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LASRE was a small, half-span model of the X-33's lifting body with eight thrust cells of an aerospike engine, rotated 90 degrees and mounted on the back of a Lockheed SR-71 Blackbird aircraft, to operate like a kind of "flying wind tunnel." The experiment focused on determining how a reusable launch vehicle's engine plume would affect the ...
A Reims/Cessna FA150K Aerobat in Cessna's original 1970 Aerobat paint scheme. 150K/A150K 1970 model year with a split master switch that could turn off the alternator separately, [27] a ground-adjustable rudder trim tab, a new molded cabin headliner, and new seats with greater legroom. New options included tinted dual overhead skylights for ...
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.
Supersonic aerodynamics is simpler than subsonic aerodynamics because the airsheets at different points along the plane often cannot affect each other. Supersonic jets and rocket vehicles require several times greater thrust to push through the extra aerodynamic drag experienced within the transonic region (around Mach 0.85–1.2).
In compressible aerodynamics, density and pressure both change, which is the basis for calculating the speed of sound. Newton was the first to develop a mathematical model for calculating the speed of sound, but it was not correct until Pierre-Simon Laplace accounted for the molecular behavior of gases and introduced the heat capacity ratio.
[1] [2] Distinguished by its aerodynamic sloped hood, the T600 was a Class 8 truck, typically sold in semitractor configuration. While aerodynamic devices (such as roof fairings) had been introduced on Class 8 trucks in the mid-1970s, the T600 was the first American semitractor designed from the ground up with aerodynamics and fuel economy in ...
For 1969 and 1970, Ford and Chrysler developed aerodynamic homologation special models that were later dubbed the Aero Warriors. [ 2 ] Changes in the United States automotive market that downsized passenger cars led to the Generation 3 cars in 1981, which featured shorter wheelbase and the cars being increasingly purpose-built.
Two variations were proposed, the 707-820(505) model and the 707-820(506) model. The 505 model would have had a fuselage 45 feet (14 m) longer than the 707-320B, for a total length of 198.6 feet (60.5 m). This model would have carried 209 passengers in mixed-class configuration and 260 passengers in all-economy configuration.