Podcast
Questions and Answers
What are the main flight conditions of concern for static trim?
What are the main flight conditions of concern for static trim?
- Takeoff and landing with flaps and landing gear down, and high transonic speeds (correct)
- Cruise and climb
- Descent and stall
- Cruise and dive
Which center of gravity (c.g.) position is critical for trim?
Which center of gravity (c.g.) position is critical for trim?
- Forward c.g. position (correct)
- Rearward c.g. position
- Mid-c.g. position
- Aft-c.g. position
What is the primary concern for an aft-c.g. position?
What is the primary concern for an aft-c.g. position?
- Control
- Performance
- Trim
- Stability (correct)
During which phase of flight is the forward c.g. position most critical?
During which phase of flight is the forward c.g. position most critical?
What is the relationship between the center of gravity and stability?
What is the relationship between the center of gravity and stability?
What occurs when there is a change in angle of attack?
What occurs when there is a change in angle of attack?
Why does the tail angle of attack not vary directly with aircraft angle of attack?
Why does the tail angle of attack not vary directly with aircraft angle of attack?
What represents neutral stability in an aircraft?
What represents neutral stability in an aircraft?
What happens to the pitching-moment derivative when the center of gravity is at the neutral point Xnp?
What happens to the pitching-moment derivative when the center of gravity is at the neutral point Xnp?
What is the result of a negative pitching-moment derivative?
What is the result of a negative pitching-moment derivative?
Why is the aft-c.g. position critical for stability?
Why is the aft-c.g. position critical for stability?
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