01 - Aircraft Design and Integrated SystemsSUBSONIC ULTRA-GREEN AIRCRAFT RESEARCH: TRANSONIC TRUSS-BRACED WING TECHNICAL MATURATIONC.K. Droneyı, N.A. Harrisonı, G.M. Gatlin, NASA Langley Research Center, United States; ıThe Boeing Company, United States Boeing participation in the development of a Transonic Truss-Braced Wing (TTBW) began in 2009 and was studied under the Subsonic Ultra-Green Aircraft Research (SUGAR) program. TTBW development continues thru the current Phase IV NASA contract and has focused on development high speed (Mach 0.75 and Mach 0.8) and low speed lines. |