Mendeleev Rybinsk Tank :
The Mendeleev Rybinsk Tank was designed in Rybinsk in the mid 1910s. Designed by Vasiliy Mendeleev who was born in 1886. The armored fighting vehicle or AFV was revolutionary for its time. It featured 127 mm large gun and weighed over 170 tons. Its super heavy weight was due to its thick steel plate armour. The Tank also featured gas compressed piston suspension revolutionary for its time. The tank was never built.