AIAA SciTech 2015

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buy modafinil online europe Lance Bays presented “Improved Obstacle Clearance Capability of a Legacy Transport Aircraft Using a Modified Climb-Out Flight Profile” at AIAA’s SciTech 2015 in Kissimmee, FL on January 6, 2015. This latest paper evaluates the effect of alternative flight-path profiles on the scheduled takeoff performance of an existing, operational transport aircraft. New profiles based on an extended climb in the second segment, as commonly used in civilian operations, were evaluated. These profiles improve the gradient and obstacle-clearance capability of the airplane, which increases the range and payload capability and expands the number of accessible runways. The revised profiles take advantage of the existing capability of the airplane and require no changes to the airframe or engines. In contrast, typical improvements proposed for legacy aircraft, such as retrofitting new engines or winglets, involve technical risk, are much more expensive, require a protracted development and test cycle, and may not deliver a return on investment in the remaining life of the aircraft. The paper was a collaboration with Kevin Halpin of Elite Electronic Engineering.

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Aeroperformance Design at AIAA Aviation 2014


Lance Bays presented “Improved Safety and Capability via Direct Computation of Takeoff and Landing Performance Data” at AIAA’s Aviation 2014 in Atlanta, GA on July 15, 2014. The paper assesses traditional flight-manual methods, identifying common factors that diminish aircraft performance and safety. Direct, first-principles models are presented as an alternative to unlock full aircraft capability and always provide required safety margins. The paper was done in collaboration with Kevin Halpin of Elite Electronic Engineering.

See our presentation and read our paper.