Why Jet Intakes Look So Weird： F-22, MiG-21, and the Hidden Science of Air Inlets

Why do airliners have big round engines, while fighters like the MiG-21 or F-22 have strange spikes, bumps, or S-shaped ducts? What makes a jet engine intake 'smart,' and how does it affect stealth, speed, and survivability?

From the subsonic efficiency of airliners to the stealth-optimized intakes of the F-117 and B-2, and the shockwave-sculpting cones of the SR-71, this video breaks down the fascinating evolution of aircraft air inlets. Discover the difference between Pitot intakes, DSI 'bumps,' CARETT diamonds, and more — and find out how these designs can make or break a modern warplane.
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