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No Spruce Goose: US Takes Second Shot At 'Ekranoplan' With Liberty Lifter

Simple Flying

DARPA is working to develop an ekranoplan called the Liberty Lifter with a payload capacity similar to the C-17 Globemaster. Ekranoplans (or ground-effect vehicles (GEVs)) are among the most interesting vehicles and combine a boat with a seaplane.

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Quiz: Understanding Aircraft Performance

Flight Training Central

Among the performance elements are takeoff and landing distances, rate of climb, ceiling, speed, payload, and fuel economy. What is ground effect? Ground effect is most likely to result in which problem? The result of an alteration in airflow patterns increasing induced drag about the wings of an airplane.

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Pentagon selects Aurora Flight Sciences to develop large new generation seaplane

Aerotime

The US Department of Defense, through the Defense Advanced Research Projects Agency (DARPA), selected, on May 9, 2024, Aurora Flight Sciences to continue work on the development of a new generation seaplane with the capacity to carry up to 100 tons of payload. Virginia-based Aurora Flight Science will receive $8.3

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Nothing Small About It

Plane and Pilot

Resist pulling back, instead letting it accelerate in ground effect (or should we say water effect) for a few seconds. lb/sq ft Power loading 10.32 When the nose begins to tuck that’s your cue you’re climbing onto the step, so measure off the back pressure to make sure you don’t porpoise, then flatten the pitch to accelerate.