TSP on Instagram: "Boeing’s ultimate reverse thrust — watch the 747 turn momentum into drama. Right after touchdown the big nacelle panels fling open, cascade vanes channel all that high-bypass air forward, and the engines suddenly stop pushing you onward and start pulling you back. It’s loud, visible, and impossible to ignore — a concentrated wall of air that steals speed while the wheels bite the runway and the spoilers dump lift. This isn’t just theatre. Reverse thrust shortens stopping dista