Long March 7 Yao Jiu
The Long March 7 Yao-9 rocket was scheduled to launch the Tianzhou 8 cargo spacecraft from 23:03 to 23:20 on November 15,2024, Beijing time. Previously, the Long March 7 Jiayao 9 launch vehicle was successfully launched on the evening of August 22,2024. The Long March 7A was a medium-sized low-temperature liquid launch vehicle. It adopted a three-and-a-half-stage configuration and had a variety of features. For example, its core stage one, core stage two, core stage three were connected in series, and four boosters were tied around the core stage one at equal distances. It also had many achievements in rocket technology. For example, it had achieved six consecutive victories since the " Long March 7A " The novel " Hundred Years of Spaceship " is equally exciting. Everyone is welcome to click and read it!
Long March 2F Yao-18 launch vehicle fuel
The Long March 2F-Yao-18 launch vehicle's power system used the normal-temperature propellants nitrogen tetrode/unsymmetrical dimethylazinium. In the process of filling the propellants, the combustion agent unsymmetrical dimethylazinium was first added, and then the oxidiser nitrogen tetrode was added. The novel "Hundred Years of Spaceship" is equally exciting. Everyone is welcome to click and read it!
Comparing Long March 9 and Long March 5
There were many comparisons between the Long March 9 and the Long March 5: 1. ** In terms of transportation capacity ** - Long March 5's low-Earth orbit carrying capacity was 25 tons, the Earth synchronous orbit carrying capacity was 14 tons (Long March 5B), and the Earth-Moon transfer orbit carrying capacity was 8 tons (Long March 5B). - Long March 9's low-Earth orbit carrying capacity was 140 tons, the Earth-Moon transfer orbit carrying capacity was 50 tons, and the Earth-Fire transfer orbit carrying capacity was 44 tons. Its carrying capacity far exceeded Long March 5. 2. ** Rocket size ** - The Long March 5 had a take-off mass of 867 tons. - The Long March 9 had a take-off mass of more than 4000 tons, a total height of 100 meters, and a core diameter of 10 meters. It was much larger than the Long March 5. 3. ** Research and Development ** - The Long March 5 had already been put into use and was ranked second among the large launch vehicles in active service in various countries. - The Long March 9 was in the key technical breakthrough and program deepening demonstration stage as of 2022. It was planned to make its first flight around 2030. 4. ** In terms of design ideas ** - The Long March 5 had many problems, such as the balance of interests of various departments, high technical difficulty, long research and development cycle, high cost, and basically no recycling potential. - The Long March 9 was a combination of the high-thrust high-pressure liquid oxygen kerosene engine that Russia was good at and the high-thrust hydrogen oxygen engine that the United States was good at. However, the high-thrust high-pressure liquid oxygen kerosene engine was still in pre-development, and the hydrogen oxygen engine was difficult to develop. The novel "Hundred Years of Spaceship" is equally exciting. Everyone is welcome to click and read it!
Helpless Angel Yao Yao March 2020
In March 2020, there was an operating room nurse named Yao Yao from the Pingqiao District Women and Children Health Hospital who worked in the isolation ward of the Fifth People's Hospital, a designated hospital for Xinyang's New Crown Hospital. She faced many difficulties in her anti-epidemic work, such as the sultry heat of protective clothing, blurred goggles, inconvenient operation of double-layer gloves, risk of infection, etc. However, she still shouldered responsibilities and missions, fulfilled Nightingale's oath, carried out nursing work, cleaning and disinfection, took care of patients 'daily life and psychological care, etc. Although she had many helplessness in her work, she stuck to her post like an angel. " Oh, My Yao " was equally exciting. Everyone, please click to read it!
Long March 11
The Long March 11 had a capacity of 0.7 tons in low-Earth orbit, 0.5 tons in 500-kilometer sun-synchronous orbit, and 0.4 tons in 700-kilometer sun-synchronous orbit. The novel " Hundred Years of Spaceship " is equally exciting. Everyone is welcome to click and read it!
Long March 9 2021
On June 24,2021, Academician Long Lehao, an aerospace expert, announced the latest version of Long March 9 at a speech in Hong Kong. The Long March 9 "2021 version"(referred to as the "21 version") was larger than the "11 version" core class, with greater thrust and carrying capacity. It could meet the needs of large-scale manned flights in the future. The biggest difference between the "21 version" and the "11 version" was the removal of the thrusters. This change was to reduce its weight while increasing its carrying capacity. "Version 21" Long March 9 replaced the four YF - 130 engines with a single thrust of 480 tons with 16 YF - 135 liquid oxygen kerosene engines with a single thrust of 350 tons. This not only made the thrust nearly 6000 tons, but also reduced the weight of the thrusters by 15 tons. The design height of the "21 edition" Long March 9 was 108 meters, the diameter of the first and second cores increased from 9.5 meters to 10.6 meters, and the diameter of the fairing increased to 9.5 meters. Its main engine was 16 YF - 135 high-pressure liquid oxygen kerosene engines that were being planned. The thrust of a single chamber was 360 tons, 120 tons higher than that of the YF - 130. Although the "21 version" and "11 version" had a take-off thrust of about 5800 tons, the "21 version" had a greater thrust in the second and third stages. The second stage used four 120-ton 120tHo hydrogen oxygen engines, which increased the thrust by 40 tons. The third stage used a 120-ton 120tHo hydrogen oxygen engine, which increased the thrust by 20 tons. The 21st version of Long March 9 saved the dry weight of four 15-ton boosters, increasing the carrying capacity to 150 tons. The novel "Hundred Years of Spaceship" is equally exciting. Everyone is welcome to click and read it!
