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... main engine failed and it tumbled off course. This was the first mishap for the Delta rocket, praised as NASA's most dependable launch vehicle, in nine years and 43 consecutive launches. The four most used vehicles for launching satellites (the Delta, Titan 3D and Atlas Centaur rockets and the Space Shuttle ) were all put on hold ... agency for an undetermined amount of time. A short circuit was the leading suspect the Delta loss. (W Times, May 5/86; May 6/86; W Post, May 5/86; May ...

... At Force Station, Florida. The 6,000 pound payload, the heaviest ever carried by a Delta rocket, consisted of a main orbiting sensor platform and fifteen subsatellites released from the main ... , Hawaii. The experiment was declared a success despite the failure of an infrared sensor. The Delta launch, originally scheduled for February 4, was delayed five days because of an apparent valve malfunction on the Delta. Data gathered by the satellite during the 12-hour exercise would be transmitted to Earth ...

... development and maintenance, and certification of primary flight software. (NASA Release C93-s) The Delta Clipper-Experimental ( DELTA CLIPPER EXPERIMENTAL DC-X ) rocket's first flight was scheduled for August 18 at ... get thrown away on every flight. It would fire its engines to land vertically. The DELTA CLIPPER EXPERIMENTAL DC-X was developed by McDonnell Douglas with funding by the Federal Ballistic ...

... the Iridium World Communications network, aboard a Delta II rocket. The Delta II launched two weeks after the "disastrous maiden flight" of the new Delta III rocket, which had exploded during liftoff. Officials ... had not yet determined the exact chain of events. The five satellites launched aboard the Delta II rocket replaced satellites that had malfunctioned and could not be included in the Iridium ...

... 1999 launch schedule, after having placed its schedule on hold when a Delta III launch failed in early May. Delta's RL10B-2, upper-stage engine was similar to the RL10A-4 ... Centaur upper stage. The Boeing Company and Pratt & Whitney had led the investigation of the Delta III launch failure, with the support of Lockheed Martin . Meanwhile, Lockheed Martin Astronautics had formed ...

... disasters in 2011, NPP data is critical for accurate weather forecasts into the future." A Delta II rocket will carry NPP into an orbit 512 miles above Earth's surface. Roughly ... .m. EDT. The launch recently was delayed two days due to the repair of the Delta II's hydraulic system. The NPP spacecraft is scheduled to be transported to the launch pad for attachment to the Delta II on Oct. 12. NPP's Delta II launch vehicle also will carry several auxiliary payloads into orbit, which ...

... two concepts that Faget had: one was for a straight wing vehicle, the other a delta wing concept. He felt there might be some benefits to having short, stubby wings and ... you can think of using an exotic vehicle like the F-102, which was a delta wing fighter developed by General Dynamics, but was obsolete and out of production, we needed ... still had the problem of the lift. On the Shuttle, you had a low lift delta wing, but the Gulfstream was a high lift vehicle. So you had to find a ...

... satellite’s velocity. For this reason, an orbital maneuver is often called a ''delta-V '' (ΔV). The Greek letter “delta”, or ∆, is used in mathematics to indicate a “change.”So ΔV denotes ... stuck in the transfer orbit. Image:FS2018f9.7.jpg thumb right 250px Figure 9.7. Delta-V’s are applied at two different maneuver points in a Hohmann transfer. 9.2 ... ’s envisaged Vega Small Launch Vehicle, and the GEM solid rocket booster for Boeing’s Delta-type of launchers. In these designs composite materials are used for the motor case whose ...

... efficiencies in telescope use time." Geology experiment objectives were to sample Apennine Mountain front, study Hadley Rille , examine mare, sample volcanic complex to north of landing site, and study cluster of ...

... Apollo 14 : mission and summarized scientific results. On the Moon With Apollo 15 , guidebook to Hadley Rille and Apennine Mountains, had been prepared by Dr. Gene M. Simmons, MSC Chief Scientist ...

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