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Tip vortex and drag

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Old   April 9, 2003, 11:27
Default Tip vortex and drag
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Gecko
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Hello, why the winglet that can reduce the strength of the tip vortex can also reduce the drag, what is the connection between the tip vortex and drag?

Thanx, Gecko
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Old   April 10, 2003, 05:34
Default Re: Tip vortex and drag
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Anton Lyaskin
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Formation of tip vortex drains energy from the flow. This gives additional drag.
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