Experimental Russian Tsar Tank in 1914
In 1914, engineers in Russia attempted to build a massive tank unlike anything the world had ever seen. It was a “trike style” machine that required two massive 27-feet-tall wheels on a track. The smaller wheel on the back of the vehicle was estimated to be just five feet tall. The enormous wheels were supposed to help Russian soldiers climb over large objects. Instead, incorrect calculations led to the machine’s weight skyrocketing while its power output was far too weak.
