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Engineers' ingenious contraption constructed

Crash just evaded: Luc Ackermann performs daring stunt over a 9-meter barrier, on dual moving trucks

Construction of the daring engineering feat
Construction of the daring engineering feat

Engineers' ingenious contraption constructed

In a breathtaking display of skill and precision, freestyle motocross rider Luc Ackermann successfully executed the Tsunami Backflip, a never-before-seen stunt that left spectators in awe.

The Tsunami Backflip, a unique trick involving a backward somersault from a moving truck to another, over a high obstacle, was calculated by a team led by sports scientist Thomas Stoeggl. The team used digital 3D models, motion simulations, and virtual reality tests to analyze the jump in advance, ensuring every aspect was meticulously planned.

On the day of the stunt, two stationary trucks formed the takeoff and landing platforms, with a 9.2-meter high height control positioned exactly in the flight path. Luc Ackermann, with his bike, and the combined speed of the trucks, reached around 74 kilometers per hour. At a launch angle of 41 degrees, Ackermann covered around 40 meters during the jump, having only around 1.5 meters of clearance from the height control.

The jump duration was slightly longer than two seconds, a testament to the complexity of the trick. Deviations of just 30 centimeters would have made the jump impossible, highlighting the precision required. Ackermann's landing was equally precise, with only a few centimeters of leeway.

For Ackermann, the moment of takeoff was a result of 100% trust in the setup, the team, and the calculations. The Tsunami Backflip is more than just riding skills; it necessitates teamwork, technical understanding, and mastery of spatial forces.

The Tsunami Backflip is considered a novelty due to its combination of a moving takeoff and target. It is one of the most complex tricks in freestyle motocross, involving the rider leaving the saddle, stretching horizontally away from the bike while rotating backwards.

Thomas Stoeggl, a researcher involved in the calculation of the Tsunami Backflip, likely contributed expertise in sports science or physics. His calculations ensured the success of this groundbreaking stunt, demonstrating the intersection of science and sports in pushing boundaries and creating history.

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