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STABILITY AND CONTROL

STABILITY and CONTROL. STABILITY AND CONTROL. BY. And Johnny. Stability and control enables the flight of all aircraft. AN OUTLINE OF THE BASIC EQUATION YOU NEED TO LEARN YOU WILL NEED TO DO FURTHER RESEARCH YOURSELF!!!!. When an aircraft pitches up these rules apply;. ONLY JOKING.

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STABILITY AND CONTROL

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  1. STABILITY and CONTROL STABILITY AND CONTROL BY And Johnny

  2. Stability and control enables the flight of all aircraft

  3. AN OUTLINE OF THE BASIC EQUATION YOU NEED TO LEARN YOU WILL NEED TO DO FURTHER RESEARCH YOURSELF!!!! When an aircraft pitches up these rules apply; ONLY JOKING

  4. (lateral axis) (Normal axis) (Longitudinal axis) • The axes always act through the centre of gravity

  5. STABILITY Definition (stability): the ease of which a person is able to be stabbed

  6. STABILITY Without the stability of a well-deigned aircraft the pilot would have to make continual small adjustments when flying due to slight bumps (turbulence) in the air. To understand stability clearly we need to consider stability in each of the planes.

  7. Stability in the Pitching plane (Longitudinal Stability): Down wash on tail plain acts around the centre of gravity making the aircraft pitch up. When the aircraft returns to normal air the tail plane has normal lift and so returns to normal straight and level flight.

  8. Stability in the Rolling Plane (Lateral Stability): Dihedral wings:

  9. Stability in the Yawing plane (Directional Stability): After an air disturbance has caused an aircraft to yaw unintentionally it will then correct itself towards the oncoming air.

  10. TOO MUCH STABILITY IS A BAD THING It is tiring for the pilot to constantly overcome stabilising forces to change direction So the designer has to find a balance between too much and too little stability

  11. CONTROLS

  12. Movement and controls Ailerons control movement in the rolling plane about its longitudinal axis

  13. Ailerons Ailerons alter the amount of lift that a wing produces, enabling the aircraft to turn or roll. Aileron in neutral = normal lift Aileron lowered = increased lift Aileron raised = decreased lift

  14. Rolling: moving the control column left or right to adjust ailerons In this case the control column has been moved to the right causing the aircraft to spin in a clock-wise direction Decreased lift Increased lift

  15. Pitch: pulling or pushing the control column to pitch up and down In this case the control column has been pulled towards the pilot

  16. Flap positions Flaps -- Located on the inner part of the wing, the Flaps help the plane fly slower. This helps to increase the lifting force of the wing at slower speeds, like during takeoff and landing. These slower speeds make takeoff and landing distances shorter. The Flaps slide back and forth, and are controlled by a lever in the cockpit. Flaps are moved down from a streamlined position to increase the amount of lift produced at a particular airspeed.

  17. FLAPS AND TRIM TABS

  18. Trimming enables to pilot to fly straight and level without applying any pressure to the control column, it is done by moving a wheel in the cockpit

  19. NOW FOR THE TEST

  20. No Cheating

  21. What are the 3 planes of an aircrafts movement? • Pitching, lateral and rolling. • Pitching, rolling and yawing. • Yawing longitudinal and rolling. • Longitudinal, lateral and normal 1.b) 2.d) 3.b) • 3. Which surfaces control an aircraft in the rolling plane. • Elevators. • Ailerons. • Rudder. • Tabs. • 2. What are the three axes about which an aircraft can move? • Pitching, lateral and longitudinal. • Pitching, rolling and yawing. • Yawing, longitudinal and normal. • Longitudinal, lateral and normal.

  22. 1/3-You’re a failure 2/3 Im dissapointed 3/3 Amazing 0/3 oh dear

  23. ME YOU I have fuelled you with my vast tank of knowledge

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