Rotating- Rotating actuators use air pressure to cause rotary motion. This type of actuator typically provides angular rotation up to 360°. Rotary actuators can be a vane design or a rack and pinion ...

His design will look familiar to anyone ... 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.

Using pneumatic cylinders from the LEGO Technic series, [Brick Technology] starts by getting the basics working with a single-cylinder design. Besides the fact that there are no fuel-air ...