There are two common types of jib system, each controlled by a single hydraulic cylinder.
Like hydraulic cylinders, something forces a piston to move in the desired direction.
This process is common among manufacturers of hydraulic and pneumatic cylinders.
The main body of the machine pistol was made from hydraulic cylinders produced for hospital equipment.
These consist of one or more hydraulic cylinders and air bottles.
A hydraulic cylinder is the actuator or "motor" side of this system.
In May 2008 the fountain was turned off again due to the failure of its main hydraulic cylinder.
In some instances, hydraulic cylinders have buckled rather than turn the ring.
Simple hydraulic cylinders have a maximum working pressure of about 70 bar.
The stroke of a hydraulic cylinder is limited by the manufacturing process.