Compare/Contrast Max drag reduction 30-40% greater at Condition 1 than Condition 2 Optimal location is relatively constant at all flight conditions and longitudinal positions optimum Position -0.20<￥<0.10 -0.10<Z<0.0 Drag increases calculated with high wing overlap 190 ft: Broadly distributed cross-section, poorly-defined peak Demonstrated that only a relatively low-precision for Y-z positioning is required to stay within beneficial region More complete picture can be developed with more exhaustive study Condition 2 Condition 1 Mach 0. 86 Mach 0.56 36.000ft25,000ft o感e BELT Autonomous Formation FlightCompare / Contrast • Max drag reduction 30-40% greater at Condition 1 than Condition 2 • Optimal location is relatively constant at all flight conditions and longitudinal positions – Optimum Position • -0.20 < Y < -0.10 • -0.10 < Z < 0.0 • Drag increases calculated with high wing overlap • 190 ft: Broadly distributed cross-section, poorly-defined peak • Demonstrated that only a relatively low-precision for Y-Z positioning is required to stay within beneficial region • More complete picture can be developed with more exhaustive study Page 11 Autonomous Formation Flight Program NAS4-00041 TO-104 Condition 2 Mach 0.86 36,000 ft Condition 1 Mach 0.56 25,000 ft