The last time hydrogen-laden flying vessels zipped around the heavens didn’t end all that well, but that isn’t stopping Heven Drones from fueling up its H2D55 drone. The company claims the octacopter can fly for over an hour and a half, with a payload of 7 kg (15 lbs).
The drones are built to spec, and take two-three months to complete. The company is a little cagey about the exact pricing, but on the sly a source within the company suggests that you could probably buy a couple of Toyota Corollas for the price of one of its drones. Then again, Corollas don’t fly, and why the
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