The Boeing CH-47F Chinook is an twin-engined, tandem rotor, heavy-lift helicopter orginally developed for the US military. It is among the heaviest lifting Western helicopters.
https://www.youtube.com/watch?v=fldq7acQjME
The Boeing CH-47F Chinook is an twin-engined, tandem rotor, heavy-lift helicopter orginally developed for the US military. It is among the heaviest lifting Western helicopters.
https://www.youtube.com/watch?v=fldq7acQjME