China has built a 9.5 m wide propellant tank, aiming to develop the Long March 9 rocket with a carrying capacity of 150,000 kg of cargo.
China Institute of Launch Vehicle Technology (CALT) Announcing the successful production of a 9.5m diameter propellant tank, making the necessary progress to produce a fuel tank that is durable but also thin and light enough to be used for rocket launches, Space reported on July 7 .

The fuel tank has a diameter of 9.5 m.
The fuel tank has a diameter of 9.5 m. (Photo: CALT)
The new fuel tank was built to the specifications of an older model Long March 9 rocket, which cannot be reused, according to China’s plans. They then moved on to a new reusable rocket design with a diameter of 10.6 meters, but materials and techniques such as friction stir welding would still work for the new plan.
China’s currently most powerful and largest missile line is Truong Chinh 5 With a diameter of 5 m, it can carry cargo weighing around 22,000 kg into low Earth orbit (LEO). The Truong Chinh 9 is expected to be launched for the first time in 2030 and can transport cargo weighing between 140,000 and 150,000 kg to LO.
This rocket will be used for construction International Lunar Research Station (ILRS) according to China’s plan. It could also help launch solar power infrastructure into outer space and deep space missions.
CALT is part of China Aerospace Science and Technology Society (CASC) – the main entrepreneur of this country in the space sector. Other divisions of CASC operate in many areas such as rocket manufacturing, spacecraft development and manufacturing, and new engine design.
CALT is also developing a new launch vehicle to carry astronauts to the Thien Cung space station and a larger version to send people to the Moon. The first launch is expected to take place in 2027.
Article source: VNE
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China is manufacturing a 9.5 m wide propellant tank, aimed at developing the Long March 9 rocket with a carrying capacity of 150,000 kg of cargo. Institute of Technology…