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China's rocket startups go small in age of 'shoebox' satellites
DURING initial tests of their 8.1 m tall reusable rocket, Chinese engineers from LinkSpace, a startup led by China's youngest space entrepreneur, used a Kevlar tether to ensure its safe return. Just in case.
But when the Beijing-based company's prototype, called NewLine Baby, successfully took off and landed last week for the second time in two months, no tether was needed.
The 1.5-tonne rocket hovered 40 m above the ground before descending back to its concrete launch pad after 30 seconds, to the relief of 26-year-old chief executive Hu Zhenyu and his engineers - one of whom cartwheeled his way to the launch pad in delight.
LinkSpace, one of China's 15-plus private rocket manufacturers, sees these short hops as the first steps towards a new business model: sending tiny, inexpensive satellites into orbit at affordable prices.
Demand for these so-called nanosatellites - which weigh less than 10 kg and are in some cases as small as a shoebox - is expected to explode in the next few years. And China's rocket entrepreneurs reckoned that there is no better place to develop inexpensive launch vehicles than their home country.
"For suborbital clients, their focus will be on scientific research and some commercial uses. After entering orbit, the near-term focus (of clients) will certainly be on satellites," Mr Hu said.
In the near term, China envisions massive constellations of commercial satellites that can offer services ranging from high-speed Internet for aircraft to tracking coal shipments.
Universities conducting experiments and companies looking to offer remote-sensing and communication services are among the potential domestic customers for nanosatellites.
A handful of US small-rocket companies are also developing launchers ahead of the expected boom. One of the biggest, Rocket Lab, has already put 25 satellites in orbit.
No private company in China has done that yet. Since October, two - LandSpace and OneSpace - have tried but failed, illustrating the difficulties facing space startups everywhere.
The Chinese companies are approaching inexpensive launches in different ways. Some, like OneSpace, are designing cheap, disposable boosters. LinkSpace's Mr Hu aspires to build reusable rockets that return to Earth after delivering their payload, much like the Falcon 9 rockets of Elon Musk's SpaceX.
"If you're a small company and you can only build a very, very small rocket because that's all you have money for, then your profit margins are going to be narrower," said Macro Caceres, analyst at US aerospace consultancy Teal Group.
"But if you can take that small rocket and make it reusable, and you can launch it once a week, four times a month, 50 times a year, then with more volume, your profit increases," he added.
Eventually, LinkSpace hopes to charge no more than 30 million yuan (S$6 million) per launch, Mr Hu told Reuters.
That is a fraction of the US$25-30 million needed for a launch on a Northrop Grumman Innovation Systems Pegasus, a commonly used small rocket. The Pegasus is launched from a high-flying aircraft and is not reusable.
LinkSpace plans to conduct suborbital launch tests using a bigger recoverable rocket in the first half of 2020, reaching altitudes of at least 100 km, then an orbital launch in 2021, Mr Hu told Reuters.
The company is in its third round of fundraising and wants to raise up to 100 million yuan, Mr Hu said. It had secured tens of millions of yuan in previous rounds.
After a surge in fresh funding in 2018, firms such as LinkSpace are pushing out prototypes, planning more tests and even proposing operational launches this year.
Last year, equity investment in China's space startups reached 3.57 billion yuan, a report by Beijing-based investor FutureAerospace shows, with a burst of financing in late 2018.
That accounted for about 18 per cent of global space startup investments in 2018, a historic high, according to Reuters calculations based on a global estimate by Space Angels. The New York-based venture capital firm said that global space startup investments totalled US$2.97 billion last year.
"Costs for rocket companies are relatively high, but as to how much funding they need - be it in the hundreds of millions, or tens of millions, or even just a few million yuan - depends on the company's stage of development," said Niu Min, founder of FutureAerospace.
FutureAerospace has invested tens of millions of yuan in LandSpace, based in Beijing.
Like space-launch startups elsewhere in the world, the immediate challenge for Chinese entrepreneurs is developing a safe and reliable rocket.
Proven talent to develop such hardware can be found in China's state research institutes or the military; the government directly supports private firms by allowing them to launch from military-controlled facilities.
But it is still a high-risk business, and one unsuccessful launch might kill a company. "The biggest problem facing all commercial space companies, especially early-stage entrepreneurs, is failure" of an attempted flight, said Liang Jianjun, chief executive of rocket company Space Trek. That can affect financing, research, manufacturing and the team's morale, he added.
Space Trek is planning its first suborbital launch by the end of June and an orbital launch next year, said
Mr Liang, who founded the company in late 2017 with three other former military technical officers.
Despite LandSpace's failed Zhuque-1 orbital launch in October, the Beijing-based firm secured 300 million yuan in additional funding for the development of its Zhuque-2 rocket a month later.
In December, the company started operating China's first private rocket production facility in Zhejiang province, in anticipation of large-scale manufacturing of its Zhuque-2, which it expects to unveil next year.
China's state defence contractors are also trying to get into the low-cost market. Last December, the China Aerospace Science and Industry Corp (CASIC) successfully launched a low-orbit communication satellite, the first of 156 that it aims to deploy by 2022 to provide more stable broadband connectivity to rural China and eventually developing countries.
The satellite, Hongyun-1, was launched on a rocket supplied by the China Aerospace Science and Technology Corp (CASC), the nation's main space contractor.
In early April, the China Academy of Launch Vehicle Technology (CALVT), a subsidiary of CASC, completed engine tests for its Dragon, China's first rocket meant solely for commercial use, clearing the path for a maiden flight before July.
The Dragon, much bigger than the rockets being developed by private firms, is designed to carry multiple commercial satellites.
At least 35 private Chinese companies are working to produce more satellites. Spacety, a satellite maker based in southern Hunan province, plans to put 20 satellites in orbit this year, including its first for a foreign client, chief executive Yang Feng told Reuters.
The company has launched only 12 on state-produced rockets since the company started operating in early 2016. "When it comes to rocket launches, what we care about would be cost, reliability and time," Mr Yang said. REUTERS