Today's passenger aircraft house some of the most cutting-edge innovations in engine technology, and that list most certainly includes turboprop engines. In layman's terms, a turboprop is a jet engine ...

Worm gearboxes are the workhorses of modern manufacturing, increasing motor torque and acting as speed reducers in myriad industrial applications. Their Achilles' heel — inefficiency — is also their ...

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.