this post was submitted on 25 Sep 2025
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'Windmill': China tests world’s first megawatt-level airship to capture high winds (interestingengineering.com)
submitted 1 day ago by kalkulat@lemmy.world to c/technology@lemmy.world
161 comments fedilink hide all child comments
 

"High-altitude winds between 1,640 and 3,281 feet (500 and 10,000 meters) above the ground are stronger and steadier than surface winds. These winds are abundant, widely available, and carbon-free.

"The physics of wind power makes this resource extremely valuable. “When wind speed doubles, the energy it carries increases eightfold, triple the speed, and you have 27 times the energy,” explained Gong Zeqi "

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[–] Kushan@lemmy.world 31 points 18 hours ago (2 children)

The article says:

The S1500 features a main airfoil and an annular wing that together form a giant duct. Inside this duct are 12 turbine-generator sets, each rated at 100 kW.

That suggests to me (admittedly a layman) that each blimp is more like 1.2MW?

[–] AceBonobo@lemmy.world 1 points 10 hours ago (1 children)

Sorry about that, I got all excited at just a tenth of what they are trying to achieve. Oops

[–] Kushan@lemmy.world 2 points 9 hours ago

It's all good mate, we've all got over excited at times.

[–] Railcar8095@lemmy.world 12 points 18 hours ago

The title itself already says it's 1MW.