In a control system, what is the function of the primary stops?

The primary stops in a control system serve a crucial function by setting the limits of control surface movement. These stops are mechanical devices designed to restrict the maximum and minimum deflection of control surfaces like ailerons, elevators, and rudders.

By defining these limits, primary stops ensure that control surfaces do not move beyond their designed parameters, which could lead to potential control issues, structural damage, or excessive wear on the systems. This is essential for maintaining the integrity of the aircraft’s control mechanisms and ensuring safe operation under various flight conditions.

Additionally, having well-defined limits helps pilots and automated systems manage flight control effectively, enhancing overall safety during maneuvers. Therefore, the primary stops play a vital role in the proper functioning of the control system by establishing boundaries that prevent over-exertion or unintended surface movements.