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A matter of scale...
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[QUOTE]Originally posted by Baloo: [QB] Ah. I'll concede that point, thought I'll point out that the training edge of the wing was unswept. By that criterion, the DC-3 was a swept-wing design. I don't think the wing sweep was driven by any aerodynamic consideration, but by the fact that they wanted the wing tapered (providing certain handling characteristics I forget now) and had to keep the trailing edge straight to avoid interference with those "butter paddle" props. My original observation was that the B-52's wings were quite flexible. Boeing realized the plane would have to be heavily overbuilt (and just plain heavy) if they were to avoid wing flex. They brainstormed and decided that, rather than try to design out any flex, they would design the wing to flex in such a way that it did not cause the problems usually associated with wing flex. An added benefit would be that the flexible wings would absorb some of the aerodynamic shock when riding through turbulent air. The original design allowed the wings to flex 32 feet (~10 meters) up and 17 feet (~5 meters) down. In flight, the wings are relatively straight, but flex up and down as the aerodynamic load changes. --Baloo [/QB][/QUOTE]
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