4 Bar Link Calculator ((top))

Before clicking buttons on a calculator, you must understand the anatomy. A four-bar linkage consists of four rigid bodies (links) connected by four revolute (pin) joints forming a closed loop.

It wasn’t just a tool; it was a map. He would plug in the lengths of his four bars—the Ground, the Crank, the Coupler, and the Rocker—and watch the screen come alive. With a click, the calculator would trace the "coupler curve," a ghost-like loop in space showing exactly where the joint would travel. 4 bar link calculator

For specialized applications like automotive builds, specific geometry is key. For example, in a triangulated 4-link suspension Before clicking buttons on a calculator, you must