On the 2025 Hour Hong- Kong SAR – Beijing time CNSA –China National Space Administration On 22nd August 2024, the combination of the Chang Zheng- Long March 7A Yao 9 carrier rocket vertically at the Wenchang Space Launch Site, Hainan Province China, Peoples Republic of China China successfully launched the ChinaSat 4A from the Wenchang Space Launch Center using the Long March 7A Yao 9 carrier rocket. This launch is the 154th space launch in the world in 2024, the 37th in China, the 4th this month, and the 2nd by the Long March 7A carrier rocket.
ChinaSat 4AThe satellite can provide users with voice, data, and radio and television transmission services. This mission is the 532nd flight of the Long March series of carrier rockets
At 1957 29th June 2024 Beijing time CNSA –China National Space Administration, successfully launched by the Long March 7A Yao-8 carrier rocket from the Wenchang Space Launch Site in Hainan Province, China, People’s Republic of China
At 19:57 Beijing Time- Hong Kong SAR Time on June 29th , 2024, at the 201 workstation of the Wenchang Space Launch Center in Hainan, China, the Long March 7A Yao-8 carrier rocket carrying the ChinaSat 3A communications satellite was ignited and launched, sending the satellite into geosynchronous transfer orbit (GTO).
The payload of this mission, the large high-orbit communications satellite ChinaSat-3A, was developed by the Communications and Navigation Department of the 5th Academy of the China Aerospace Science and Technology Corporation and is used to provide voice, data, and radio and television transmission services…
The Long March 7A (Long March 7 Modified / Long March 7A) was developed by the First Academy of China Aerospace Science and Technology Corporation. It is a medium-sized three-stage semi-cryogenic liquid carrier rocket, mainly used to carry out medium and high earth orbit launch missions. The maximum height of the rocket is 60.7 meters (with a 3.7-meter diameter fairing), the booster diameter is 2.25 meters, the core first and second stages have a diameter of 3.35 meters, the core third stage has a diameter of 3 meters, the takeoff mass is about 573 tons, the takeoff thrust is 727 tons, and its geosynchronous transfer orbit (GTO) capacity is not less than 7 tons. Since the Long March 7A Yao II (the second launch), the rocket has achieved 6 consecutive victories.
This rocket uses a newly developed satellite bracket to further increase the available longitudinal envelope space of the fairing and improve the mission adaptability of the rocket; optimize the design to improve the accuracy and anti-interference capability of the inertial group; implement reliability growth measures to improve the flight reliability of the rocket; and further streamline the launch site process. This rocket uses a 4.2-meter diameter fairing and the entire rocket is 60.13 meters high.
This launch is the first launch of the Long March 7A carrier rocket in 2024, the fifth launch at the Wenchang Launch Center, the 30th launch in China and the 124th launch in the world. At the same time, this launch is the seventh launch of the new generation of Long March series carrier rockets this year and the 15th launch of the Long March 7 series carrier rockets.
On the 3rd November 2023 22:54 Hour Hong- Kong SAR – Beijing time CNSA –China National Space Administration 文昌航天發射場Wenchang Spacecraft Launch Center, Hainan Province, People’s Republic of China Successfully Launch the Medium Heavy advance Chang Zheng –Long March 7A Yao 6 Carrier Rocket….
This marks the 51st launch this year a complete success At 22:54 Hong Kong SAR- Beijing time on November 3, 2023, my country, China, People’s Republic of China. Used the Chang Zheng – Long March 7A modified Yao-6 launch vehicle at Station 201 of the Wenchang Space Launch Site to successfully transmit the communications
The technology test satellite No. 10 was launched into space. The satellite successfully entered the predetermined orbit and the launch mission was a complete success. This satellite is mainly used to carry out multi-band, high-speed satellite communication technology verification. This mission is the 495th flight of the Long March series of launch vehicles
On the morning of November 1, 2023, the “Long March 7A” Yao-6 carrier rocket has been transferred from the vertical assembly and test plant of the Hainan Wenchang launch site to the 201 launch station, and the launch mission has entered the final stage. It is expected that around 23:00 on November 3, the Chang Zheng- Long March 7A carrier rocket will be launched from station 201 to perform the rocket’s sixth launch mission.
The Chang Zheng- Long March 7A carrier rocket was developed by the First Academy of China Aerospace Science and Technology Corporation, and the communication technology test satellite No. 10 was developed by the Eighth Academy of China Aerospace Science and Technology Corporation.
A Chang Zheng- Long March 7A carrier rocket medium-sized three-stage semi-cryogenic liquid launch vehicle….. It is my country’s China, People’s Republic of China new generation of high-orbit launch vehicle and is mainly used to carry out launch missions from the earth’s medium and high orbits. The maximum length of the rocket is 60.7 meters, the maximum diameter of the core stage is 3.35 meters, the take-off mass is about 573 tons, the take-off thrust is 727 tons, and its 200×5000 kilometers zero-inclination Mid-Earth Transfer Orbit (MTO) capacity is not less than 5.5 tons, and the geosynchronous transfer The rail (GTO) transport capacity is not less than 7 tons. The Chang Zheng- Long March 7A carrier rocket is equipped with a fairing with a diameter of 4.2 meters and is used for single-main-star launches. The height of the rocket in this state is 60.13 meters.
The 495th launch of the Long March rocket, the Chang 7A rocket launched the communication technology test satellite No. 10!
On the after of Mid-Autumn festival Tuesday 13th September 2022 CNSA –China National Space Administration At 21:18 Hours Hong Kong SAR –Beijing Time the Chang Zheng- Long March 7A Y5 carrier rocket ignited and took off at Wenchang Space Launch Centre – Hainan Province China, People’s Republic of China and lifted the China Zhongxing-1E Telecommunications satellite straight into the sky, and then the satellite entered the predetermined orbit and launched the mission complete success.
