Watch Why the CH-47 Chinook Is the King of Heavy-Lift Helicopters on Interesting Engineering. Explore the latest in ...

The Chinook Block IIs have an improved structure, uprated engines, and new fiberglass blades to add 4,000 pounds of payload capacity. There are also improvements to the fuel capacity to allow the ...

The CH-47 Chinook is an extraordinary helicopter ... positively affecting the machine's payload capacity. The two main rotors also allow for effective response to changes in the helicopter's ...