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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.
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.
It is created as an extension of the rear of the vehicle, moving the rear backward at a slight angle toward the bumper of the car. This can reduce drag as well but a boattail would reduce the vehicle's drag more. Nonetheless, for practical and style reasons, a kammback is more commonly seen in racing, high efficiency vehicles, and trucking. [18]
The Kammback, along with other aerodynamic modifications, gave the prototype a drag coefficient of 0.25. [12] The earliest mass-produced cars using Kammback principles were the 1949–1951 Nash Airflyte in the United States and the 1952–1955 Borgward Hansa 2400 in Europe. [7]
The Volkswagen ID.3 is a battery electric small family car produced by Volkswagen since 2019. It is the first production car to utilize the MEB platform, [10] and the first model of the ID. series. [11] It was unveiled on 9 September 2019 at the Frankfurt Motor Show, after being first shown as the I.D. concept car at the 2016 Paris Motor Show ...
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The T-5R was renowned as a sleeper car; despite its boxy, understated appearance, it boasted a drag coefficient of 0.29 and was capable of accelerating from 0 to 60 mph (97 km/h) in 6.8 - 7.0 seconds (depending on transmission and body type). The top speed was electronically limited to 152.2 mph (244.9 km/h).
The significant improvements to the Model 3's design, refinement, and performance were enough for us to name it to our 10Best Cars list for 2025. The update also brought new life to the ...