China sets new airborne wind turbine record at 4,000m — this 747-sized helium blimp generates megawatt power from high-altitude winds
- China has tested an airborne blimp called the S4000
- It generates electricity from wind power at an altitude of 4,000 meters
- The airship can move to wherever it is needed most
If you thought the age of blimps was over, think again. China has just launched a successful test of a helium-filled airship that is used to generate electricity from the sky, and it could mean a return to the air of the skyfaring vehicles that went out of fashion almost 100 years ago.
According to Chinese state broadcaster CCTV (via South China Morning Post), the apparent world-first feat involved the airship ascending to 4,000 meters, generating power and returning to the ground. Measuring roughly the length of a Boeing 747 airplane, the craft is reportedly not far from being deployed on a wider scale.
The goal of the vehicle — named the S4000 after the height it climbs to — is to harness the strong winds that can be found high above the earth, which it does using turbines strapped to each side of its body. The winds at altitude are stronger and steadier than those closer to ground level, and any electricity generated is sent back to base using a long tether.
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Returning to the skies
By operating in the sky, the S4000 has a few advantages over traditional static wind turbines. For one thing, it can move to windier areas as required, allowing it to adapt to changing conditions or transfer to where it is needed most. For another, it means less real estate is taken up on the ground, freeing up space for other uses and potentially reducing the complaints that are often directed at wind farms.
The S4000 was developed by Chinese firm Sawes Energy Technology alongside Tsinghua University and the Aerospace Information Research Institute of the Chinese Academy of Sciences. Previous models included the S1500 and the S2000, which drew a combined total of 500 million yuan (US$74.3 million) in orders, according to the SCMP.
The S4000 is far from the only recent effort to harness wind power. As we reported earlier this week, the Ventyra R1 portable wind turbine can be folded up into a backpack yet provides 50W of power output, taking around 35 minutes to fully charge a connected smartphone.
Combined with the S4000 — and the many other developments in the wind power industry — it’s clear that a lot is being done in the world of renewable energy. So don’t be surprised to one day see blimps make a return to the skies, this time in the service of generating electricity.
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China has tested an airborne blimp called the S4000 It generates electricity from wind power at an altitude of 4,000 meters The airship can move to wherever it is needed most If you thought the age of blimps was over, think again. China has just launched a successful test of…