Zhongxing 1E satellite is developed by the Fifth Academy of China Aerospace Science and Technology Corporation my country’s strongest civil communication satellite The development of the China Zhongxing-1E communication satellite is tight, the task is heavy, and it has experienced a new platform and new state, such as heavy take-off weight, high vertical center of mass of the satellite, epidemic isolation, launch site, rocket “double first flight” and many other challenges, the development team is working together, Riding the wind and waves, stepping down one hurdle after another, and finally successfully sending the satellite into space.
[The Chang Zheng – Long March 7A Y5 launch take off to the second and third stage separation flight video]
The actual flight sequence of CZ-7A Y5 obtained according to this video: T0 take off (corresponding to the second of the video) T+15s program turn T+168s first-level shutdown T +171s Booster shutdown T+174～175s Second-stage sinking and first-stage reverser solid rocket ignition, first-stage and booster assembly cluster separation T+176s Interstage separation T+178s Second-stage ignition T+281s Throwing the fairing
The Chang Zheng- Long March 7A carrier rocket, The Chang Zheng- Long March 7A rocket is the main configuration China- People’s Republic of China’s new generation of medium-sized launch vehicles. It is a high-orbit three-stage liquid bundled type formed by combined design on the basis of the Chang Zheng- Long March 7A launch vehicle and the Long March 3A series of launch vehicles. The launch vehicle has a carrying capacity of 7 tons in geosynchronous transfer orbit, which fills the gap of 5.5 tons to 7 tons in the high orbit of my country’s launch vehicle. It can be adapted to two kinds of fairings with diameters of 4.2 meters and 3.7 meters, with one Carrier Rocket and one satellite And the ability to launch two main satellites with one Carrier Rocket …
The Chang Zheng- Long March 7A rocket, as the first bundled rocket in China- People’s Republic of China that adopts the cluster separation technology of the booster and the core, reduces one separation link and makes the rocket bundled The connecting rod structure is more simplified. At the same time, the cluster separation also reduces the drop area of a booster, and the entire combination is in one drop area, which is more conducive to controlling the drop area of rocket debris.
This is the fourth launch mission of the Chang Zheng- Long March 7A Carrier rocket. The state of the rocket is gradually solidifying, and it is preparing for the subsequent high-density launch stage. The model team has carried out a number of optimizations and improvements for rocket technology design. On the premise of ensuring test coverage, the launch technology process has been reduced from 32 days to 26 days by optimizing the process sequence, parallel work, and combined testing.
In the future, according to the overall development trend of high-orbit satellites and the urgent need for large-sized antennas for high-orbit satellites, the Chang Zheng- Long March 7A Carrier rocket will also develop a new configuration of a 5.2-meter fairing in the future to further improve the rocket’s mission adaptability….
On an interesting day of 7th May Saturday 2022 in Hainan Province –China –People’s Republic of China…. Clear Day in the district area of the Wenchang – Wenchang Spacecraft launch center in which the awesome team at one of many CNSA –China National Space Administration that China National Space Administration………….. Finally assembly of the arrived Chang Zheng 7 Long March Carrier Rocket Yao 5 finally assembled at the VAB Vertical Assembly Building previously arrivingly at Wenchang Spacecraft launch site According to the latest news from the China Manned Space Engineering Office, the Chang Zheng- Long March 7 Yao-5 carrier rocket for the Tianzhou-4 launch mission has completed all the research and development work before leaving the factory and is safe today Arrived at Wenchang Space Launch Site. After that, the Long March 7 Yao 5 carrier rocket will carry out the final assembly and testing of the launch site area together with the Tianzhou 4 cargo spacecraft that has arrived earlier. At present, the facilities and equipment of the launch site are in good condition, and the systems participating in the test are preparing for various tasks in an orderly manner.
[Officially announced that the chief designer of the Long March 9 is Yang Hujun] Yang Hujun, born in 1974, has participated in the model development for more than ten years as the deputy chief designer of the Long March 5 and Long March 5 B rockets since the Long March 5 rocket project was established. Important contributions have been made in key rocket technology research, overall design, first flight and the complete success of the remote 3 to 5 missions, the technology of the remote 2 mission has been reset to zero, the overall model and the technology of each sub-system have been mastered.
In 2020, Yang Hujun became the chief designer of the Long March 9 heavy-duty launch vehicle, and is now mainly responsible for key technical research, in-depth demonstration of plans, overall design, and technical mastery of each sub-system. The Long March 9 is a heavy-duty launch vehicle with a larger take-off scale, stronger carrying capacity, higher complexity and greater difficulty in development than the Long March 5. It is a necessary guarantee for significantly improving the overall level of national aerospace science and technology and the comprehensive strength of engineering technology. , is a powerful guarantee for enhancing national self-confidence and enhancing international competitiveness
天州Tianzhou 4 cargo spacecraft will launch soon as it’ s been transfer to the Launch Complex in ready to According to the China Manned Space Engineering Office, on May 7, 2022, Beijing time, the Tianzhou 4 cargo spacecraft and the Long March 7 Yao-5 carrier rocket will be vertically transported to launch area. At present, the facilities and equipment of Wenchang Space Launch Site are in good condition, and various functional inspections and joint tests before launch will be carried out as planned….
WITNESS WITH WENCHANG Spacecraft Launch Center 2022 This year, the first launch of China’s space station in orbit will be carried out at Wenchang Spacecraft Launch Center in the swirling coconut forest. As the “youngest” among the four major launch sites in China, she has a long history and an extraordinary mission of the times. She witnesses this era together with us ….
