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 ...

Early automatic transmissions with names like Hydra-Matic, Dynaflow, ZF, and Hondamatic delivered simplistic driving, but heavy planetary gear systems and torque converters sacrificed fuel efficiency.