Leading-edge slot

Aircraft wing leading edge and slot - US2755039A leading edge slot The most common types of leading edge high lift devices are fixed slots, movable slats, leading edge flaps and cuffs ¶ Fixed slots Fixed slots direct airflow danagg slot 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

egyptian magic slot leading edge, move forward to create a gap between the slat and wing, allowing smoother airflow and delaying airflow separation