| 21. | Washout may also be used to modify the spanwise lift distribution to reduce lift-induced drag.
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| 22. | The drag on an airplane caused by the need to stay afloat is lift-induced drag.
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| 23. | The drag coefficient of a lifting airfoil or hydrofoil also includes the effects of lift-induced drag.
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| 24. | Another method of reducing induced drag is the use of winglets, as seen on most modern airliners.
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| 25. | The lateral wings of a winged keel are usually of moderate aspect ratio and reducing lift-induced drag.
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| 26. | This produces a lift distribution close to that of the ideal elliptical wing, with its minimum induced drag.
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| 27. | The winglets improve fuel efficiency by five percent and increase range by through the reduction of lift-induced drag.
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| 28. | Flying slower than this airspeed reduces range by producing excess induced drag, while flying faster produces excess parasite drag.
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| 29. | The optimal wingspan for this weight is about, but airport restrictions limited it to less than, lowering induced drag.
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| 30. | Overall, the Poite 3 was an aerodynamically clean aircraft, with a high aspect ratio wing to minimise induced drag.
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