Today I thought I'd bring an older video made by Lesley Hisgen, where he proposes a remote controlled 4-speed gearbox concept.
This gearbox uses a couple of powerful RC Race Buggy motors (5292) for driving and one PF M-motor for shifting. It is possible to have four gears, because the gearbox has an internal 2-speed gearbox, driven by the PF medium engine, and you can operate one or both RC motors through an adder setup, from a single lever in the remote control. This combination creates the 4-speed gearbox.
The video shows also a custom remote control, used to control the gearbox and explains how it works.
Hope you find it interesting.
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