The ring gear is typically fixed and is often part of the gearbox’s outer casing, and the input shaft drives the sun gear. This cutaway image of a two-stage planetary gearbox shows the side ...

Realizing that it’s essentially a cycloidal drive meshed with a planetary gear set, he got to work in CAD and, in seemingly no time, had a design to test. You can see the full results of his ...

Even more interestingly, it makes use of a continuously variable automatic transmission constructed with bevel planetary gears – hence the name "Orbit Drive." The idea is certainly nothing new ...