Ground-level footage from July 2007 of the filming of the flipping/rolling of a 52 foot articulated tractor-trailer on the streets of Chicago for the movie "The Dark Knight", in theaters and IMAX now.
If you are curious how they did it, it was pretty simple (making it flip anyways...Making it stay together required other steps). They installed a powerful ram/piston on the bottom of the trailer, seen here:
http://host.trivialbeing.org/galleries/tdk-j-joker-crash/DSC02102.JPG
The piston slams into the ground, propelling the trailer into the air. To get it to roll forward rather than just bounce/flip/crash into buildings, a pair of gear-like plates are welded to the front of the tractor. They go all the way down to just a couple of inches from the ground. Here's a picture of the teeth on the semi:
http://host.trivialbeing.org/galleries/tdk-j-joker-crash/DSC02116.JPG
Or here for a smaller and color-corrected picture:
http://www.hollywoodchicago.com/uploaded_images/truck3.jpg
For a full overview of the testing and filming of this shot, watch this:
http://www.youtube.com/watch?v=yGjED6_tX04&fmt=22
Source: MyFox Chicago
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How did the get a big ass tractor trailer up like that?
BoomBoy13 2 years ago
A large piston mounted beneath the trailer slammed into the ground, launching the back of the rig into the air. There are gear-like plates on the front of the tractor to ensure it rolls properly (if you watch the Blu-ray, the gears have been edited out digitally, making it look like the front end is floating a couple feet off the ground while it rolls :P). The video description contains links to photos of the semi, with the gears and piston. Keeping the rig together was a whole other issue.
danieldeibler 2 years ago 7