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