Materials

US House of Representatives, Committee on Science and Technology, Subcommittee on Transportation, Aviation and Materials U SBiblio.com

The First "A" in NASA; Hearing before the Subcommittee on Transportation Aviation and Materials of the Committee on Science and Technology U.S. House of Representatives Ninety-seventh Congress First Congress December 8 1981 No. 61

1982ref. 91244Washington DC: U.S. Government Printing Office 1982. Presumed First Edition First Printing. Wraps. Very good. iv 191 1 pages. Among the witnesses include: Neil Armstrong Ronald Mottl Mary Rose Oakar Donald J. Pease J. R. Steiner F. A. Cleveland Rodger Schaufele Maurice Shank Thomas Donohus and Guyford Stever. Includes a statement of Congressman Bob Shamansky. NASA's origins trace back to 1915 with the National Advisory Committee for Aeronautics which soon established its people and facilities as the world's leading home for aeronautics research. Today every U.S. commercial aircraft and air traffic control facility incorporates NASA-developed technology. That heritage continues at NASA where the first "A" stands for Aeronautics and the efforts to explore the frontiers of flight and transform aviation for the 21st century are managed by the agency's Aeronautics Research Mission Directorate ARMD. At NASA Aeronautics is the study of the science of flight. Aeronautics is the method of designing an airplane or other flying machine. There are four basic areas that aeronautical engineers must understand in order to be able to design planes. To design a plane engineers must understand all of these elements. Design Process: 1 Aerodynamics. is the study of how air flows around the airplane. By studying the way air flows around the plane the engineers can define the shape of the plane. The wings the tail and the main body or fuselage of the plane all affect the way the air will move around the plane. 2. Propulsion. is the study of how to design an engine that will provide the thrust that is needed for a plane to take off and fly through the air. The engine provides the power for the airplane. The study of propulsion is what leads the the engineers determine the right kind of engine and the right amount of power that a plane will need. 3. Materials and Structures. is the study of what materials are to be used on the plane and in the engine and how those materials make the plane strong enough to fly effectively. The choice of materials that are used to make the fuselage wings tail and engine will affect the strength and stability of the plane. Many airplane materials are now made out of composites materials that are stronger than most metals and are lightweight. 4. Stability and Control. is the study of how to control the speed direction altitude and other conditions that affect how a plane flies. The engineers design the controls that are needed in order to fly and instruments are provided for the pilot in the cockpit of the plane. The pilot uses these instruments to control the stability of the plane during flight. U.S. Government Printing Office paperback

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