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Bottoming out occurs when the underbody of a Formula 1 car hits the track surface. Formula 1 cars run low ride heights to keep the car’s centre of gravity low and aid the creation of aerodynamic downforce.
As the suspension compresses at speed and in cornering, this ride height becomes smaller, making the car even more likely to ‘bottom out’ on sudden bumps or kerbs. As the underbody includes a wooden plank to measure ride height, this can leave brown stains on the track where it wears.

From Mclarens ‘F1 playbook”. Check out more on the McLaren site – here

Andrew Burden

The author Kiwi F1 Fan