Why the F-117 Stealth Jet Has No Curves



This jet has no curves at all, only flat panels and sharp edges. In the 1970s, Lockheed’s computer program could only predict radar echoes from flat panels, so every surface of the F-117 became one. Later, faster computers made the curved F-22 possible.

Sources are the US Air Force F-117A fact sheet, Air and Space Forces Magazine, the F-117 Stealth Fighter Association and PBS Frontline. The machines are simplified 3D models built for this channel, with no markings.

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