Avb 3: Aircraft Control Instructed By CCPL G. Fleming

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1 period lecture on aircraft control

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Avb 3: Aircraft Control Instructed By CCPL G. Fleming

  1. 1. AVB 3: Aircraft Control<br />Instructed by CCPL G.Fleming<br />
  2. 2. Objectives<br />Identify the following control surfaces:<br />(1). Aileron;<br />(2). Rudder;<br />(3). Elevator;<br />(4). Trim tab.<br />b. List the primary effects of the elevator, rudder and aileron flight controls on aircraft movement in flight about the longitudinal, lateral and normal (vertical) axes.<br />
  3. 3.
  4. 4. Ailerons<br />They control the lateral (ROLL) movement of the aircraft. To bank an aeroplanethe control column is moved to the left or right.<br />This moves the ailerons, which are situated at the trailing edge of the wings normally at the outer edge near the wing tips.<br />
  5. 5. To bank to the left, the left aileron goes up causing a decrease in lift on the left wing, at the same time the right side aileron goes down causing an increase in lift and the aeroplane will bank to the left.<br />This is the primary effect; the secondary effect is to cause YAW, as during a bank the nose will have a tendency to slip sideways.<br />
  6. 6. Rudder<br />The rudder controls the directional (YAW) movement and is controlled through the rudder pedals.<br />
  7. 7. This is the primary effect of rudder movement.<br />The secondary effect is to produce a roll as yawing of the nose to one side will cause the outer wing to speed up, increased lift is the result and a consequent slight rolling.<br />
  8. 8. Elevator<br />The elevators control the lateral (PITCH) of the aircraft.<br />The up and down movement of the nose is known as PITCH and can be controlled by the movement of the control column fore and aft.<br />
  9. 9. Trim tab<br />The elevator trim tab is located on the trailing edge of the elevator, and is operated by a trim wheel between the front seats. <br />It allows the aircraft to be flown with little pressure on the control column.<br />
  10. 10.
  11. 11. QUESTIONS???<br />
  12. 12. QUIZ<br />What is the primary controls of the ailerons?<br />What is the secondary controls of the rudder?<br />Where can I find the elevators?<br />Where can I find the trim tab?<br />

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