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A Level 1 AOA clarification



 
 
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  #15  
Old December 28th 04, 09:18 AM
Peter Duniho
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"Greg Esres" wrote in message
...
The relative wind doesn't ever "come from above" while the aircraft
has a positive angle of attack..by definition. ;-) Nor will the
aircraft stall with the relative wind "essentially horizontal."
Sounds like you think there is a zero angle of attack in that
situation? Cannot be true.


I am sure that George means "coming from above relative to the horizon".
Which is a fine statement to make, IMHO. I do find it odd that you were
apparently unable to make this inference, given your next paragraph:

When not pulling a g-load, an aircraft climbs because the *flight
path* is inclined relative to the horizon; the AOA depends on the
chord line angle with the *flight path*.


Yes, the flight path IS inclined relative to the horizon, and this causes
the relative wind to also become inclined relative to the horizon.

If your level flight stall speed is 53 and you're stalling at 60,
you're probably achieving an accelerated stall.


Yes, he certainly is, and he said as much.

Pete


 




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