What is the primary purpose of balancing aircraft wheel assemblies?

The primary purpose of balancing aircraft wheel assemblies lies in ensuring smooth operation during flight and taxiing by preventing heavy spots and reducing vibration. When wheel assemblies are balanced, it ensures that mass distribution is uniform across the wheel, which minimizes the chance of wobbling or vibrations when the aircraft is in motion. This balance is crucial because excessive vibrations can lead to structural fatigue, increased wear on tires, and potential failure of components, all of which can negatively impact safety and performance.

While increasing tire life and performance, enhancing fuel efficiency, and improving braking power may be secondary benefits derived from a well-balanced wheel assembly, the main focus of balancing specifically targets the reduction of vibrations and the elimination of heavy spots. These factors are fundamental for ensuring a smooth ride and maintaining overall aircraft integrity.