The vacuum cleaner of the race track, or how to solve a cooling problem with downforce and vice versa, could have been the title of this article. It's about the Brabham BT 46B, which was used in exactly one race in 1978 and won it at the first attempt. It was the brainchild of designer Gordon Murray and, had it not been prevented, the vacuum cleaner principle would probably have revolutionized Formula 1. But things turned out differently. This article looks back at the turbulent Formula 1 years and explains the technologies used at the time.