What was Leonardo da Vinci’s robotic knight designed to do?

Leonardo da Vinci’s robotic knight was designed to move like a human.

Leonardo developed the concept around 1495 while working in Milan for Ludovico Sforza. The knight was an armored humanoid automaton with an internal system of pulleys, cables, and gears. The mechanism was intended to reproduce actions such as sitting, standing, moving its arms, and raising its visor.

The design appears in Leonardo’s Codex Atlanticus and in related anatomical and mechanical studies. It was probably intended for court entertainment rather than warfare. The figure may have been displayed at a Milanese celebration, although the historical evidence for a completed original is limited.

In 2002, roboticist Mark Rosheim built a working reconstruction based on Leonardo’s drawings. The reconstruction helped demonstrate that the mechanism could plausibly produce the movements shown in the surviving design.