Stalling
Hi fellow forumers,
I am confused with the concept of stalling after reading several books. Here are the abstracts:
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"In fact an airfoil stalls at a certain angle, not at certain speed."
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(A) Am I correct to say that when we cruises above the stalling speed, the occurance of stalling will depends only on the angle of attack (no matter what airspeed we have)?
(B) Can we find an angle of attack at which the airplane will not stall below stalling speed? (If I am correct, the answer is "no". Because if such angle existed, it would exceed 15 degree, right?)
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"Q: What affects indicated stall speed?"
"Ans: Weight, load factor, and (to some extent) power. At a given flap setting an airplane will always stall at the same angle of attack. The three factors listed above are the only variables that we as pilot can change."
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(C) What is load factor? and how can it affect the indicated stalling speed?
(D) How can power affect the indicated stalling speed?
(E) After certain amount of fuel is used, the weight of the airplane is reduced. Is it ture that the stall speed will decrease because of that?
I am a self learner who have just started for a few months. As I want to build up a solid foundation before I proceed further, I will appreciate if anyone can help me to have a better understanding on these fundamental concepts.
Thanks in advance.