This blog is for the more technical of you!
An article was published debunking current lift theory.
Here is one of our pilot's reply to it:
I'm really struggling to accept this theory that the Bernoulli effect has no role in creating lift. It is true that two adjacent particles of air at the leading edge of the wing probably will not reach the trailing edge of the wing at the same time however, the fact that as air accelerates the pressure drops is true. There are many complicating factors to airflow patterns as air moves over lifting surfaces. One such effect of air not "meeting" is the creation of vortices; the cause of wake turbulence.
There are several interacting effects including pressure distribution across the wing leading to span wise flow. The theory put forward in the video does not, in my opinion, undermine the Bernoulli Theorem. The problem has always been keeping explanations simple for most to understand. As in all things, life is not so simple.
As I have always said there are two effects at work in lifting bodies. One is the Bernoulli effect and the other is Newton's Law of action and reaction.
This is potentially complicated and we should continue to keep things simple. For a hundred years pilots and aeronautical engineers have understood how wings work. That doesn't mean I don't accept there are alternative theories out there but the fact that innovation and wing design has evolved using current theory must mean there is some truth in it.