Better explination for what?Why do you asume that I do not have a
grasp of the basics?Are you another troll.


Explanation for why power requirement increases with altitude for the
same AOA. You said "this author comes up with the right
answer, but he uses some false asumptions.Its obvious he hasnt spent
much time in a real airplane". The latter part I find rather insulting
of the author, but I will leave it at that. At least you can explain
what the false assumptions are and what is your correct explanation
is. You can't just claim that something is wrong without providing an
explanation. That's what a troll is.