11.3 D Flight Control Surfaces Flashcards
(19 cards)
Where are ailerons typically attached on an aircraft?
A. To the horizontal stabiliser rear spars.
B. To the wing rear spars.
C. To the vertical stabiliser rear spars.
B. To the wing rear spars.
Where are elevators attached on an aircraft?
A. To the horizontal stabiliser rear spars.
B. To the wing rear spars.
C. To the vertical stabiliser rear spars.
A. To the horizontal stabiliser rear spars.
Where are rudders attached on an aircraft?
A. To the vertical stabiliser (fin) rear spars.
B. To the wing rear spars.
C. To the horizontal stabiliser rear spars.
A. To the vertical stabiliser (fin) rear spars.
Where are spoilers typically attached on an aircraft?
A. To the wing rear spars.
B. To the horizontal stabiliser rear spars.
C. To the vertical stabiliser rear spars.
A. To the wing rear spars.
Where are flap tracks attached on an aircraft?
A. To the wing rear spars.
B. To the fuselage.
C. To the vertical stabiliser rear spars.
A. To the wing rear spars.
Where are leading edge (LE) slat tracks attached on an aircraft?
A. To the fuselage.
B. To the wing front spars.
C. To the wing rear spars.
B. To the wing front spars.
How are control surfaces typically attached to the aircraft structure to handle aerodynamic stresses?
A. Using low-strength bolts and adhesives.
B. With multiple, high-strength bolts and bushes for secure attachment.
C. With just screws and rivets.
B. With multiple, high-strength bolts and bushes for secure attachment.
Where are aileron tabs attached to the aircraft?
A. Aileron leading edge.
B. Aileron rear spars.
C. Aileron control linkage.
B. Aileron rear spars.
Where are elevator tabs attached to the aircraft?
A. Elevator leading edge.
B. Elevator rear spars.
C. Elevator control surface.
B. Elevator rear spars.
Where are rudder tabs attached to the aircraft?
A. Rudder control linkage.
B. Rudder rear spars.
C. Rudder leading edge.
B. Rudder rear spars.
Where are the trailing edge flaps typically attached to the wing?
A. At the leading edge of the wing.
B. At the wing root.
C. At the trailing edge of the wing.
C. At the trailing edge of the wing.
How do flaps typically move on the trailing edge of the wing?
A. By rotating around a hinge.
B. By extending toward the rear along a track using rollers.
C. By lifting upward from the base.
B. By extending toward the rear along a track using rollers.
How are spoilers attached to the wing?
A. By bolts and bushes at the wing’s front spar.
B. By bolts and bushes at the wing’s rear spar area.
C. By rivets at the wing’s centerline.
B. By bolts and bushes at the wing’s rear spar area.
Where is the hydraulic actuator for spoilers typically mounted?
A. At the leading edge of the wing.
B. At the centre hinge area of the spoilers.
C. Near the root of the wing.
B. At the centre hinge area of the spoilers.
Why are tapered core honeycomb panels frequently used in flight control surfaces?
A. To provide a lightweight, strong structure for the flight control surfaces.
B. To provide a high level of thermal resistance.
C. To make the surfaces aerodynamic without needing a solid core.
A. To provide a lightweight, strong structure for the flight control surfaces.
What is the primary purpose of balancing a flight control surface?
A. To increase the control forces required for surface deflection.
B. To eliminate flutter and reduce the forces required to move the control surface.
C. To reduce the weight of the control surfaces.
B. To eliminate flutter and reduce the forces required to move the control surface.
What are the two common methods of balancing a flight control surface?
A. Hydraulic and electrical balancing.
B. Aerodynamic (horn) balancing and mass balancing.
C. Static and dynamic balancing.
B. Aerodynamic (horn) balancing and mass balancing.
What is the purpose of mass (static) balancing in flight control surfaces?
A. To reduce the weight of the control surface by removing material from the trailing edge.
B. To move the Center of Gravity (CG) of the control surface forward to eliminate flutter.
C. To make the control surface more aerodynamic at higher speeds.
B. To move the Center of Gravity (CG) of the control surface forward to eliminate flutter.
How is mass balancing typically performed on flight control surfaces?
A. By using a sliding weight on a jig to find the correct balance point using a spirit level.
B. By adding aerodynamic balances to the trailing edge of the control surface.
C. By adjusting the control surface’s attachment points on the aircraft.
A. By using a sliding weight on a jig to find the correct balance point using a spirit level.
