What if the future of precision mechanics didn’t rely on massive manufacturing plants or multimillion-dollar R&D budgets, but instead emerged from a 3D printer on a hobbyist’s workbench? That’s ...

Any project that contains something called a “flux modulator” instantly commands our attention. And while we’re pretty sure that [Retsetman] didn’t invent it after hitting his head on the toilet, this ...

Cars are Andrew's jam, as is strawberry. After spending years as a regular ol' car fanatic, he started working his way through the echelons of the automotive industry, starting out as social-media ...

Invention of the gear-hobbing process about 150 years ago revolutionized not only gear fabrication, but also gear design. Basically, a hob or shaper cutter traverses the gear blank to generate teeth.

The larger gear in a pair is called the gear, the smaller is called the pinion. Gear ratio: The number of teeth in the gear divided by the number of teeth in the pinion. Also, ratio of the speed of ...