The evolution of spacecraft valves has come a long way since they were used in liquid-fueled Saturn V rockets. Today, spacecraft component manufacturers leverage vertical integration, 3D printing and ...

Click to open image viewer. Shown here is a mock-up of a reaction control system (RCS) engine developed for use on the Apollo Service Module. RCS thrusters like this one were mounted externally in ...

Click to open image viewer. This is an Apollo Reaction Control System (RCS) rocket motor, or thruster. The RCS maintained the attitude of the Apollo Service Module and helped it to maneuver in space, ...

Equipment designers find that proportional control technology is ideal where precise performance is required in variable pressure or flow applications. Often perceived as more complicated than other ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...