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 ...

Gas-rich planets such as Jupiter and Saturn grew from a disk of dust and gas which eventually crumpled like a piece of paper under its own gravitational instability -- or so one theory goes. Now a ...

The components get assembled into a planetary gearhead with a roller chain replacing the traditional ring gear. They are assembled into a complete gearhead from Gearing Solutions. Durable gears for ...