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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 Aptera has a claimed coefficient of drag that is very low, at 0.13 as of January 2023. [14] The car was tested at an Italian wind tunnel, the results of which were described by co-CEO Chris Anthony as "pretty pictures".
The design emphasizes mainstream rather than exotic materials, extreme low weight (less than 450 kg (1000 lbs)) and very low aerodynamic drag (coefficient of drag <0.16). [4] Significant design innovations include in-wheel suspension and safety design derived from endurance auto racing.
Pages in category "Drag racing cars" The following 48 pages are in this category, out of 48 total. This list may not reflect recent changes. B. Big Al II;
The average drag coefficient of a 1:5 model of Tatra 77 was recorded as 0.2455. The later model T77a, introduced in 1935, has a top speed of over 150 km/h (93 mph) due to its advanced aerodynamic design which delivers an exceptionally low drag coefficient of 0.212.
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.
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.