Word: x
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Dates: during 1950-1959
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...foot pedal in the back of his car with which he himself could sound the siren). Most important, El Amin kept himself out of political mischief by spending his days tinkering with old clocks and watches and later, when his hobbies turned more modern, with an expensive X-ray machine and a do-it-yourself kit for making blood tests on his relatives...
...oxidizing (i.e., oxygen containing) agent to its synthetic rubber compounds, Thiokor turned the rubber into a highly concentrated fuel, ideal for such weapons as the Army's Nike, Hercules and Lacrosse missiles, the Air Force's Falcon air-to-air missile and the three-stage Lockheed X-17 research missile, which recently shot 600 miles above the earth. With two more stages, say Thiokol engineers, the X-17 might even reach the moon. The company's business is already headed that way. From sales of $13 million in 1955, it grew to more than $21 million...
...Reaction Motors, which has concentrated heavily on research since its founding in 1941, is just getting into mass production. Reaction made the first 350-lb. thrust engine for World War II's experimental Gorgon flying bomb, built the liquid fuel engines for Bell's X-1 series rocket planes. Currently, Reaction is at work on a rocket booster for a U.S. Air Force plane, has a contract to produce rockets with 500,000 Ibs. of thrust for supersonic Air Force test sleds. Another project: the rocket engine for North American's piloted X-15 rocket plane, which...
...When the X-13 returned from a brief horizontal joy ride, it slowed down and tilted its nose upward. Then it backed down toward earth, standing on its column of gas, and walked steadily toward the platform. A man was waiting at the top of the platform to help Pilot Girard during the critical operation of engaging the hook. He watched the X-13 approach until its hook was above the cable. Then he pressed a control that raised the supporting arms, slipping the cable under the hook. That was the end of the flight. The platform was cranked down...
Besides showing pictures of the Vertijet's performance, Ryan told a few details about its construction. During vertical hovering, when no airstream is passing over the control surfaces, the X-13 is controlled by deflecting the exhaust of the jet engine and by varying its thrust by throttle adjustments. The pilot does not have to take off vertically while sitting on the back of his neck with his feet in the air. His seat pivots enough to keep him in a reasonable sitting position. Ryan officials say that the X-13 has proved remarkably easy to fly. Pilot Girard...