Engine rotational direction is clockwise
{"Image DocumentName": "Engine rotational direction is clockwise", "Image ImageDescription": "VORTICAL STRUCTURES. OF FLOW at engine inlet. IS IN COUNTER CLOCKWISE. DIRECTION If you stand underneath or behind Concorde during. take off it can be clearly seen that the no4 spill door is. not as open as the other three. The reheat flame on engine 4 is also not as bright or stable. as the other three during the initial take off roll, until the aircraft. is around 60 knts when it matches the others.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}