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Principles of flight_chapter_3


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Stability & Control

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Principles of flight_chapter_3

  1. 1. Principles of Flight Chapter 3 – Stability and Control
  2. 2. Stability <ul><li>An Aircraft must be stable in flight in order to perform well </li></ul><ul><li>Also we must be able to control the aircrafts movement. </li></ul>
  3. 3. Yaw <ul><li>Aircraft turns left or right </li></ul>
  4. 4. Controlling - Yaw <ul><li>Using the rudder pedals the pilot moves the rudder left or right to change the aircrafts direction. </li></ul>
  5. 5. Pitch <ul><li>Aircrafts noses Up or Down </li></ul>
  6. 6. Controlling - Pitch <ul><li>Moving the stick forwards/back lifts or lowers the aircrafts nose by generating more or less lift at the tail </li></ul><ul><li>It uses Elevators to do this </li></ul>
  7. 7. Roll <ul><li>Aircraft “twists” </li></ul>
  8. 8. Controlling - Roll <ul><li>Moving the stick left/right rolls the aircraft by generating more lift on one side. </li></ul><ul><li>It does this by moving flaps known as Ailerons </li></ul>
  9. 9. Trimming <ul><li>When an aircraft pitches involuntarily it needs to be trimmed. </li></ul><ul><li>Small flaps mounted on the Elevators called “Trimming tabs” jut out from the elevators to increase the camber. </li></ul><ul><li>Aileron and Rudder trimming is the same </li></ul>
  10. 10. Flaps <ul><li>Flaps increase wing camber and/or area </li></ul>
  11. 11. Flaps <ul><li>Flaps allow aircraft to fly safely at slow speeds </li></ul><ul><li>They are mounted on the inside of the wings and can hinge down to increase lift at slow speeds </li></ul>
  12. 12. Slats <ul><li>Like flaps at the front of the wing </li></ul><ul><li>They slide out of the leading edge and are used at low speed </li></ul><ul><li>Positioned on leading edge of the wing </li></ul>