The tail rotor on the helicopter is broken. This is a critical component of the helicopter's control system, as it helps to counteract the torque produced by the main rotor and allows the pilot to maintain control of the aircraft. Without a functioning tail rotor, the helicopter would be very difficult to control and could potentially become unstable in flight. Therefore, it is crucial to repair or replace the broken tail rotor before the helicopter can safely fly again. **

If a helicopter loses its tail rotor, it will experience a loss of anti-torque control. This means that the helicopter will start spinning uncontrollably in the opposite direction of the main rotor. This situation is known as a "tail rotor failure" and is extremely dangerous as it can lead to a loss of control and potentially result in a crash. Pilots are trained to perform emergency procedures in the event of a tail rotor failure, such as autorotation, to safely land the helicopter. **

The tail rotor of the model helicopter is spinning uncontrollably because there may be a malfunction in the tail rotor system. This could be due to a mechanical issue such as a broken tail rotor blade or a problem with the tail rotor servo. It could also be caused by a loss of control signal from the transmitter to the helicopter, leading to erratic behavior. It is important to troubleshoot and identify the specific cause of the issue in order to safely operate the helicopter. **

A helicopter has two rotors, one main rotor and one at the tail, to provide stability and control during flight. The main rotor generates lift and allows the helicopter to ascend, descend, and move in different directions. The tail rotor, also known as an anti-torque rotor, counteracts the torque produced by the main rotor, preventing the helicopter from spinning uncontrollably in the opposite direction. This configuration helps the helicopter maintain balance and maneuver effectively in the air. **

The number of rotor propellers needed to power an aircraft can vary depending on the size and design of the aircraft. Some small aircraft may only require one rotor propeller, while larger aircraft may have multiple rotor propellers. For example, helicopters typically have one main rotor propeller for lift and a smaller tail rotor for stability. In contrast, some experimental aircraft designs may have multiple rotor propellers for different purposes such as lift, propulsion, and control. Ultimately, the number of rotor propellers needed is determined by the specific requirements and design of the aircraft. **

Rotor blades are the rotating wings of a helicopter or an aircraft that generate lift and thrust. They are attached to the rotor hub and spin around a central axis to create the necessary aerodynamic forces for flight. Rotor blades come in various shapes and sizes depending on the type of aircraft and its intended use. Proper maintenance and balance of rotor blades are crucial for safe and efficient flight operations. **

The rotor is located inside the distributor of an internal combustion engine. It is a key component in the ignition system and is responsible for distributing high voltage electricity to the spark plugs in the correct firing order. The rotor spins inside the distributor cap, making contact with the ignition coil and sending the electrical charge to the appropriate spark plug at the precise moment for combustion. **

A helicopter rotor is designed to withstand a variety of forces and conditions. It can withstand the aerodynamic forces generated during flight, including lift and drag. It is also designed to withstand the stresses of high-speed rotation and the forces of gravity. Additionally, helicopter rotors are engineered to withstand the impact of air turbulence and gusts, as well as the forces of maneuvering and landing. Overall, helicopter rotors are built to withstand the demanding conditions of flight and provide safe and reliable operation. **