Revealing mistake: When the Charger hits the red truck, the truck turns over with the assistance of a 'pipe cannon' (note the sudden eruption of white smoke from under the truck). This device is like a large gun, pointed down that fires a cylindrical wooden 'bullet' at the ground, and the pressure behind it forces one side of the truck upward, causing the flip. Evidence of its use is seen when the passing cop drives away and in the street is a perfectly circular 'dent' in the asphalt with a burn mark surrounding it. (01:12:50 - 01:16:20)
Dirty Mary Crazy Larry (1974)
Trailers
Directed by: John Hough
Starring: Peter Fonda, Susan George, Kenneth Tobey, Adam Roarke
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Suggested correction: A cannon roll uses a large device, usually a metal pipe that is pointed down, but it does not fire a "bullet" wooden or otherwise. It is just the force of the explosive charge focused downwards that causes the cars to roll over.
A cannon roll shoots out a wooden log to flip a vehicle, it's not just shooting out air.
This is just nonsense, a wooden log would be too dangerous to use, would be highly conspicuous on screen, and would take up room inside a vehicle.
Then you don't know how they use to do car stunts. It does take up room, but even modern methods do. Cars have to be modified heavily and of course it's dangerous, they're flipping a car with a driver inside. Film makers do everything they can to avoid the stunt car from being detected (just the same way they do everything that can to avoid a dummy being detected). Here's a article that talks about car stunts before the pneumatic flipper. Https://www.caranddriver.com/news/a15364815/the-inside-story-of-the-academy-award-winning-car-inversion-device-or-how-to-flip-cars-real-good/.
Bishop73 is right. For example, from Raiders of the Lost Ark: https://www.moviemistakes.com/picture6238.
Larry Rayder: I think I'm gonna screw Miss Mary. You mind, Deke?
Mary Coombs: I mind, Yo-yo.
Larry Rayder: Well, you didn't mind last night. Matter of fact, you kept begging for more.
Mary Coombs: Oh. Well maybe that gives you some idea of how little I was getting.
Trivia: The final train crash scene was used in the opening credits of the 1980's TV show "The Fall Guy" starring Lee Majors.
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