Leonardo da Vinci’s armored vehicle was designed to carry eight crew members.
Leonardo drew the fighting vehicle in the 1480s as a conical, armored platform mounted on wheels. Inside, several operators would turn cranks connected to gears, driving the wheels and moving the vehicle across the battlefield. The sloped shell was intended to deflect incoming projectiles, while openings around the vehicle would allow weapons to be fired outward.
The vehicle is frequently described as an early tank, although it was never built for Leonardo’s patrons or used in battle. Some modern reconstructions have identified a gearing problem in the drawing: the arrangement as shown could make the wheels turn in opposite directions. Historians commonly interpret this as either an error or a deliberate safeguard against unauthorized construction.
The eight-person capacity refers to the crew inside the vehicle, not to soldiers transported elsewhere. Leonardo’s design combined protection, mobility, and concentrated firepower in a single machine, anticipating several features associated with later armored vehicles.