If you like helicopters, stop scrolling! This is the Boeing CH47 Chinook. It’s a revolutionary twin rotor helicopter that first flew in 1961. Now they’ve been constantly improving the design of the Chinook for over 60 years. The British had their own twin rotor helicopter called the Bristol Belvedere, however they didn’t develop theirs any further and retired them in 1969. The Royal Air Force operates the American-built Chinook from RAF Odiham in Hampshire. It's one of the world’s heaviest lifti