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Aptera's introductory press release stated its design would achieve 330 mpg, and included computer renderings of the vehicle. The body shape was estimated to have a drag coefficient of Cd=0.055 to 0.06, and would have sported a 12 horsepower (9 kW) diesel engine and a 24 horsepower (18 kW) permanent magnet DC motor.
The Aptera has a claimed coefficient of drag that is very low, at 0.13 as of January 2023. [15] The car was tested at an Italian wind tunnel, the results of which were described by co-CEO Chris Anthony as "pretty pictures". [16]
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.
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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.
Thanks for the link to automobile drag coefficient. I'll add a link to it in the article and add the new Aptera to the list there. Regarding Alberto Morelli, this article is not on the history of low drag cars and so I don't see how mentioning him applies. Many others also worked on this problem. Others added the mention of other similar cars.
One’s biological age, which measures the body’s physiological state, may help predict who is at risk for developing colon polyps, a known risk factor for colorectal cancer.
The work isn’t done. The offensive line took a huge leap in 2024 but some tweaking can be done up front. Also, one more vertical X-receiver option would complete this wide receiver room.