NASA's New Plane Design Is a Simple, Brilliant Fuel-Saver | WHAT REALLY HAPPENED


NASA's New Plane Design Is a Simple, Brilliant Fuel-Saver

NASA's idea is pretty straightforward: place a large turbofan engine on the rear of a plane, where it will collect the slow-moving air traveling along the plane's body. This lets the wing-mounted turbofans be built smaller, which means less drag and a higher fuel efficiency.

That by itself would mean a minor improvement to fuel use, but NASA decided to go a step further. The engineers also added generators to the wing-mounted turbofans, and the electricity generated by these engines is used to power the tail-mounted one. This means that the rear turbofan that provides much of the plane's thrust doesn't require any fuel to operate.

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