Leonardo da Vinci designed a crane to lift heavy loads vertically.
Leonardo’s notebooks contain several crane and hoisting-machine designs. These devices used combinations of pulleys, gears, screws, ropes, and counterweights to multiply force and control the movement of materials. Some designs were intended for construction, while others addressed the movement of building components or earth.
A crane differs from a simple pulley or winch because it combines lifting with a supporting structure and often allows a load to be moved horizontally or rotated. Leonardo explored ways to make such machines more efficient and easier to operate, including mechanisms that reduced the effort required from workers.
Leonardo did not originate the crane. Ancient Greeks and Romans had already used cranes for construction, and medieval builders developed many further forms. His importance lies in analyzing and drawing mechanisms with unusual precision. These studies reveal his practical interest in architecture, fortification, canals, and the logistical challenges of large building projects.