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China Makes Breakthrough In Developing Next-Generation Long March Rocket
Beijing (XNA) Jul 07, 2008 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 thenation's launch vehicle academy. Significant progress has been made on the rocket engine and the building of a production plant. The rocket's 120-tonne liquid oxygen-kerosene engine had passed initial tests and would be put into field tests by the year end, said Liang Xiaohong, vice president of the China Academy of Launch Vehicle Technology. 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, said Li Dong, a designer of Long MarchV. The rocket is five meters wide and cannot be transported via railway or expressway to any of the nation's current launch centers. As a result, a production plant has been built in the coastal Tianjin where the rockets will be shipped by sea to a new launch facility at Wenchang in the southern province of Hainan. The plant has a total investment of 4.5 billion yuan (657 million U.S. dollars). The first phase of its construction will be completed at the end of next year. The Long March rockets have carried out 107 missions since 1970. The first rocket of the Long March family was launched on April 24, 1970, sending China's first satellite Dongfanghong-1 into space. Most recently, a Long March-3B rocket lifted a new telecommunications satellite, Zhongxing-9, into space from the Xichang Satellite Launch Center in the southwestern Sichuan Province on June 9. Zhongxing-9, a satellite ordered by China Satcom from the France-based Thales Alenia Space, will be used for live television broadcast and put into use before the Beijing Olympic Games next month. The next-generation rocket was also expected to contribute in the nation's space probe. Zhang Bainan, chief designer of Shenzhou VII, said Tuesday that the research team that developed the spacecraft, China's third manned space launch, would start final testing after arriving at a northwestern satellite launch center in a few days. China successfully put two manned spacecraft into orbit in 2003and 2005. Shenzhou VII is expected to be launched in October this year.
Source: Xinhua News Agency Related Links The Chinese Space Program - News, Policy and Technology China News from SinoDaily.com
Shenzhou VII Research Crew Ready To Set Out For Launch Center
Beijing (XNA) Jul 02, 2008The research team that developed Shenzhou VII, China's third manned space launch, will start final testing after arriving at a northwestern satellite launch center in a few days, said a space mission official here on Tuesday. |
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