All Questions
Tagged with flight-dynamics roll
6
questions
1
vote
1
answer
237
views
What causes the secondary effect of rudder, and which direction does it act?
I understand that rudder deflection causes several things to happen. Primarily the aircraft yaws, and for a positive (trailing edge left) rudder deflection there will be a positive side force ...
- 85
10
votes
6
answers
2k
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What is the load factor in a descending turn?
Possibly related to How does the load factor vary when the aircraft pitches up/down?
Could you help to settle a debate? I have recently flown a dead-stick approach with a CFI in the right seat. ...
- 608
3
votes
3
answers
725
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What is the difference between a spin and an uncontrolled roll in an high speed dive?
A comment I had on another (now deleted) question states that China Airlines 006 didn't spin. For me it was a spin (unwanted roll due to asymmetrical stall). The comment states it was "it was a ...
- 16.5k
1
vote
3
answers
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How Helicopters Change Attitude (Gyroscopic Precession or Thrust Vector Tilt)
I am trying to determine how helicopters pitch and roll (i.e. change attitude). I have heard two explanations.
1) Pitch/roll change is achieved by tilting the tip path plane and therefor tilting the ...
- 201
8
votes
4
answers
3k
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Does "pendulum effect" apply to hang gliders or any aircraft?
In discussion of aircraft roll stability in FAA paragraph on dihedral effect and in keel effect and in Why are high wing aircraft more stable the question of pendulum effect arises.
This is usually ...
- 20.9k
7
votes
3
answers
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What is the direction of the sideslip induced by roll on a conventional aircraft?
For the sake of this question let's assume that the considered aircraft is an A320. The question is what is the sign of the aerodynamic $C_{n_q}$ coefficient? In another word, when the aircraft starts ...
- 1,910