China's S4000 Airborne Wind Energy System Achieves World-First Flight to 4,000m
China has made significant strides in airborne wind energy with the successful flight of the S4000 prototype, reaching an altitude of 4,000 meters. This achievement was made possible through the collaboration of Sawes Energy Technology, Tsinghua University, and the Aerospace Information Research Institute. The drone completed a comprehensive test cycle, which involved taking off, generating electricity, and safely landing at a site in northwestern China. Reported by state media on Saturday, the helium-filled aircraft, comparable in size to a Boeing 747, employs lightweight turbines and can transmit power via a tether, offering potential solutions for remote or disaster-affected areas.
Key facts
- China flew an airborne wind energy system to 4,000 meters (13,123 feet) above sea level.
- The prototype S4000 completed a full work cycle: ascent, station-keeping, power generation, and recovery.
- The test site is in northwestern China.
- The craft is roughly the length of a Boeing 747 and resembles an airship.
- It is filled with helium and carries lightweight turbines.
- Electricity is sent to the ground through a tether.
- The S4000 was developed by Beijing start-up Sawes Energy Technology, with Tsinghua University and the Aerospace Information Research Institute of the Chinese Academy of Sciences.
- CCTV described the achievement as a world first and a breakthrough for high-altitude wind power.
Entities
Institutions
- Sawes Energy Technology
- Tsinghua University
- Aerospace Information Research Institute of the Chinese Academy of Sciences
- CCTV
Locations
- China
- Beijing