This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, ...

Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears.When a flag is raised, it will often be lifted using a pulley mechanism. A pulley is a wheel on a fixed axle.

It was this evolution of desktop 3D printing that inspired the recently concluded 3D Printed Gears, Pulleys, and Cams contest. We wanted to see what hackers and makers can pull off with today’s ...

This drives the inner pulley at a ratio depending on the spacing ... like this strain-wave gear and this planetary gearbox, are amenable to 3D printing. Looks like the Inception Drive could ...