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Long March-5 rocket engine
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 China develops new rocket engine

China announced Thursday that it has developed a new engine for its new generation of carrier rockets, making it the second in the world to harness such engine technologies.
The 120-tonne liquid oxygen/kerosene high-pressure staged combustion cycle engine will provide an effective guarantee for the country's manned space and lunar probe missions, said the State Administration of Science, Technology and Industry for National Defence.

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China has made a breakthrough in developing its next generation of space-launch vehicle Long March V, which is scheduled for operation by 2014, said sources with the nation's launch vehicle academy.
Significant progress has been made on the rocket engine and the building of a production plant.
According to Liang Xiaohong, vice president of the China Academy of Launch Vehicle Technology, the rocket's 120-tonne liquid oxygen-kerosene engine had passed initial tests and would be put into field tests by the year end.
Li Hong, president of the launch vehicle academy, said the Long March V would meet the requirement of large-payload low Earth orbit (LEO) and geosynchronous transfer orbit (GEO) missions for the next two to three decades.
With four boosters, the 59.5-meter-high environmentally friendly rocket's launching weight would reach 643 tonnes. It would be able to deliver a 25-tonne payload to an LEO, compared with the present 10 tonnes, and a 14-tonne payload to a GEO, compared with 5.5 tonnes now, said China Central Television in a report.
The 14-tonne payload to a GEO means the rocket can carry a heavier satellite or more satellites at one time while the 25-tonne payload to an LEO will enable it to carry the Shenzhou-series spacecraft.

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A week after the launch of the first lunar orbiter, the Chinese  government  on Tuesday announced the building of a new family of rocket launchers and a launch centre.
The Long March 5 carrier rockets will be made in the northern coastal city of Tianjin while the new launch centre will be located in the southernmost province of Hainan.
The next-generation rockets will be able to carry up to 25 tons to near-Earth orbits, up from the current 9 tons; and 14 tons to geosynchronous orbits, up from 5 tons. The diameter will be increased to 5 meters from 3.35 meters.
They are designed to launch space stations or heavyweight satellites, which the current Long March 3-A rockets cannot handle.

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China plans to develop a new generation of carrier rockets with a payload capacity large enough to launch a space station, state media reported Monday.

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China plans to develop a new-generation of carrier rockets that will increase the maximum carrying capacity of its "Long March" series of rockets to 25 tons from the current 9.5 tons.
The information was released at a symposium the China Aerospace Science and Technology Corporation (CASC) held in Beijing recently to mark the 100th launch of Long March rockets.

Source People's Daily

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China plans to spend 7 - 8 years developing a new-generation large carrier rocket, called "Long March V", to be used for launching a space station.
China's 120-ton class liquid oxygen/kerosene engine for the new-generation carrier rocket went through a whole-vehicle test in the middle of 2006 at the Academy of Aerospace Propulsion Technology affiliated with the China Aerospace Science and Technology Corporation (CASC.
The carrying capacity is increased from 9 to 25 tons in the of the "Long March".

According to  Huang Chunping, former commander-in-chief of the launch vehicle system used by the country's manned space mission and a member of the National Committee of the Chinese People's Political Consultative Conference (CPPCC), the country will use a "Long March IIIA" rocket to carry its first lunar orbiter "Chang'e I" into space in the latter half of this year, while spaceship "Shenzhou VII" will be launched by "Long March IIF" in 2008.

Source People's Daily

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