of the inlet 20 the variable geometry mechanism 62 comprises a plurality of forward panels 64 separated by a plurality of circumferentially spaced wedge members 63 as best seen in fig4 and pivotally mounted to the extreme upstream end of the nacelle 12 at hinge points 68 the variable geometry mechanism 62 further comprises a plurality of aft panels 66 also separated by wedge members 63 and pivotally mounted at their downstream end to the interior face of the nacelle 12 at hinge points 61 each forward panel 64 includes a downstream extending arm 67 having a pin 69 secured thereto the pin 69 slidingly and rotatably engages a track 65 formed integral with the upstream end of a respective radially aligned aft panel 66 in order to actuate the variable position inlet a plurality of actuating links 72 are provided each having one end pivotally mounted to a corresponding one of a plurality of brackets 73 formed integral with respective aft panels 66 the opposite ends of the links 72 are pivotally mounted at a plurality of hinge points 74 to arms 75 of bell crank levers 76 the other arms 77 of bell crank levers 76 are pivotally mounted to the actuating arms 78 of.