Yesterday, China’s transport rockets achieved “one arrow and five stars”.

China's new launch vehicle has recently made a series of efforts. Just one week after the first flight of the Long March V rocket on the 3rd, another member of the Chinese new generation carrier rocket family, Long March 11 was also successfully launched at the Jiuquan Satellite Launch Center at 7:42 on the 10th. The success will include pulsars. Five satellites, including the test satellite, were put into orbit to refresh the launching record of China’s solid carrier rockets.

Aerospace Science and Technology booth at Zhuhai Air Show, this year's "Net Red" products, from Long March 5 to Long March 7, to the rapid launch of Long March 11

According to reports, this is the 239th flight of the Long March series of launch vehicles. The Long March 11 rocket launched on the 10th is the only solid-fuel rocket in China's new generation of launch vehicles. It has rapid response and rapid launch capability, and has received much attention from the outside world. Traditional liquid fuel launch vehicles require a long filling process before launch, and the entire process from test to launch takes 20-50 days. While solid rockets are not as capable as liquid launch vehicles, the biggest advantage is that after the launch command, the test can be completed in one day.

The Long March 11 rocket is the first solid-type launch vehicle in China with multiple launch modes. It requires low requirements for the launch site and can achieve multiple continuous high-density launches. According to reports, this rocket launch only takes 24 hours to prepare, which is 1/3 of the same type of rocket in the United States. In the launch mission on the 10th, the Long March 11 first realized the total storage of the full rocket of the launch vehicle, the rapid docking of the star and arrow, and the efficient and rapid launch. The launch site has the ability to complete the launch within hours of the weather, which can effectively cope with natural disasters and sudden The emergency launch demand for incidents, etc., was awarded the title of “Fast and Sharp Arrow”.

It is worth noting that this "one arrow and five stars" also includes the pulsar test satellite that has caused widespread concern. The test satellite is mainly responsible for accumulating the measured pulsar data in orbit, laying a technical foundation for pulsar detection and technical system verification. If the test is successful, the future pulsar navigation technology will provide high-precision autonomous navigation information services for near-Earth orbit, deep space exploration and interplanetary spacecraft, with high-precision position, speed, time and attitude. With precision control.

The mission of the Long March 11 rocket has successively created multiple records. It greatly simplifies the operation process of the launch site and further shortens the performance cycle of launch missions of Chinese launch vehicles. According to reports, this launch shortened the implementation cycle of China's launch vehicle small satellite launch mission to 180 days, shortened the implementation period of micro-nano satellite launch missions to 90 days, and shortened the effective working days of the launch site to one place.

At the same time, as an economic rocket aimed at commercial aerospace, Long March 11 also explored the commercial launch mode of China's private satellite companies for the first time. The launch also successfully launched two commercial microsatellites, Lishui No. 1 and Xiaoxiang No. 1, into orbit. According to experts, as the technical threshold for satellite development continues to decrease, the state encourages private enterprises to participate in the space economy. More and more enterprises are involved in the production of commercial microsatellites. Communication and remote sensing services are the most important application directions. For example, the Lishui No. 1 commercial remote sensing satellite constellation of Zhejiang Liwei Electronic Technology Co., Ltd. consists of 80-120 satellites. The huge number of launches indicates that the demand for commercial aviation in China will be higher and higher in the future.

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