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 ...

After he built his first design, [wyojustin] realized he could add a planetary gear that could move an hour ... the drive setup seems to work pretty well. Check out [wyojustin]’s site to see ...