I’ll never forget doing a hot refuel I can tell you that. I noticed that my fuel showed more pounds than the aircraft holds, so I noted the time to calculate worst case and to write it up when I got back. However, when I got waived off and went to full thrust, after a few seconds the engines flamed out and it rapidly turned into high stress. Fortunately I still had just enough room. A filter had torn on the truck and I got a huge slug of water and crap, which is also why the gauges read wrong.
My uncle helped design those leading edges that start at the front of the canopy to the wing root. He said there were 2 groups arguing with each other over the use of either canards or expanding the wing to be more delta like. Canards provided handling but created drag and ruined its top mach speed, the delta wing provided great performance but made it overweight. He developed a mathematical model that calculated what design would provide the least amount of drag but still provide a superior level of handling with the least amount of weigh penalty. After validating it with his slide rule, the computer confirmed the model was accurate.What you see is what came out of that exercise.
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