Shulou(Shulou.com)11/24 Report--

CTOnews.com, January 13, according to China Science and Technology Aerospace News, on January 12, the evaluation meeting of the Lijian-1 carrier rocket multi-scene universal sea launch plan (referred to as "launch plan") was successfully held in Dongfang Space Port, Haiyang City, Shandong Province, and passed the review smoothly.

The review committee believes that the plan, based on the background of the Lijian-1 rocket, focuses on the adaptability of the rocket to launch at sea, the implementation conditions for the launch at sea, the low-cost launch support system, and the construction of multi-ship launch platform support equipment, and gives a multi-scene universal sea launch plan, which can be launched in the whole sea area, with strong adaptability, good versatility, reasonable and feasible. The main technical indicators meet the requirements of sea launch.

According to reports, the program takes China's largest solid carrier rocket "Lijian 1" to launch the "Oriental Vision" constellation as the background, takes the Oriental Space Port as the home port, and can cover China's Yellow Sea, South China Sea and other waters. From 35 °north latitude to the equator, from offshore to ocean, and from 0 °~ 41.5 °inclination to the SSO orbit, it has a wide range of adaptability for offshore launch missions.

Relying on the "floating platform Motion condition Monitoring system" of Shandong Maritime launch Innovation Center, the launch of carrier rocket is unbound from launch ship for the first time, and a new solution is put forward to solve the problems of universal launch platform, low-cost sea launch and rapid feasibility evaluation of launch mission. Based on the research result of "Marine Satellite launch and recovery", a major scientific and technological innovation project in Shandong Province, the short-period Sea condition Forecast system of Shanghai Jiaotong University is taken as the background. breakthroughs have been made in key technologies such as offshore launch environment assessment, launch implementation condition confirmation, launch site command and decision-making, etc.

China Science and Technology Aerospace has fully implemented the idea of "joint design of ship and arrow launched at sea" and creatively put forward an anti-capsizing device, which uses multi-stage timing linkage to ensure the real-time and synchronization of opening, and the mechanical backup mechanism improves the reliability of the system. it provides a new low-cost solution for the thermal launch of the carrier rocket at sea, especially for the thermal launch in the far sea.

In addition, by introducing the research results of "Offshore Satellite launch and recovery", a major scientific and technological innovation project in Shandong Province, the "Marine launch electromagnetic Environment Reconnaissance system" of the 709 Research Institute of China Shipbuilding Group Co., Ltd., the full spectrum monitoring of offshore launch is realized for the first time. A general marine launch communication scheme based on "microwave communication + satellite communication" is put forward creatively. Through the joint optimization of communication frequency band, bandwidth, protocol, data flow, software and sea test and launch process, the communication delay of offshore launch is reduced to less than 100ms. The scheme has the realization conditions of "Haiyang presses the ignition button and the South China Sea rocket takes off".

The plan is closely around the sea launch capability, and for the first time, it has realized the technical integration and full disclosure of the five elements of "ship-arrow-satellite-ring-control" carrier rocket launch at sea. In the process of research and development, all units cooperate efficiently and face the future, giving full play to their respective advantages and forming complementary capabilities in the maintenance of offshore design modes for launch vehicles such as "production, learning, research, and use". A four-in-one development consortium model of "university + aerospace + marine engineering + achievement incubation" for large-scale projects has been formed.

CTOnews.com learned that the "Lijian-1" is the "Zhongke No.1" (ZK-1A) carrier rocket, developed by Beijing Zhongke Aerospace Exploration Technology Co., Ltd., and is currently the largest solid rocket in China.

Lijian-1 is a four-stage solid carrier rocket, a helpless push configuration in the "Zhongke-1" series, derived from the basic "Zhongke-1". The rocket has a takeoff weight of 135t and a 700km sun synchronous orbit carrying capacity of 1330kg.

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