This miniature gearbox is of steel and brass construction with brass gears and is mounted on a 1mm thick steel bracket. It incorporates a high quality three pole motor with sintered bronze bearings. The design and construction of the unit make it suitable for a host of model and light industrial applications.
Reduction ratio 100:1. Various output speeds available by using different supply voltages. For motor specifications see RE280.

Output RPM Model 918D 100:1
46rpm at 1.5V
92rpm at 3.0V
The above figures are a guide only.