DARPA’s Liberty Lifter concept is a modern spin on a Soviet seaplane

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DARPA’s Liberty Lifter concept is a modern spin on a Soviet seaplane
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The aircraft would be able to transport people and cargo low over the water, and then deliver them quickly to a beach.

first covered the jet-powered ekranoplan in 1977, claiming it was designed for anti-submarine warfare and could reach a top speed of 350 mph. The craft featured eight jet engines mounted on a forward canard, high on the plane’s fuselage, which let their exhaust deflect down towards the surface of the sea. Thewrote, “gets lift from [an] air bubble caused by jet blast bouncing off water beneath its main wings.

In military use, Liberty Lifters are envisioned as delivering troops, vehicles, and cargo to coasts without the infrastructure to dock and unload goods normally. This could be to support relief missions after a disaster, or facilitate an invasion with light armored vehicles full of marines rolling through tidal flats to objectives further inland.

Before there was the Liberty Lifter, the US looked for a way to adapt ekranoplan innovation to its own needs. Even if the models built had limits, there is a lot of potential in, as Sweetman wrote, an airplane using ground effect to “fly on less power, using less fuel, than one at high altitude.

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