Quote:
Originally Posted by Tobra
Mr Higgins, the manhole cover was not bolted to the ground. Seems much more plausible the car bottomed out than suction pulled it out of the ground. If that is the story, the problem is fault of the car, rather than the course. If it was my car, I know what story I would be telling
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Manhole covers need to be welded shut when ground-effects cars are racing on a street circuit. It's been that way for decades of street races. (They even had to be welded down for the old Trans-Am and Can-Am cars, because the sticky tires would also pick them up. Not as dramatically but equally dangerous) Welding down the drains and manholes is all part of the track prep.
F1 cars could drive upside down if a suitable track could be built. Plenty of suction. Plenty.