What allows the gyro rotor to maintain its position when the support mount is adjusted?

The gyro rotor maintains its position when the support mount is adjusted due to the function of gimbal rings. Gimbal rings allow for a free rotation of the gyro within its mounting frame, which enables it to maintain its orientation relative to its initial position regardless of movement or adjustments made to the support structure. This is a fundamental principle of gyroscopic stability, as the rotor's spinning motion creates angular momentum, resisting changes to its axis of rotation.

When the support mount is adjusted, the gimbal rings permit the gyro to pivot smoothly, ensuring that its axis remains stable. This stability is crucial in applications where precise orientation is necessary, such as in navigation systems, inertial navigation platforms, and various types of aircraft. The design of gimbal rings, therefore, is essential for the effective operation and functionality of gyroscopic instruments.