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#21
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wrote in message ups.com... Jim and Steve, Winglets are effective only on aircraft that cruise at or near the stall speed, where the vortex is large. This is true on most bizjets and transport type jets; while their true airspeed is very high, their indicated airspeed is nearly down to the stall. Thanks. Of course; one part I forgot. -- Jim in NC |
#23
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The tapered, swept or elliptical wings tend to start stalling at
about midspan at the TE, according to the texts I have here. Not ideal, but the planforms have advantages that outweigh stall behavior, I suppose. I wouldn't want ever to fly a wing that stalled tips first. I wonder if it's even legal to build an airplane that does that. Dan |
#24
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