So, I decided to take a look at the diffuser "
reference" Julian Edgar posted here.
In the the very first part of the explanation of lift (downforce) it says:
Quote:
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The air passing under the wing has further to travel than the air passing over the top surface. This causes the air under the wing to accelerate, resulting in a drop in air pressure, this creates a difference in pressure between the upper and lower surfaces.
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To which I need only let JulianEdgar himself come to the apparently obvious conclusions:
Quote:
I guess this is why so much misinformation has been disseminated here.
To state the bleeding obvious - it is wrong information that you are spreading. Outright wrong. No nuance here - wrong.
How they say a diffuser *wing* works is simply quite wrong. So what do you do about it?
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Am I doing this right?
Here is an
excellent video starting at the explanation why "The air passing under the wing has further to travel" is not a correct explanation of lift which, in this explanation, is just the inverse of downforce.
If you want to see a really in depth and fascinating debunking of common aerodynamic myths,
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"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
