How Do Leading Edge Slats Work?

Leading-edge slots, which can be either fixed or deployable, are spanwise apertures that permit air to flow through a point behind the leading edge and, like

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slot machine zeus A leading-edge slat is an aerodynamic surface running spanwise just ahead of the wing leading edge It creates a leading edge slot between the slat and wing

gonzitas quest slot Leading edge slats prevent the stall up to approximately 30 degrees incidence by picking up a lot of air from below, where the slot is large