If you’ve ever been to a Maker Faire, perused Thingiverse, or been within 100 feet of a 3D printer, you’ve probably seen a plastic set of planetary gears with a little crank or maybe a set of ...

A few weeks ago, I went to the amazing Auburn Cord Duesenberg Automobile Museum in Indiana, where I learned about an axle that has not just one gear ratio like in pretty much all modern cars, but two.

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 ...

• Planetary units with helical gears, rather than spur gears, have higher torque capacity and run quieter. • Different manufacturers measure and rate backlash in different ways. • Software tools for ...

As confused as Blue Oval and Mopar fanatics may be in their misguided hot rodding proclivities, at least they know a good automatic transmission when they see one. How else can you explain the ...

Single-clutch and dual-clutch transmissions differ in how they are designed to select gears, as well as in how much input ...

The automatic transmission has been a given option through most our time behind the wheel, but that wasn’t always the case. In the early ’30s there was no such animal. The main purpose behind any ...