This Insane Helicopter Was The Largest Ever Built: The Mil V-12 Story

Sign up for an annual CuriosityStream subscription and you’ll also get a free Nebula subscription (the new streaming platform built by creators) here: The Soviets built some of the largest and most technically advanced helicopters in the world. By 1957, the Mil Mi-6 had already emerged as the largest helicopter ever built, far out-sizing helicopters built in the west. But for the Soviet Union, the need to build a helicopter far larger than even the Mi-6, soon became a mat