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Old Dec 05, 2004, 10:47 AM
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Originally Posted by green66
Correct me if wrong, but intuitively it seems that the flow over a swept flying wing would tend to be pulled inboard, converging toward the middle of the aircraft, where the flows from each side will be forced to converge, causing vortices and local turbulence. Vortices represent energy wasted (drag) required to spin-up a mass of air. . . . seems there'd be a huge interference drag effect.
No, that's wrong. Sweep back pushes air to the tips, and the effect is stronger at the tips. That is why swept wings stall tip first.

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