How is the speed of a radial piston hydraulic motor controlled?

The speed of a radial piston hydraulic motor is controlled by varying the fluid flow rate discharged to the motor. In hydraulic systems, the flow rate of the hydraulic fluid directly impacts the speed of the motor; increasing the flow rate will lead to a higher rotational speed, while decreasing it results in a lower speed. This relationship allows for precise control over the motor's performance in various applications by adjusting the hydraulic system's output.

The other methods mentioned do not effectively regulate the speed of the motor in the same manner. Changing the motor's orientation affects the alignment and application but does not influence speed directly. Adjusting hydraulic pressure can influence the power output and torque but does not have the same direct relationship with speed as flow rate does. Regulating motor temperature is important for overall operational efficiency and safety, but it is not a method for controlling speed.