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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 GMC Hummer EV (badged as H EV) is a line of battery electric heavy-duty vehicles produced by General Motors since 2021, and sold under the GMC marque. [12] The Hummer EV is offered in two variants: a pickup truck and a sport utility vehicle (SUV), unveiled in October 2020 and April 2021 respectively.
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.
The Hummer EV, which launched to much fanfare in late October 2021, starts at about $85,000 with models that reach as high as $110,000, Yahoo Finance's Pras Subramanian reported.
Frontal cross-section area sq ft sq ft m 2: economics, top speed, range, cargo capacity lower is better if area is too small, vehicle becomes difficult to use Fuel economy: mpg (US) mpg (imperial) l/100 km and km/L economics, range greater is better (mpg and km/L), lower is better (L/100 km) must be specified on new vehicles for sale in the US ...
Aircraft use the wing area (or rotor-blade area) as the reference area, which makes for an easy comparison to lift. Airships and bodies of revolution use the volumetric coefficient of drag, in which the reference area is the square of the cube root of the airship's volume. Sometimes different reference areas are given for the same object in ...
Our own test of the Hummer EV found it to be surprisingly competent off-road, but the wrong angle of attack or an unexpected obstruction can end even the most experienced off-roader's day.
The regular production option (RPO) ETJ "Max" high voltage traction battery in the Zevo uses 20 Ultium modules; for comparison, the GMC Hummer EV uses 24 Ultium modules and has an usable capacity of 212.7 kW-hr, [35] [31] and the Zevo "Max" battery has an estimated capacity of 173 kW-hr. [36] The 20-module "Max" battery is available only with ...