Drone mission time record thanks to LH2

In April South Korea based MetaVista raised the world record for the flight time of a electric friven drone by a factor of almost 6, to more than 12 hours!

This was possible only with 390 g liquid stored hydrogen (5.5 liters) and an Intelligent Energy fuel cell. For a nice video with some liquid hydrogen poured out from the cryostat see

Image of MetaVista

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