China's Space Program News Thread

Discussion in 'Strategic Defense' started by crazyinsane105, Oct 27, 2005.

  1. coolieno99
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    coolieno99 Junior Member

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    LandSpace TQ-12 liquid rocket engine completes 200 second test. It's China's first Liquid Methane-Liquid Oxygen rocket engine. Thrust is 80 ton in vacuum. LandSpace is a private company.

     
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  2. shanlung
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    shanlung New Member
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    Why then I am reminded of this little story below in italics?

    As also we seen when USA cut off China from USA chips for fear of China beating USA in Supercomputer.
    And we will see how USA trying to cripple the Chinese 5Gs and Huawei.

    And in many other things.

    How good to see USA working so hard to make China even greater.
    In pushing that cow down the cliff time and time again.


    IS THERE A COW IN YOUR LIFE THAT IS KEEPING YOU MISERABLE?

    Once upon a time, in a faraway land, there lived a Chinese wise man and his disciple. One day during their travels, they saw a hut in the distance. As they approached it, they realized that it was occupied, in spite of its extremely poor appearance.

    In that desolate place where there were no crops and no trees, a man lived with his wife, three young children and a thin, tired cow. Since they were hungry and thirsty, the wise man and his disciple stopped for a few hours and were well received. At one point, the wise man asked:

    “This is a very poor place, far away from anything. How do you survive?”

    “You see that cow? That’s what keeps us going,” said the head of the family. “She gives us milk, some of it we drink and some we turn into cheese. When there is extra, we go into the city and exchange the milk and cheese for other types of food. That’s how we survive.”

    The wise man thanked them for their hospitality and left. When he reached the first bend in the road, he said to his disciple:

    “Go back, get the cow, take her to the cliff in front of us, and push her off.” The disciple could not believe what he was hearing.

    “I cannot do that, master! How can you be so ungrateful? The cow is all they have. If I throw it off the cliff, they will have no way of surviving. Without the cow, they will all die!”

    The wise man, an elderly Chinese man, took a deep breath and repeated the order:“Go ahead. Push the cow off the cliff.”

    Though outraged at what he was being asked to do, the disciple had to obey his master. He returned to the hut and quietly led the animal to the edge of the cliff and pushed. The cow fell down the cliff and died.

    As the years passed by, remorse for what he had done never left the disciple. One spring day, the guilt became too much to bear and he left the wise man and returned to that little shack. He wanted to find out what had happened to that family, to help them out, apologize, or somehow make amends. Upon rounding a turn in the road, he could not believe what his eyes were showing him. In place of the poor shack, there was a beautiful house with trees all around, a swimming pool, several cars in the garage, a satellite dish, and more. Three good-looking teenagers and their parents were celebrating their first million dollars.

    The heart of the disciple froze. What could have happened to the family? Without a doubt, they must have been starving to death and forced to sell their land and leave. At that moment, the disciple thought they must all be begging on the street corners of some city. He approached the house and asked a man that was passing by, about the whereabouts of the family that had lived there several years before.

    “You are looking at it,” said the man, pointing to the people gathered around the barbecue. Unable to believe what he was hearing, the disciple walked through the gate and took a few steps closer to the pool where he recognized the man from several years before, only now he was strong and confident, the woman was happy, and the children were now good looking teenagers. He was dumbfounded, and went over to the man and asked:

    “What happened? I was here with my teacher a few years ago and this was a miserable place. There was nothing. What did you do to improve your lives in such a short time?”

    The man looked at the disciple, and replied with a smile:

    “We had a cow that kept us alive. She was all we had. But one day she fell down the cliff and died. To survive, we had to start doing other things, develop skills we didn’t even know we had. And so, because we were forced to come up with new ways of doing things, we are now much better off than before.”

    'WHO OR WHAT IS THAT ‘COW’ IN YOUR LIFE THAT YOU NEED TO PUSH OFF THE CLIFF?' Many a time, we have let our dependence on certain people, things or situation, create a comfort zone and limit us from achieving greater things. Personally, I am very ‘cautious’ in nature and it takes me a lot to let go and climb to another level. You may feel terrible at first, but in the end, it will all be worth it.

