NASA Believes Test Jet Hit 5,000-Mph Mark                 Add recognition - AP to My chawbacon! By ROBERT JABLON, Associated Press Writer LOS ANGELES - Three years after its offset see flight ended in an explosion, NASA on Saturday successfully launched an experimental jet that the agency believes reached a record-setting velocity of about 5,000 mph. The unpiloted X-43A do an 11-second powered flight, then went by dint of some twists and turns during a six-minute seashore before plunging into the Pacific sea about 400 miles strike the California coast. It was fun in all the way to Mach 7, give tongue to Joel Sitz, pick up motorbus at NASAs Dryden Flight Research Center. Flight engineer Lawrence Huebner evince preliminary data indicated the needle-nosed jet reached a maximum accelerate of slightly over seven times the speed of sound, or about 5,000 mph, after a rocket boosted it to about 3,500 mph. Huebner tell it was the source time an air-breathing jet had ever traveled so fast. The rocket-powered X-15 reached Mach 6.7 in 1967. Its a great way to end, for trustworthy all the sweeter because of the challenges weve had to step up to and overcome through the forwardness of this project, said Griffin Corpening, Drydens chief engineer on the project.
The first X-43A flight ended in failure June 2, 2001, after the qualify Pegasus rocket used to accelerate the plane veered off make up and was detonated. An investigation board found preflight analyses failed to predict how the rocket would perform, freeing its control system unable to main tain stable flight. NASA compose the X-43A! under a $250 million program to develop and hardship an exotic type of engine called a supersonic-combustion ramjet, or scramjet. In theory, the air-breathing engine could propel an airplane to speeds of Mach 7 or faster, change around-the-world flights that would take... If you want to get a full essay, rewrite it on our website:
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