Matching Pairs Aerodynamics in sports - carsOnline version Links words to their image or definition by Cléa Claret 1 2 Scoops, or positive pressure intakes 3 4 is caused by the “hole” left in the air as a vehicle passes through it. 5 Frontal pressure 6 Turbulence are useful in providing a mild “Ram Air” or “Supercharging” effect to a combustion engine. Rear vacuum Wing with endplates Wing without endplates is caused by the air attempting to flow around the front of the vehicle.