Leading edge flaps, slats, and slots

fixed slot leading edge   Dan fixed slot

Slots In contrast the McDonnell Douglas F-15 has a fixed leading edge because of the type of airfoil used for

Fixed-Wing Aircraft Numerical Investigation of Leading Edge Blowing and Optimization of the Slot Geometry for a Circulation Control Airfoil  The fixed slot is self explanatory; the leading-edge slat is mounted a fixed distance from the airfoil Its main disadvantage is that it creates excessive drag

vacation station deluxe slot Slats can be fixed on supports, Semi-fixed, (hinged and under servo slots cut into the wing facing edge and rather large not shaped 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