Long March 30,000 Miles
" 30,000 Miles in Chang 'an " was a national style animated film produced by Chasing Light Animation. Warren Xie and Zou Jing were the directors. The movie was set in the prosperous Tang Dynasty and told the story of Chang 'an falling into chaos after the An Lushan Rebellion. The main characters included Li Bai and Gao Shi. Their stories showed the beauty and glory of the Tang Dynasty. The poems in the movie were a precious heritage of ancient culture. They were presented through animation and resonated with the audience. In addition, the music in the movie ingeniously incorporated the elements of classical poetry, making the audience feel as if they had traveled through time and space and felt the voices of the ancients. By telling the story of Gao Shi and Li Bai," 30,000 Li in Chang 'an " showed the persistence and hardship of the Tang Dynasty poets in the process of pursuing their ideals and dreams. After the movie was released, it achieved good box office results and became the answer sheet for the tenth anniversary of Chasing Light Animation.
Reborn on the Long March
There were a few novels about being reborn on the Red Army's Long March that were worth recommending. Among them," Long March: 1934-1936 " was a detailed description of the classic battles that the China Red Army experienced on the Long March. In addition, the Red Army is not afraid of the difficulties of the expedition, Ballad of the Long March, Morning Sun Flower, and Red Streamer of the Earth were also novels about the Long March. In addition, Dreaming of Sword was also a possible choice. It told the story of the protagonist traveling back to 1927 in his dream, looking for Li Yunlong, and joining the Red Army with the commander. I hope these recommendations will meet your needs.
Long March 9 Leo
The Long March 9 had a carrying capacity of 140 tons. The Long March 9 was a new generation of heavy-duty launch vehicle that China was demonstrating. Its development was aimed at meeting the needs of future deep space exploration missions such as manned moon landings, fire landings, and space infrastructure construction. The novel " Hundred Years of Spaceship " is equally exciting. Everyone is welcome to click and read it!
Long March 9 and SLS
The Long March 9 was China's next-generation heavy-duty launch vehicle, and the research and development plan began in 2016. The SLS was the next-generation heavy-duty launch vehicle developed by NASA, and the development began in 2010. ** 1. Transport capacity ** 1. ** Long March 9 ** - It was estimated to have a low-Earth orbit carrying capacity of more than 100 tons, a synchronous transfer orbit carrying capacity of more than 50 tons, and the ability to send more than 20 tons of load to the surface of the moon. 2. **SLS** - The first version had a capacity of 95 tons in low-Earth orbit and 27 tons in Earth-Moon transfer orbit; the second version had a capacity of 105 tons in low-Earth orbit and 42 tons in Earth-Moon transfer orbit; and the final version had a capacity of 130 tons in low-Earth orbit and 46 tons in Earth-Moon transfer orbit. The overall capacity level was lower than that of Long March 9. ** 2. Design Concept ** 1. ** Long March 9 ** - The burden of history was small, the pressure of the mission was not great, the choice of design plan was more relaxed and free, and the application of new ideas was more important. Using a multi-engine parallel recycling plan, such as the plan to use 24 engines in parallel, according to the calculation of 20 - 30% power redundant, a certain number of engines could be allowed to fail at the same time, which could effectively increase the number of engine uses and ensure that the launch mission would not fail due to engine failure. At the same time, the high-efficiency and reliable liquid oxygen kerosene engine and liquid oxygen liquid hydrogen engine were adopted. It also adopted a module design, which could be flexibly deployed according to different deep space exploration missions (such as manned moon landing, Mars exploration, etc.). Advanced technologies such as 3D printing technology, high-strength composite materials, and precision manufacturing technology were widely used to improve manufacturing accuracy, quality, and shorten manufacturing cycle. 2. **SLS** - They paid more attention to saving design and production costs and tried to use ready-made technology and components. Using the engines (such as 16 200-ton liquid-hydrogen liquid-oxygen engines) and solid thrusters to shorten the R & D and production cycle. The engine used the repeatedly proven and improved RS - 25 liquid-oxygen liquid-hydrogen engine, which was highly reliable. It also used solid-state thruster technology to improve the thrust and stability of the take-off phase. It was designed to be adaptable to different deep space exploration missions, and it had a strong support system that allowed it to obtain rich resources and technical support during research and development, testing, and mission execution. ** 3. Development and launch ** 1. ** Long March 9 ** - It was estimated that the first flight would be completed around 2030. The latest design would be established at the end of 2024 and the first flight would be in 2032 (no thrusters, diameter 10.6 meters, height 110 meters). 2. **SLS** - The first flight was originally scheduled for 2021, but due to technical challenges and other factors, it was postponed to 2022. The first flight had already been completed. The novel "Hundred Years of Spaceship" is equally exciting. Everyone is welcome to click and read it!
Long March 9 Plan
The Long March 9 rocket had a core diameter of 10 meters, a total height of 100 meters, and a take-off mass of more than 4000 tons. The first stage of the core was equipped with four 500-ton thrust high-pressure afterburning liquid oxygen kerosene engines, the second stage of the core was equipped with two 220-ton thrust high-pressure afterburning hydrogen oxygen engines, the third stage of the core was equipped with four 25-ton thrust expansion cycle hydrogen oxygen engines, and each propeller was equipped with two liquid oxygen kerosene engines. The latest design did not require boosters. It had a diameter of 10.6 meters and a height of 110 meters. There was also a design that used 30 200-ton thrust liquid-oxygen methane engines in parallel (a total of 33 engines in parallel). It had a carrying capacity of 140 tons in LEO (low-Earth orbit), 50 tons in LTO (Earth-Moon transfer orbit), and 44 tons in TMT (Earth-fire transfer orbit). It was designed to meet the needs of future deep space exploration, manned moon landing and fire landing, and space infrastructure construction (such as space solar power plants). The novel "Hundred Years of Spaceship" is equally exciting. Everyone is welcome to click and read it!