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Here's the simple reason why planes have winglets

Ever look out the window of a plane or watch as it pulls up to the gate? Have you ever wondered why some planes have pointy bits at the ends of the wings? What you see are "winglets," and they have essentially become standard equipment on all new airliners. Why are they there? "Winglets help reduce the drag associated with the creation of lift," Robert Gregg, Boeing's chief aerodynamicist, told Business Insider.
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Here's the simple reason planes have winglets

Business & Finance : Business Insider: Clusterstock

Ever look out the window of a plane or watch as it pulls up to the gate? Have you ever wondered why some planes have pointy bits at the ends of the wings? What you see are "winglets," and they have essentially become standard equipm...

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