[Theo Jansen] is famous for his giant walking Strandbeest creations. They’re elegant, impressive, and powered by nature, and their walking mechanism is a thing of beauty. If you’ve ever wanted ...

If that mechanism looks familiar, it’s because it’s been popularized by the Dutch kinetic sculptor Theo Jensen. In essence, it’s a four-bar linkage driven by a central crank, and the power ...

The four bar linkage is a type of mechanical linkage that is used in many different devices. A few examples are: locking pliers, bicycles, oil well pumps, loaders, internal combustion engines, comp… ...