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The term drag area derives from aerodynamics, where it is the product of some reference area (such as cross-sectional area, total surface area, or similar) and the drag coefficient. In 2003, Car and Driver magazine adopted this metric as a more intuitive way to compare the aerodynamic efficiency of various automobiles.
The idea was to create vehicles with the lowest possible drag coefficient. All the cars featured large rear bumpers and curved fins. They were built upon the Alfa Romeo 1900 chassis. Each of the three cars was presented at the Turin Auto Show, in 1953, 1954 and 1955 respectively. The lowest of the three cars' drag coefficient was 0.19, [2] an ...
Drag coefficients in fluids with Reynolds number approximately 10 4 [1] [2] Shapes are depicted with the same projected frontal area. In fluid dynamics, the drag coefficient (commonly denoted as: , or ) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
Under Schlör's supervision at the AVA (an aerodynamic testing institute in Göttingen) a model was built. [3] Subsequent wind tunnel tests yielded an extraordinarily low [3] drag coefficient of 0.113. [1] For a functioning model, a Mercedes-Benz 170H chassis, [1] one of their few rear-engine designs, was used. The aluminum body was built by ...
The EQS is the first EQ model that is based on the technical platform specific to the electric models, called the MEA. [9] [10] Its automobile drag coefficient is as low as 0.20, making it the most aerodynamic car in production at the time of its introduction. [11] [12]
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Mercedes-Benz reported a drag coefficient of 0.19; [7] for comparison, the production vehicle with the lowest ever C d value was the GM EV1, at 0.195. While the Bionic had a much larger internal volume than the EV1, the Bionic's larger frontal area made the EV1 more aerodynamic overall, as drag is a product of the area and the drag coefficient.
Data from 2018-2021 found that the Mitsubishi Mirage G4 and hatchback models are the two most deadly cars for drivers, with 205 driver deaths per million miles.