How about a helicopter with no tail rotor that weighs 152,000-pounds? Enter the Mil Mi-12. Continue reading to see more. Click here for first picture in gallery.
With its first flight taking place on July 10th, 1968, the Mil Mi-12 is the world’s largest helicopter. Its two-rotor transverse scheme allowed the aircraft to fly without the need of a tail rotor. Several prototypes were built and at least one of them was able to lift approximately 88,636-pounds to a height of 7,398-feet. Other specifications include: a maximum speed of 163mph, 11,480-feet service ceiling, and 1,000-kilometer range.