Author Topic: CZ-8 maiden flight with XJY-7 - Wenchang - December 22, 2020 (04:37 UTC)  (Read 43990 times)

Offline jcm

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Bottom of the rocket now visible
-----------------------------

Jonathan McDowell
http://planet4589.org

Offline Steven Pietrobon

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Middle platforms are opening.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-30 T-40 minutes.
« Last Edit: 12/22/2020 03:29 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-25 T-35 minutes.
« Last Edit: 12/22/2020 03:30 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-20 T-30 minutes.
« Last Edit: 12/22/2020 03:30 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-15 T-25 minutes.
« Last Edit: 12/22/2020 03:30 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-10 T-20 minutes. There some vapour coming off from near the top of the nearest booster.
« Last Edit: 12/22/2020 03:30 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-5 T-15 minutes. Now seeing vapour from the far booster as well.
« Last Edit: 12/22/2020 03:31 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Launch time now nominally 4:40 UTC, so now T-12 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-5 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-3 minutes. Umbilical arms have retracted.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Vehicle has already gone from view.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Mission success!

https://m.weibo.cn/2656274875/4584918179383931

"Turn around and congratulate! The first flight of the Long March 8 carrier rocket was successful, just now, China's self-developed new generation of medium-sized carrier rocket, the Long March 8, the first flight test, in China's Wenchang space launch site successfully implemented, the rocket flight is normal, the test was a complete success! Bless China Aerospace! (CCTV reporter Cui Xia Li Ning Lisha Huang Jiashu Wu Tianbai, National Space Administration Zhang Wei , our space)"
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Launch carried five satellites.

https://m.weibo.cn/status/4584918602482491?

The first flight test of the Long March 8 carrier rocket was a complete success.

Long March 8 carrier rocket fully inherited the Long March 5, Long March 7 carrier rocket technical achievements, the use of non-toxic non-polluting propellant, core first-stage diameter of 3.35 meters, core second-stage diameter of 3 meters, rectifier diameter of 4.2 meters, bundled with 2 diameter 2.25 meters booster, a total length of about 50.3 meters, take-off mass of about 356 tons, 700 km solar synchronous orbit carrying capacity is not less than 4.5 tons, filling the gap of China's solar synchronous orbit 3 tons to 4.5 tons of carrying capacity, to accelerate the upgrading of launch vehicles is of great significance, will be with the Long March 5, Long March 6, Long March 7 and other non-toxic non-polluting launch vehicles, constitute a large, medium and small layout reasonable new generation of launch vehicle spectrum.

The first flight of the Long March 8 carrier rocket carried five experimental satellites accurately into the predetermined orbit, the relevant satellite payload will be microwave imaging and other technologies in orbit verification, space science and remote sensing, communications technology testing and applications.
The Long March 8 launch vehicle project was approved and implemented by the National Space Administration in 2017, and the China Launch Vehicle Technology Research Institute, which is part of China Aerospace Science and Technology Group Co., Ltd., has developed the launch vehicle system, and the China Satellite Launch Measurement and Control System Department is responsible for the implementation of the flight test organization. The mission was the 356th launch of the Long March series of launch vehicles. (Photo: Yang Haipeng) - Our Space #
« Last Edit: 12/22/2020 04:09 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Satellites are

Xīn Jishu Yanzheng 7 (New Technology Verification 7)
Haisi 1
Yuanguang
Zhixing 1A
Tianqi 8

https://mp.weixin.qq.com/s/vysNP1szRFGhydiU3IlGxA

Among the five satellites, the main satellite is the new technology verification No. 7 satellite developed by the Fifth Academy of Aerospace Science and Technology Group, and the four small satellites on board are the Haisi-1 and Yuanguang of Changsha Tianyi Space Technology Research Institute Co., Ltd., Beijing Zhixing-1A star of Zhixing Space Technology Co., Ltd. and Apocalypse constellation 08 star of Beijing Guodian High-tech Technology Co., Ltd.

« Last Edit: 12/22/2020 04:27 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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https://mp.weixin.qq.com/s/gB3KXVNdhAnc79unDNF-aA

"On December 22nd, at 12:37, China's new-generation carrier rocket, The Long March 8, ignited and took off from the Wenchang Space Launch Site in China, and then successfully put five satellites into orbit, and the first mission was a complete success. China's new generation of launch vehicle family to add new members, China's space "13th Five-Year Plan" period of the new generation of launch vehicle mission successfully concluded."
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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