    From the conversation in the end, the man says that they had to develop skills and do other things when their only ‘source of survival was dead’. At times we need to lose that job to realize that we can actually do well in business. Sometimes that business needs to fail, to realize that we can do well in other things. Sometimes a situation in our lives may have to fail for us to realize that we deserve and can get better.

    Is there a cow in your life that is keeping you miserable? If so, push that cow down the cliff and please do not be tempted to go after it!

    Have I talked to someone? Have you learned something?

    What's that cow that's holding you? Will you push that cow down the cliff?
     
  3. taxiya
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    taxiya Major
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    It is NOT China's first. It is only the first non-state LOX/Liquid Methane from China.

    China's first LOX/Liquid Methane was fully tested in 2013, developed by CASC 6th Academy 101th institute. It is rated at 65t at sea level and 79t in vacuum. By 2016, the reusable variant was successfully tested for more than 10 times of full burn (of the same engine).

    I dare to suspect that this TQ-12 (80t) or any other "private" liquid methane engines sourced (with CASC consent) their technology from 101th institute, and employs former staff from CASC.
     
    #4893 taxiya, Nov 3, 2019
    Last edited: Nov 3, 2019
  4. taxiya
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    taxiya Major
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    China launches new Earth observation satellite
    [​IMG]

    Gaofen-7 is launched on a Long March-4B rocket at 11:22 am (Beijing Time) from the Taiyuan Satellite Launch Center in North China's Shanxi province on Nov 3, 2019

    Gaofen-7 is a 3D topology mapping and imagery satellite with a sub-meter space resolution (all 3 dimensions). Within months China will have a sub-meter virtual globe.
     
  5. anzha
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    anzha Junior Member
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    [​IMG]

    https://www.nasaspaceflight.com/2019/11/long-march-3b-beidou-3i3-igso-3/
     
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  6. by78
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    by78 Brigadier

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    Designed with modularity in mind. Bundle more engines and/or add more stages for more payload capacity.

    [​IMG]
     
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  7. Quickie
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    Quickie Major

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    I suppose the last column is the payload mass in tonnes?

    Strapping 3 together with 2 of them acting act boosters (Falcon Heavy style) would push the payload mass to well beyond that of the moon rockets currently being planned for. Overcoming the huge vibration would be a huge obstacle though.

    I guess if the program is for real, the major hurdle is to first overcome the problem of clustering so many powerful rocket engines so close together.
     
  8. anzha
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    anzha Junior Member
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    https://spacenews.com/china-targets-late-2020-for-lunar-sample-return-mission/
     
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  9. taxiya
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    taxiya Major
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    The last column is the payload.

    However, this is the currently planned moon rocket, there is no other. There was a CZ-5 based manned moon rocket in the thought called CZ-5DY (Deng Yue, moon landing) in 2013, but that never left paper. Besides, this new CBC rocket is CZ-5 derivative in Chinese mind. Actually, there was only CZ-5 from the beginning,CZ-7 used to be the medium sized CZ-5 in the initial plan, then got its own branch, later on CZ-720 (HO) became CZ-8. The Chinese naming principle is that anything that is based on 3.5m core and YF-100x are CZ-7 (then CZ-8). Anything with 5m core is CZ-5. Anything with 10m core is CZ-9.

    The only other moon rocket is CZ-9, but that is a beast of over 50 tonnes LTO, doubling this CBC of >25 tonnes LTO.

    The program is not only real, but is being produced, see #4888 which showed the first stage and #4889 the second stage. This design has passed technical review a month ago. See here
    新一代载人火箭预研项目顺利验收
     
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  10. Bltizo
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    Bltizo Moderator
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    In particular, I think the configuration of this new rocket (whatever it ends up being called) would make for a good configuration to develop a reuseable VTVL variant of, depending on how well the current efforts to develop reuseable variants of existing other rockets go for CASC.

    7 YF-100K engines per CBC make for a viable way to adjust thrust during a reentry/landing profile.
     
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