctioned it would begin to spin.
What cancels torque?
The tail rotor cancels out torque in a helicopter generated by its engines and main rotor. Without this, the helicopter would simply spin in a circle and be complete uncontrollable.
What is a back rotor of a helicopter used for?
it depends. sometimes they make the helicopter turn. On models when they are facing up like the main rotor, they propell it forward so the gyro can fall to one side and lean the chopper forward. The major purpose of the back rotor is to counteract the torque of the main rotor. On helicopters with a single top rotor, if there were no back rotor, the torque would cause the helicopter to spin around as soon as it lifted off the ground.
What is the top part of a helicopter called?
The top part of a helicopter would most commonly be considered the rotor blades (which spin to provide lift).
How does a helicopters rotor blades make the helicopter turn left and right?
By adjusting the speed of tail rotor, which points to the side, the pilot can turn the helicopter in flight. The main upper rotor actually plays only a minor part in making helicopter turn. The part supplying most of the control is the tail rotor. Because the main rotor is spinning in one direction, without a tail rotor, the body of the helicopter would spin around in circles in the opposite direction. The reason for this is explained in the first part of Newton's third law of motion: for every action there is an equal and opposite action. The torque generated to make the rotor turn also exerts torque on the body of the helicopter "willing" it to spin the opposite direction. However, the tail rotor spins, pushing air to the side. This creates force in the opposite direction, keeping the helicopter stable. By simply adjusting the speed of the tail rotor, the helicopter can be turned in flight.
Why cant helicopter fly with only one rotor?
Most helicopters fly with only one rotor. If you mean one blade, that is because it would be unbalanced.
How would a helicopter remain stationery in air?
It uses the main (top) rotor to remain at the same altitude while using the tail (back) rotor to keep from spinning uncontrolably.
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