China's Space Program News Thread

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escobar

escobar

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Initial Assessment of the COMPASS/BeiDou-2 Regional Navigation Satellite System:
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i quote
...While it remains unclear for most COMPASS/BeiDou-2 satellites, whether Chinese or European rubidium clocks are currently active as primary frequency standards, the observed clock performance is, in any case, well competitive with other GNSS satellites. However, it does not reach the high stability of the latest generation of GPS Block IIF (and QZSS) Rubidium clocks and the hydrogen masers of GIOVE-B/Galileo.
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escobar

escobar

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There will be YF-100 engine test live today around 03:20 UTC

China will test the main engine of its most powerful rocket in northwestern Shaanxi Province on Sunday.

The rocket is set to be launched in 2014, and the present test is on its main engine, which will be required to keep a stable condition amidst harsh conditions including extreme high temperatures.

The engine of the new-generation rocket will have a propulsive power of more than 1,100 tons during the blast-off, a marked increase from the 600-ton driving power of the Long March-2F rocket, which carried the Shenzhou-9 spacecraft into space. The test will last 200 seconds.

Long March-5 will be the biggest rocket ever designed by China, with a diameter of five meters and a maximum height of 63.2 meters.
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Zha Xuelei, deputy architect of the China Manned Space Engineering Cargo Spaceship, reveals that the space agency is developing the cargo spaceship at Shanghai Science Communication Forum and the 40th Academician Forum held in Shanghai recently.

Zha says that China will finish the first Chinese space station around 2020. The space station consists of 5 modules including a core module, two laboratory units, a manned spacecraft and a cargo spaceship to supply fuel and food for the space station, ensuring energy and logistics for the space mission.

Observers said China’s 1st cargo spaceship will match Japan's HTV cargo freighter which is in charge of carrying supplies for the International Space Station in China’s future space
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Rising China

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After 12 years of R&D, China finally successfully develops her own 120-ton carrying capacity rocket engine. The only second country in the world that is able to make such an engine.

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hmmwv

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escobar said:
On chinese forums (like
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) there are talks about what seems to be a sub-orbital launch of the CZ-2C rocket from TSLC at around 16:00 UTC on July 24. Keywords like "90 days", "Back on Earth", "Congratulations from the Party", "CAEP (China Academy of Engineering Physics)" were used. I wonder if it was a test of Shenlong spacecraft ?????:confused:
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The 90 days is referring to the time from launch team arrived at TSLC to the successful launch, this is most likely a suborbital flight of Shenlong.

jackliu said:
2nd?? Are you sure? Which nation are we missing US or Russia? I mean I'm pretty sure Europe have it as well.
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The news says second nation after the former Soviet Union to master this technology, which implies that engines from other countries may be derived from Soviet designs.
 
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The company responsible for designing the Ziyuan III, China's first high-resolution remote-sensing satellite for civilian use, has officially transferred its use to the National Administration of Surveying, Mapping and Geoinformation, the satellite's primary subscriber.

Other departments, including the ministries of water resources, agriculture and land and resources, will also use data provided by the Ziyuan III to serve China's economic and social development, according to a statement released Monday by the China Aerospace Science and Technology Corporation (CASC).

The satellite, launched on Jan. 9, represented a breakthrough for China in terms of the advancement of the satellite's technological standards. The satellite is tasked with providing data for use in land resource surveying, disaster prevention, agriculture and water resource development and urban planning. It has a designed life expectancy of five years.

The Ziyuan III can conduct high-resolution, full-cover surveying and monitoring of islands located in China's coastal areas, the statement said. A regulation on the management of data collected by the Ziyuan III was also issued on Monday.

The regulation stipulates that the State Administration of Science, Technology and Industry for National Defense will handle the overall distribution of the Ziyuan III's data, while the National Administration of Surveying, Mapping and Geoinformation will handle data distribution and applications related to mapping.
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