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Not really a tank lel but... "The Motomitragliatrice Blindata d'Assalto "MIAS"(armored engine-driven assault machine-gun) produced by Ansaldo. The MIAS is a prototype vehicle built during the '30s, a period well known(at least in Italy) for the military experimentation, that often led to wierd-looking vehicles with dubious values on the battlefield. The MIAS was essentially a very small armored vehicle, in fact nothing more than a machine gun equipped with caterpillar tracks and protected by an armored hull. According to the manufacturing company, the steel-made sloping armor was able to withstand small arms fire coming from around 50 meters of distance. The MIAS was powered by a single-cylinder 250cc Frera engine, able to produce 5 HP,enough to reach 5km/h; the vehicle was also equipped with a reverse gear and a differential gear in order to change direction quickly. The main armament was formed by a 6,5 mm Scotti machine-gun(equipped with 40 magazines,for a total of 1000 rounds),shooting from a small loophole in the frontal armor. Ansaldo produced another version of the vehicle, armed with a 45mm Brixia grenade-launcher."
Clik here to view.

Not really a tank lel but... "The Motomitragliatrice Blindata d'Assalto "MIAS"(armored engine-driven assault machine-gun) produced by Ansaldo. The MIAS is a prototype vehicle built during the '30s, a period well known(at least in Italy) for the military experimentation, that often led to wierd-looking vehicles with dubious values on the battlefield. The MIAS was essentially a very small armored vehicle, in fact nothing more than a machine gun equipped with caterpillar tracks and protected by an armored hull. According to the manufacturing company, the steel-made sloping armor was able to withstand small arms fire coming from around 50 meters of distance. The MIAS was powered by a single-cylinder 250cc Frera engine, able to produce 5 HP,enough to reach 5km/h; the vehicle was also equipped with a reverse gear and a differential gear in order to change direction quickly. The main armament was formed by a 6,5 mm Scotti machine-gun(equipped with 40 magazines,for a total of 1000 rounds),shooting from a small loophole in the frontal armor. Ansaldo produced another version of the vehicle, armed with a 45mm Brixia grenade-launcher."