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    a more appropriate comparison would be a shopping...

    a more appropriate comparison would be a shopping mall and mom and pop stores, plenty of evidence how that turns out in the end, yet people still want to profit from stock trading (thus indirectly...
  2. this is just my experience, might be useful for...

    this is just my experience, might be useful for the OP

    I'm fairly fit, I could deadlift twice my body weight (2x75kg), 20 pullups with chin over the bar, decent cardio and so on, but the one...
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    just a personal opinion - a good tool box (decent...

    just a personal opinion - a good tool box (decent quality, nothing extravagant) should be at the very top of the list, and just the very basic stuff to go along with it, a notebook, pen/pencil,...
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    Garwood, my opinion about how Amazon differs...

    Garwood,
    my opinion about how Amazon differs from Xometry is that a buyer on Amazon doesn't ask for something to be made, he goes there to purchase things that are already made - which implies that...
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    thanks for the ideas, I will definitely post...

    thanks for the ideas, I will definitely post results when I'll get around to it, but it might take few days

    Ross, the groove in the cylinder wall is where the ball bearings reside when the spring...
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    fear of bankruptcy vs fear of receiving...

    fear of bankruptcy vs fear of receiving inadequate care, one you can live after and recover, the other one - not quite, and in the latter case - average Joe with no connections is left on his own...
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    the growth numbers you mention - does that growth...

    the growth numbers you mention - does that growth look sustainable to you considering current economic climate?

    I suspect they themselves predict slowing down, which wouldn't help them if they...
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    if the nut threading along the screw feels rough,...

    if the nut threading along the screw feels rough, then I doubt it would be thrust bearings making the rumbling, but those could be shot as well if the rumbling went on for long enough, think about...
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    it is a one piece part, it is clean, I looked at...

    it is a one piece part, it is clean, I looked at it quite carefully looking for the set screw present in drawings I could find of the other cylinders, but nothing is there, just the tiny 1.5mm hole...
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    the cylinder in my case is about twice the height...

    the cylinder in my case is about twice the height compared to the one in your picture, still not a lot of room for the spring washer stack in it, but they are definitely there

    I used a bolt to...
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    the part marked with red is already done, and...

    the part marked with red is already done, and there is no set screw on the side, the only hole is a 1.5mm hole about 1/3 from the bottom (right in the middle of the spring stack), and no threads in...
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    I had couple days free to do some maintenance on...

    I had couple days free to do some maintenance on the Mikron mill and ran into an issue with the hydraulic drawbar cylinder (made by OTT), couldn't quite get it apart to check the condition of the...
  13. Thread: China on Mars

    by jz79
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    he might be implying about USSR planting lunar...

    he might be implying about USSR planting lunar rover on the Moon and SpaceX has landed the upper stage just on a concrete pad, and that landing a huge space barn on space dust might be more...
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    so the racist whites vs others simply wasn't...

    so the racist whites vs others simply wasn't global enough, now its the unvaxx vs vaxx

    I not so vaguely remember that they explicitly said before the vaccine campaign that it will be voluntary and...
  15. here is a pic of the hole location, it is...

    here is a pic of the hole location, it is probably a nice round 1/2" from the end there:
    321572
  16. dilute the muriatic acid in half (stores usually...

    dilute the muriatic acid in half (stores usually sell it at 30ish % concentration), use cotton swab to smear it on lightly, it takes few seconds to work, you don't need to leave an open container...
  17. Thread: China on Mars

    by jz79
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    finally we're getting somewhere.... an...

    finally we're getting somewhere.... an intelligent discussion is possible after all, even when opinions differ drastically

    here are couple more I'll add without having worked at SpaceX and haven't...
  18. Thread: China on Mars

    by jz79
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    I asked you what theoretically can be beneficial...

    I asked you what theoretically can be beneficial to everyone, you named reusability of boosters, which is not really essential even for getting to Mars, just useful, but useful for everyone? Not...
  19. Thread: China on Mars

    by jz79
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    really? I talk about the context of development...

    really? I talk about the context of development of said technology

    it was developed by military for military purposes with military funding, I know quite well where those clocks are that broadcast...
  20. Thread: China on Mars

    by jz79
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    123
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    4,844

    Are seriously going to claim that Elon went into...

    Are seriously going to claim that Elon went into space business with Mars goal right at the beginning and reusable rockets were the key ingredient?

    And you still haven't named the 3 new things or...
  21. Thread: China on Mars

    by jz79
    Replies
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    I NEVER said going to the Moon was a mistake, it...

    I NEVER said going to the Moon was a mistake, it wasn't, but this "race to the Mars" is completely another matter, almost ZERO NEW technology is going into it, just piles and piles of money, not...
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    do a google search on "1,000 Lawyers and 10,000...

    do a google search on "1,000 Lawyers and 10,000 Doctors Have Filed a Lawsuit" on google, and then compare results to duckduckgo search on the same phrase

    all knowing google seems to almost pretend...
  23. Thread: China on Mars

    by jz79
    Replies
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    4,844

    can you name 3 things that came out of it that...

    can you name 3 things that came out of it that has or has a chance of improving anything that is all around and in your hands?

    I personally don't think Starlink is one of them, while convenience...
  24. Thread: China on Mars

    by jz79
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    123
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    4,844

    you're thinking in very short term about this, we...

    you're thinking in very short term about this, we have enough expensive problems on this planet to waste resources expanding this sickness (us) to another world

    this is nothing other than a money...
  25. have a look at this thread I started a while ago...

    have a look at this thread I started a while ago - tnc 355 plc

    the code to access the PLC is there, so is the description of how it may be split in 2 parts, first 2048 commands and then additional...
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