PEN9999 Multi Ratio Gearbox
Comprises 1.5v-6v motor,polycarbonate gearcase and tough nylon gears.
The gear box comes ready assembled, but can be opened and the gear ratio changed to suit your needs, simply by removing one or more intermediate gears.
Motor speed at 6v (with gears attached) 6000 RPM.
Ideal for Samson Tug Plan.