Download the Realistic 3D Model of the Boeing CH47 Chinook Twin Rotor Heavy Lift Helicopter... The CH 47 Chinook uses a Counter or Contra Rotating Twin Rotor Design that meshes the two sets of blades through a gearbox so that the blades never collide with eachother. The Ch47 Chinook Is capable of carrying large amounts of Cargo Troops and even Heavy Weapons slung underneath. This Ultimately realistic 3D Model is Detailed to the Hilt, allowing it to be used for very real and detailed Close Up Shots as well as background scene fillers for that "Important to capture reality" Scenery Atmospherics, Check Out the details of the > Chinook Model Here < and see the myriad of other great models that would compliment the CH47 Chinook in a "Fleshed out" Scene...