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Gebhardt Distinguished Lecture Series

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https://hdl.handle.net/1853/70884
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    Inventing the F-35 Joint Strike Fighter
    (Georgia Institute of Technology, 2012-12-06) Bevilaqua, Paul
    During the first century of flight, the focus of aerospace education has been on the methods of predicting lift and drag, with cost and schedule as dependent variables. Consequently, our engineers are very good at predicting performance, and aviation is one of the few areas where America sill has a favorable balance of trade. But America is facing new challenges as it works to adapt to the changing economy, energy, environmental and security demands of our nation. The mechanism for addressing these challenges during the next century of flight will be to focus education on achieving technical innovation with cost and schedule as independent variables and real constraints. This presentation will describe the development of the F-35 Joint Strike Fighter, which illustrates how technical innovation and a Lean approach to aircraft design can assure continued aviation leadership in this next century of flight. The technical innovation involves designing three highly common, but identical, variants of the same aircraft, incorporating a novel turboshaft cycle for vertical takeoff and landing. The principles of Lean Manufacturing were applied to the design process in order to control cost and schedule. The Collier Trophy, which each year recognizes “the greatest achievement in aeronautics or astronautics in America” was awarded to the development team for these accomplishments.
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    Why Do We Want to Have a Space Program?
    (Georgia Institute of Technology, 2012-09-06) Griffin, Michael
    For more than fifty years, the exploration and development of space by the United States could have been characterized, without much exaggeration, as “all government, all the time”. There were exceptions, notably with regard to the commercial communications satellite industry, but they were just that – exceptions. Despite the entreaties of many who argued for a more balanced policy environment designed to encourage the development of commercial space enterprises, space development remained essentially a government preserve. Now, at least where human spaceflight – always the most visible symbol of the American space program – is concerned, we are confronted with a policy environment that is almost diametrically opposed to this decades-old paradigm, and commercial space enterprises are in vigorous pursuit of defense and intelligence community markets as well. This lecture will explore the ramifications of such policy shifts, together with the rationale for maintaining a robust national space effort, even as much new space activity shifts toward commercial development.