Hydraulic systems can generate significantly higher pressures (1,000-5,000 psi) compared to pneumatic systems (typically 80-100 psi). The fluids used in pneumatics have lower mass density and are more ...

These were turned from a scrap of aluminum rod and an old flange-head bolt; when air pressure is applied, the bolt is drawn into the cylinder, which locks the arm in place. To make it easy to ...