Extreme Downforce--Fan Race Car With Ground Effect : r/aerodynamics

Gordon Murray's T.50 supercar will use a fan to increase downforce

Ground effect (cars) - Wikipedia

Energies, Free Full-Text

RC Car Extreme Aerodynamics

Ground effect in F1 and street cars : r/AskEngineers

Fast Forward in real life: the 1000HP McMurtry Spéirling Fan Car

Developing NASCAR's Gen 7 Aerodynamics - Racecar Engineering

Teams Were Only Making Racing's Biggest Aerodynamic Problem Worse. Here's How Series Took Them On

Developing NASCAR's Gen 7 Aerodynamics - Racecar Engineering

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Teams Were Only Making Racing's Biggest Aerodynamic Problem Worse. Here's How Series Took Them On