The Huck BobTail 12,14,16, 20mm and 1in diameters, after lengthy and vigorous independent testing, has gained the prestigious Allgemeine bauaufsichtliche Zulassungen (German national technical approval) from the world renowned DIBt (Deutsches Institut für Bautechnik) for use in both static and dynamic applications in civil engineering.
McMurtry Spéirling defies gravity using fan downforce
What a fun demonstration. I wonder if they were brave enough to be in the car when it was first turned over. Racing fan cars would be an interesting...