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China plans first seaborne rocket launch in mid-2019

A Long March-11 rocket takes off from Jiuquan Satellite Launch Centre in Gansu province, China, on Dec 22, 2018.PHOTO: REUTERS

PUBLISHED

JAN 30, 2019, 4:33 PM SGT

BEIJING (XINHUA) - China's first seaborne rocket launch is scheduled for mid-2019, with a Long March-11 carrier rocket set to blast off in the Yellow Sea, said Mr Jin Xin, deputy chief commander of the rocket.

China has achieved a breakthrough in the key technologies for seaborne launches, Mr Jin, of the China Academy of Launch Vehicle Technology, told a press conference by the China Aerospace Science and Technology Corporation on Tuesday (Jan 29).

The Long March-11, with a length of 20.8m and a takeoff weight of about 57.6 tonnes, is the only rocket using solid propellants among China's new generation carrier rockets. It has a relatively simple structure and can be launched in a short time.

After leaving port, the rocket could be launched within a week, said Mr Jin.

The rocket can carry a payload of up to 350kg to a sun-synchronous orbit at an altitude of 700km, and 700kg to a low-Earth orbit at 200km. It is mainly used to carry small satellites, and can take multiple satellites into orbit at the same time.

A seaborne launch has many advantages over a land launch, Mr Jin said. For instance, the launch site is flexible, and falling rocket remains pose less danger.

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Using civilian ships to launch rockets at sea would lower launch costs and give it a commercial edge, he said.

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It will also help lay the groundwork for developing reusable rockets and recovery technologies at sea.

The seaborne launch technology will help China provide launch services for countries participating in the Belt and Road Initiative, he added.

Another three Long March-11 launches on land are also planned this year.

The Long March-11, which made its maiden flight on Sept 25, 2015, has so far sent 25 satellites into orbit in six launches with high reliability and good performance rates.




https://www.straitstimes.com/asia/east-asia/china-plans-first-seaborne-rocket-launch-in-mid-2019

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