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China's commercial carrier rocket Smart Dragon-1 makes maiden flight
Updated: August 17, 2019 15:16 Xinhua
China's new carrier rocket Smart Dragon-1 blasts off from the Jiuquan Satellite Launch Center in Northwest China, Aug 17, 2019. China's new carrier rocket Smart Dragon-1 (SD-1), designed for commercial use, made its maiden flight on Aug 17, sending three satellites into planned orbit. [Photo/Xinhua]

JIUQUAN — China's new carrier rocket Smart Dragon-1 (SD-1), designed for commercial use, made its maiden flight on Aug 17, sending three satellites into planned orbit.

The rocket, developed by the China Rocket Co Ltd affiliated to the China Academy of Launch Vehicle Technology (CALVT), blasted off from the Jiuquan Satellite Launch Center in northwest China at 12:11 pm (Beijing Time).

The three satellites, respectively developed by three Beijing-based companies, will be used for remote sensing services, communication and Internet of Things.

Different from the carrier rockets of the Long March family, the new Dragon series is developed in a commercial mode to meet the market demand of launching small commercial satellites, said Wang Xiaojun, head of CALVT.

The SD-1, with a total length of 19.5 meters, a diameter of 1.2 meters, and a takeoff weight of about 23.1 tons, is a small-scale solid-propellant carrier rocket capable of sending 200 kg payloads to the solar synchronous orbit at an altitude of 500 km.

"It has the highest carrying efficiency among China's current commercial solid-propellant rockets," said Gong Min, technical manager of the SD-1 project.

It took less than 18 months to develop SD-1, which is the shortest period to develop a new type of carrier rocket in China.

Intelligent technologies are used to analyze the data of the rocket, which will help improve its efficiency and accuracy, said Gong.

The designers of SD-1 have made efforts to lower the costs and improve the efficiency and reliability of the rocket, said Tang Yagang, president of the China Rocket Co Ltd.

One such rocket can be produced in six months after business agreements are signed with customers. After the rocket is transported to the launching center, the launch can be realized within 24 hours. The rocket can be used for launching either single satellite or multiple satellites at a time, according to Tang.

Tang said the company mainly relies on social financing to develop SD-1 to lower its cost through competition.

"Commercial launching will have a vast market in the fields such as low-Earth orbit Internet mobile communication and remote sensing," Tang said.

The company plans to complete five launches of SD-1 by the end of 2020.

China's new carrier rocket Smart Dragon-1 blasts off from the Jiuquan Satellite Launch Center in Northwest China, Aug 17, 2019. China's new carrier rocket Smart Dragon-1 (SD-1), designed for commercial use, made its maiden flight on Aug 17, sending three satellites into planned orbit. [Photo/Xinhua]

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