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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 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]
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]
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.
Drag coefficient (ratio) (ratio) (ratio) economics, top speed, range lower is better for moving into/through a fluid(air/water), higher is better for stopping/redirecting with a fluid Friction or Friction coefficient lbf or (ratio) lbf or (ratio) N or (ratio) acceleration, braking distance, traction, fuel consumption, tyre wear
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, [11] and the first model of the ID. series. [12] 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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Lonsdale (1982–1983) /Cars produced and exported by Mitsubishi Australia and sold in the UK by the Colt Car Company under the Lonsdale brand/ Pellandini (1970–1978) Purvis Eureka (1974–1991) Shrike (1988–1989) Southern Cross (1931–1935) Statesman (1971–1984) Tarrant (1900–1907) Zeta (1963–1965)