The mechanism is metal throughout (aluminium diecastings with one sintered part) and the pan and tilt axes are held in paired ball bearings. The slip ring assembly is a proprietary design and has proved outstandingly reliable. Stepper motors are used.
Technical features:
Continuous pan excursion
185 degrees Tilt excursion
2 amp dc per wire, 6 way slip ring
1 mm pitch polyurethane drive belt with 10:1 ratio