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In the early 1960s, Boyd, together with Thomas Christie, a civilian mathematician, created the energy–maneuverability theory, or E-M theory, of aerial combat. A legendary maverick by reputation, [ 9 ] Boyd was said to have stolen the computer time to do the millions of calculations necessary to prove the theory.
Energy–maneuverability theory is a model of aircraft performance. It was developed by Col. John Boyd, a fighter pilot, and Thomas P. Christie, a mathematician with the United States Air Force, [1] and is useful in describing an aircraft's performance as the total of kinetic and potential energies or aircraft specific energy.
Boyd was a US Air Force colonel who had developed the energy–maneuverability theory of air combat. This was based on formulas that revealed a fighter aircraft's ability to maneuver, allowing direct comparison between different designs using simple metrics.
It was spurred by then-Major John Boyd's 'energy-maneuverability' (E-M) theory, which indicated that excessive weight would have severely debilitating consequences on the maneuverability of an aircraft. Boyd's design called for a light-weight fighter with a high thrust-to-weight ratio, high maneuverability, and a gross weight of less than ...
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Christie is often associated with John Boyd and other associates of Boyd who were critical of U.S. defense policies. While working with Boyd at Eglin AFB, Christie was deeply involved with the development of the Energy-Maneuverability theory of aerial combat. [3]
John Boyd says that being a part of this Tuesday night’s 3-way crossover between CBS’ three FBI shows was no less than “an out-of-body experience.” Three years ago, Boyd’s FBI character ...
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