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 ...

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 ...

From a load-capacity point of view, the most suitable gearhead ratio has the highest torque density for the most compact (and cost-effective) package. From an application point of view, the best ...

There was a time when print-in-place moving parts were a curiosity, but [Tomek] shows that things are now at a point where a hand-cranked turbine blower with integrated planetary gears can be entirely ...

The choice between helical and spur gears in gearboxes may seem straightforward. Go with helical gears if you want the gearbox to run as smoothly and quietly as possible. Choose spur gears when you ...

For folks with high horsepower street cars, the allure of a "clutchless" manual Lenco gearbox—and the cool-looking lightning-rod shifters—is pretty clear, but historically, the cost has been ...

On a regular bicycle crankset, the chainrings turn in a 1:1 ratio with the crank arms. In the case of the Ultime Ti crankset from French company MG Tech, however, things are a little different – an ...

Here’s a very neat idea Yelvington Trikes presented at the 2014 AIMExpo, a bike show which is getting underway in Florida as we write. The idea is not exactly a science breakthrough, but is a “why ...

The company is now offering a high-performance and economical drive program with the addition of planetary gears to its line of synchronous and stepper motors The company is now offering a ...