Theory of flight week 2

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Across
  1. 4. Controls the aircraft in pitch.
  2. 7. Controls movement about the longitudinal axis.
  3. 9. Rotation of an aircraft around the longitudinal axis.
  4. 10. brakes Aerodynamic brakes.
  5. 13. Lowering the flaps increases this.
  6. 15. moveable surfaces on the leading edge designed to increase lift at high angles of attack.
  7. 17. balance An aerodynamic balance projecting forward of a control surface.
  8. 18. Used on large aircraft to reduce stability.
Down
  1. 1. Creates lateral stability.
  2. 2. Mass balancing prevents this.
  3. 3. Hinged surfaces at the rear of the wing designed to change its camber.
  4. 5. Axis The axis through the centre of the fuselage from nose to tail.
  5. 6. Can be a brake or a flight control.
  6. 8. Controls yaw.
  7. 11. Rotation about the normal axis.
  8. 12. Rotation about the lateral axis.
  9. 14. stability The ability of an aircraft to return to smooth flight once disturbed.
  10. 16. A span wise gap in a wing to maintain boundary layer.