Infiniti and Red Bull Racing have released the fourth and final installment of their "Making of an F1 Car" series. It focuses on the assembly of the car.

Infiniti and Red Bull Racing have released the fourth and final installment of their "Making of an F1 Car" series.

The latest clip focuses on the assembly of the car which takes about a week despite being similar to a "very sophisticated jigsaw puzzle."

The company makes a total five different chassis' - two for race cars, two for testing cars and one for a spare - and each are equipped with thousands of components. To ensure everything is up to racing duty, each component goes through a rigorous testing regime that including everything from x-ray scans to ultrasonic testing.

As Chief Engineer Paul Monaghan explained "Each and every part of it is a necessary and vital step to realizing the car. If we took any one of those departments out, then we wouldn't get the cars to the grid."

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