Here's a more detailed explanation of how helicopters are steered:
1. Cyclic Control: The main rotor blades are attached to a swashplate, which is a mechanical device that allows the pilot to tilt the blades in different directions. By tilting the blades, the pilot can control the helicopter's movement in all directions: forward, backward, left, and right. This is known as cyclic control.
2. Collective Control: The pilot can also control the overall lift generated by the main rotor by raising or lowering the helicopter's collective pitch. Increasing the collective pitch increases lift and allows the helicopter to ascend, while decreasing the collective pitch decreases lift and allows the helicopter to descend.
3. Anti-Torque Control: The tail rotor is used to counteract the torque generated by the main rotor. As the main rotor spins, it creates a reactive force called torque that tends to make the helicopter spin in the opposite direction. The tail rotor generates thrust to counteract this torque, keeping the helicopter stable and preventing it from spinning.
By combining these control mechanisms, pilots can maneuver helicopters with great precision and control. Helicopters are highly versatile aircraft that can hover, fly in any direction, and even land vertically, making them ideal for a wide range of applications such as search and rescue, law enforcement, military operations, and civilian transport.