Principles of flight_chapter_4

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Principles of flight_chapter_4

  1. 1. Principles of Flight Chapter 4 - Stalling
  2. 2. Stalling <ul><li>When the angle of attack is too great the airflow over the wing cannot meet the airflow under the wing. </li></ul>
  3. 3. Stalling Angle <ul><li>Once the air is unable to pass over the wing smoothly lift is lost. </li></ul><ul><li>The stalling angle varies but it is usually about 15 ° </li></ul><ul><li>The wing will always stall when it reaches the stalling angle </li></ul>
  4. 4. Stalling Speed <ul><li>Data can be found in the ‘Pilot’s Notes’ Book. </li></ul><ul><li>Various Factors Effect Stalling Speed </li></ul><ul><li>LOWER STALLING SPEED IS BETTER </li></ul><ul><li>Weight – Extra Weight increases stalling speed </li></ul><ul><li>Power – Higher the power, lower the stalling speed </li></ul><ul><li>Flaps lowered reduce stalling speed </li></ul><ul><li>Ice forms on the wing increasing stalling speed </li></ul><ul><li>Damaged wings increase stalling speed </li></ul><ul><li>Manoeuvres – steeper turns higher the stalling speed. </li></ul>

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