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A very instructional video. Several important things to note.
Nitro, it really makes the power, but when it goes wrong, it goes wrong in the worst possible way.
The destruction of the fiberglass bodies relieved the internal pressure & minimised damage to the driver. It also prevented the whole car from becoming airborne in a really big way like some did in the early days. At 50 feet in the air & 200 mph, you just know it isn't going to be a soft landing, particularly when the body explodes at the peak of the balistic trajectory.
The fuel rails are designed to break up just in front of the drivers protective cell, as well as just behind it. The idea being to lose that burning mass of engine & drive line as well as the front of the car, leaving the driver nice & safe in his little low mass, low inertia cocoon. Sometimes it even works.
The power that these things produce, both before & after the big bang is truly frightening.
Great footage, thanks K12.