antiterror13
Brigadier
You meant the other country (big country) would demand China to adopt their standards if they want to talk and access China's space station ?
China's Space Program Thread II
- Thread starter Blitzo
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You meant the other country (big country) would demand China to adopt their standards if they want to talk and access China's space station ?
No way!!! they have to learn putonghuaYou meant the other country (big country) would demand China to adopt their standards if they want to talk and access China's space station ?
Unfortunately of the 51 launches, 14 are commercial (counting Kuaizhou and Lijian-1). CASC has to perform 30-35 launches in two months....
A bit late on the reply but interesting to see @taxiya mention the private versus public launch capacity/volume for this year, I had assumed it was 51 launches so far across all of Chinese space industry, can anyone confirm or deny if this is the case? If not, and the private sector is not included in this count, that would be really good. I really hope China can hit 100 launches this year if so. Thanks!
Edit: I just saw another member mention those 14 commercial launches are included within it, if that is the case, nevermind.
you can check
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Ah ok I see, thanks for sharing, I do see commercial rockets in there.
i-Space reported they have completed the failure investigation of the latest Hyperbola-1 failure back on July 11. While they didn't spell out what was explicitly the cause, the list of tests completed (structural loads/dynamics test, mechanical stress/environment testing, 1 4th stage flight mode testing and 3 4th stage separation tests etc.) indicated that there was an abnormal 3rd/4th stage separation.
by78
General
Lightyear has successfully bulge-formed of 3.8m-diameter propellant tank section, which will be welded to the previously fabricated bottoms/bulkheads to form a complete tank.
Lightyear's stainless steel 3.8m-diameter propellant tank bottom has passed pressure test. The part performed as designed (design pressure = 0.75MPa).
Here's the completed stainless steel propellant tank fabricated using LightYear's proprietary bulge-forming process. It has a diameter of 3.8m, a length of 14.6m, a volume of 158 cubic meters, and a total weight of 3400kg. The wall thickness is as little as 1.52mm. It will be exhibited at this year's Zhuhai Airshow.
by78
General
Gravity-1 all-solid launch vehicle developed by the private company OrienSpace will make its maiden flight in 2023. In 2025, Gravity-2 (re-usable liquid core + solid boosters) is scheduled to make first flight. In 2030, Gravity-3 (fully-reusable/recoverable) will make its maiden flight. Some 20 ground tests of various systems have been completed, including core stage engine for Gravity 1 and attitude control engines.
Interestingly, according to set up by the Beijing government and private launch industry, the maiden flight of OrienSpace Gravity-3 launch vehicle has been shifted left by 3 years, to as early as 2027.
by78
General
Some illustrations from a describing a proposal for an astroid defense system. The paper is part of a special issue, which you can .
A brief summary of the proposal:
Upon detecting a threatening astroid via ground based observation, an impactor and an observer satellite are launched together toward the target. The observer satellite arrives first and performs a detailed study of the target astroid, including taking topographical 3D scans and measuring its material composition and orbit. The impactor arrives later at the target and autonomously sets itself on an impact course. The observer satellite records the impact process and again takes detailed measurements of the astroid post impact and then compares the latest measurements with previously recorded data to assess whether the impact has sufficiently altered the astroid's path. The advantage of the proposal is that it eliminates the limitations of ground-based observation on assessing the effectiveness of an impact.
Excerpts from an academic paper (小行星防御试验任务科学目标设计与有效载荷配置/Asteroid Defense Test Mission Scientific Target Design and Payload Configuration). China plans to carry out a technology verification test of the asteroid defense system currently under development, and asteroid 2015 XF261 has been selected as a promising target. The test is expected before 2030.
A follow-up paper on China's astroid defense project. We now have a clearer timeline of the planned technology verification test: it is to be conducted from 2027 to 2029 on the target astroid 2015 XF261.
