Stall in turn

[Guest pelorus32]

Mike your item 2 is misleading. (very rare for you). Assuming that the dynamic loading remains the same,(g) as the weight is the same, the angle of attack will remain essentially the same until the speed varies (which it will in the situation described). Nev...

G'day Nev,

 

Missed your response. I think that we should discuss this ;-) I purposefully used the word "hypothetically" because it isn't in practical terms possible to get that set of circumstances. If it was however then the AOA would increase. Perhaps I didn't explain this well enough.

 

Regards

 

Mike

 

 

[facthunter]

Impression.

 

Mike it's back a while. The point that I wanted to clarify, was that going into a descent will not of itself have any effect on the angle of attack, based on the simplest of concepts which is that there are two ways to control lift.(In this example INCREASE it)

 

...(a) increase the speed .

 

...(b) increase the angle of attack. (up to the point where the wing ceases to behave nicely, around 16 degrees angle of attack) . The point also being, that if one parameter does not change, neither does the other have to, (unless the aircraft is subject to a change in dynamic (G) loading.

 

In a descent, some of the weight is counteracted by drag, the lift required then being less than weight, the extreme case being in a terminal velocity dive, where the wings are not required to provide any lift as the drag equals the weight. I only mention this in passing, as while the effect is there, it is not considered to be of great significance, in the normal flight regime scheme of things. Regards Nev..