Leonardo da Vinci studied a scythed chariot, a war vehicle fitted with rotating blades intended to cut through infantry.
Scythed chariots were ancient military concepts, and Leonardo revisited the idea in his engineering studies. His version used a horse-drawn platform with blades mounted on rotating wheels or axles. The motion would have made the machine dangerous to troops near its path, although it would also have posed serious risks to its operators and horses.
Leonardo’s drawing is best understood as a military design study, not as a proven invention used in battle. The concept reflects Renaissance interest in recovering and adapting ideas from classical warfare.
The scythed chariot is not the same as Leonardo’s armored vehicle, often called a tank. The tank design emphasized protection and mounted weapons, while the scythed chariot depended on fast-moving blades.