Gears come in all shapes and sizes. They are the toothy wonders that make the world go around, and they're incredibly important in the operation of a motor vehicle. There's a more specific type of ...

This article was updated Feb. 28, 2023. It was originally published March 1, 2000. Planetary gears can supply high levels of torque and high-speed reduction. They are also relatively compact compared ...

Throughout the 1900s, cars with manual transmissions slowly gave way to those with the ability to shift between gears automatically. Early automatic transmissions with names like Hydra-Matic, Dynaflow ...

A clock is perhaps one of the the most popular projects among makers. Most designs we see are purely electronic and do not bother with the often more complicated mechanical part. Instructables user ...

A recently granted patent (Publication Number: US11879529B1) discloses a two-speed gearbox assembly designed for electric drive vehicles. The gearbox assembly includes a housing, multiple planetary ...