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Flight-Measured Lift and Drag Characteristics of a Large, Flexible, … · 2013. 6. 27. · NASA TM...

Date post: 03-Feb-2021
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  • Cover PageReport Documentaion PageIntroductionSymbolsDescription of Airplane and Propulsion SystemFigure 1Figures 2 & 3Figures 4 & 5Figure 6Figure 7

    In-Flight Measurement SystemData Acquiaition SystemLift and Drag MeasurementsFigure 8Control Surface Deflection Measurements

    Flight Test Conditions and TechniquesFigure 9Stabilized FlightRoller Coaster ManeuversConstant Mach Number Climbs and Descents

    In-Flight Lift and Drag Measurement Technique and AccuracyDerivation of Airplane Thrust and DragFigure 10Figure 11Equations for Flight Lift and Drag CoefficientsFigure 12Precision of Lift and Drag MeasurementsFigure 13Figure 14

    Airplane ConfigurationWingtip PositionFigure 15Elevator and Canard Surface PositionFigures 16-18Aileron and Rudder PositionFigures 19 & 20Structural FlexibilityPropulsion SystemFigure 21Miscellaneous Configuration Changes

    Results and DiscussionPerformance MeasurementsFigure 22Figure 23Figure 24Figure 25Drag Polar Analysis and SummaryFigure 26Figure 27Figure 28Figure 29Figure 30Figure 31Angle of Attack SummaryFigure 32

    Concluding RemarksAppendix AFigure 33Figure 34

    Appendix BFigure 35Figure 36

    ReferencesTables 1-4


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