Quote:
Originally Posted by Yoshoobaroo
What is it really? It's not just a spoiler cause the winglets have air going underneath them. It's not a wing by that definition. Is it just a boundary layer control device that doesn't fall in any specific category? Maybe we should call it a Wang.
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It is a spoiler. It doesn't have a cambered wing profile. It doesn't matter if there is air going beneath it. All it's doing is spoiling the air to help flow stay attached.