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Old 20th Aug 2001, 18:17
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Question Krueger Flaps

Anyone know why Krueger flaps are generally only found on the inboard section of the wings and then slats on the outboard?
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Old 21st Aug 2001, 23:54
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This is a standard JAR ATPL POF question.

Krueger flaps are less aerodynamically efficient than slats, so they stall at a lower angle of attack. (Kruegers decrease stalling angle of attack, whereas slats increase it) Using Kruegers inboard and slats outboard ensures that the wing roots stall before the tips.
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