iv WWW.GOFLY.ONLINE Y ONLI NE FLI GHT SCHOOL CONTENTS BASIC AERONAUTICAL KNOWLEDGE Chapter 1 PRINCIPLES OF FLIGHT................................................................................................ 1 Aerodynamics Terminology .........................................................................................................................1 Aerofoil......................................................................................................................................................................... 1 Span. ........................................................................................................................................................................... 1 Chord........................................................................................................................................................................... 1 Camber........................................................................................................................................................................ 1 Thickness..................................................................................................................................................................... 1 Relative airflow. ........................................................................................................................................................... 1 Angle of attack............................................................................................................................................................. 1 Total reaction force. ..................................................................................................................................................... 1 Lift................................................................................................................................................................................ 1 Drag............................................................................................................................................................................. 1 Design Features/Controls..............................................................................................................................1 Dihedral. ...................................................................................................................................................................... 1 Air density.................................................................................................................................................................... 3 Angle of incidence. ...................................................................................................................................................... 3 Velocity. ....................................................................................................................................................................... 3 Factors Affecting Drag...................................................................................................................................5 Shape. ......................................................................................................................................................................... 5 Airspeed....................................................................................................................................................................... 5 Flap Settings................................................................................................................................................................ 5 Maximum angle of attack for lift generation................................................................................................................. 9 Stability and Control......................................................................................................................................9 Longitudinal stability. ................................................................................................................................................... 9 Changes in centre of gravity position........................................................................................................................... 9 Changes in the centre of pressure..............................................................................................................................11 Changes in thrust........................................................................................................................................................11 Tail down force............................................................................................................................................................11 Lateral Stability............................................................................................................................................. 11 High wing versus low wing..........................................................................................................................................11 Dihedral versus anhedral............................................................................................................................................11 Sweepback.................................................................................................................................................................11 Directional Stability.....................................................................................................................................................11 Changes in centre of gravity.......................................................................................................................................11 Static and Dynamic Stability.......................................................................................................................13 Fixed trim tabs........................................................................................................................................................... 13 Cockpit trim controls.................................................................................................................................................. 13
RkJQdWJsaXNoZXIy MTMwODg4Mw==