14 Questions
What is the purpose of a taileron in a modern air-superiority fighter?
To provide additional control in roll
Why is it important to design for minimum horizontal tail size in a T-tail arrangement?
To minimize the fin stiffness requirement
What effect does stabilizer dihedral have on the flutter speed in a T-tail design?
It reduces the required fin stiffness for flutter reduction
What is the role of the jack arm in the variable incidence jackscrew connected to the horizontal stabilizer?
To adjust the angle of incidence of the horizontal stabilizer
What is the primary parameter for T-tail flutter?
The vertical fin torsional stiffness
In large transport planes, how is the angle of attack of the stabilizer adjusted?
By means of an electrically driven or manually operated ball nut and jackscrew attached to the forward side of the center section
What is the purpose of the rubber aerodynamic seal between the stabilizer sections and the aft fuselage?
To prevent moisture from entering the gaps
Which aircraft features an all-moving tailplane as shown in Fig. 10.1.3?
Lockheed Jetstar
What type of hinge joints are used for the stabilizer in large transport planes?
Self-aligning bushing type hinge joints
Which aircraft used the all-movable horizontal stabilizer (flying tail) as shown in Fig. 10.1.4?
L-1011 transport
What is the term for the load that occurs due to the stabilizer forced bending?
Rib crushing
Which term refers to the unsymmetrical spanwise load distribution on the fin?
Dynamic overyaw
What is the term for the load redistribution resulting from an actuator support?
Concentrated load redistribution
What is the term for the load caused by hail strike on the leading edge?
Instantaneous elevator
Test your knowledge on the conventional horizontal stabilizer assembly of an aircraft with this quiz. Learn about the design, attachment, and adjustment mechanisms of the stabilizer in large transport planes.
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