ACTIVE AEROELASTIC WING TECHNOLOGY RESEARCH PROGRAM SOL 96-01-FIK. Ed Pendleton, Project Engineer, WL/FIBGE, 513-255-7384 or WL/FIK, 513-255-5901, R&D Contracting Directorate, WPAFB, OH 45433-7607. INTRODUCTION: The Air Force intends to publish PRDA 96-01 FIK entitled Active Aeroelastic Wing Technology Research Program on or about November 30, 1996. The purpose of this notice is to solicit comments on the draft PRDA which is available upon request from the technical point of contact listed below. The following is a brief description of the Active Aeroelastic Wing Technology Research Program. Active Aeroelastic Wing (AAW) Technology is a multidisciplinary, synergistic technology that integrates air vehicle aerodynamics, controls and structures together to maximize air vehicle performance by taking advantage of higher aspect ratio, thinner flexible wings that are aeroelastically deformed into shapes for optimum performance. AAW technology uses wing aeroelastic flexibility for a net benefit. Wing control surfaces are used as tabs that promote wing twist instead of trying to negate it. The power of the air stream is employed to twist the wing with very little control surface motion. The wing creates the control forces in AAW technology. Using AAW technology, large control power may be generated across the aircraft envelope that can be used for multiple purposes such as twisting and cambering the wing into a shape for minimum drag at multiple flight conditions to minimize structural loads and to provide control power for rolling or pitching the air vehicle. To date, Active Aeroelastic Wing Technology has been demonstrated through analysis and wind tunnel modeling. A full scale flight demonstration utilizing a current light-weight high performance jet fighter is required to simulate the applicable Reynolds Numbers and high g acceleration maneuvering effects. Successful completion of the flight test is required to mature the basic technology and provide aircraft designers with the confidence to use the technology in future designs. The primary goal of this program is to conduct a flight test experiment that validates the full scale flight characteristics and benefits of Active Aeroelastic Wing Technology. The program will be accomplished by incorporating AAW technology on full scale fighter aircraft testbed and flight testing the aircraft within its existing envelope. Development of Active Aeroelastic Wing Technology requires the integration of structures, flight controls, and aerodynamic technologies to obtain significant synergistic improvements. A copy of the draft synopsis must be requested from the technical point of contact no later than July 15, 1995. Comments on the draft PRDA are due to the technical point of contact no later than August 31, 1995. If you have any questions on this draft PRDA announcement, please contact Mr. Ed Pendleton, (513) 255-7384. Requests for a copy of the draft PRDA Synopsis must be addressed to: Wright Laboratory, Attn: WL/FIBGE Ed Pendleton, REF: Draft PRDA #96-01 FIK, WL/FIBGE, Bldg 45, 2130 8th Street Suite 1, Wright-Patterson AFB, Ohio 45433-7542.

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