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  1. M

    Mexican navy tall ship slams into Brooklyn Bridge

    Cool, I didn't know that.
  2. M

    Circlip resistance calculation

    Ok, so the orange parts are the bronze bushings. You understand that only one of them is in the load path, right? I still don't see a pin.
  3. M

    Mexican navy tall ship slams into Brooklyn Bridge

    According to the always reliable Wikipedia the Cuauhtémoc is powered by a Cat D399, which is a 4-stroke engine. So it can only run in one direction, right?
  4. M

    Circlip resistance calculation

    I can't understand how your hinge is supposed to work. What are the orange parts? Where is the pin?
  5. M

    Weld on a UL tank

    Then you need to confirm "complete fusion", which requires probably UT.
  6. M

    Standard for keys and keyways/keyseats design (Aircraft)

    https://www.eng-tips.com/threads/effect-of-keyways-on-hubs.396527/#post-8076280 https://www.machinedesign.com/motors-drives/article/21834636/shaft-keys-revisited
  7. M

    Standard for keys and keyways/keyseats design (Aircraft)

    There's a list of specs in this thread. https://www.eng-tips.com/threads/keyway-specifications.4614/ Someone will soon explain why keys and keyways are evil....
  8. M

    Optimal Steam Pressure for Jacket

    Optimized for what? Lowest fuel cost? Lowest lifecycle input cost? Maximum profit? Process throughput? Product quality? Something else?
  9. M

    Weld on a UL tank

    The basis for welds and the inspection of welds for any specific thing is whatever is specified in the contract. As you've discovered, UL 142 is rather weak at defining weld and weld inspection requirements. Are you inspecting on behalf of the buyer? Look in the purchase order and any other...
  10. M

    Weld on a UL tank

    My opinion is that an inspector's job is to confirm compliance to already defined requirements. An inspector cannot impose new requirements onto already completed work.
  11. M

    REQUIREMENT OF COOLING TOWER IN WATER COOLED CHILLER SYSTEM

    If you don't shut down on high pressure your cooling capacity will be pretty small when the cooling water temperature is 149F. Is that ok? Does the central cooling tower really have 312 tons of spare capacity just hanging out waiting for your building? I can't guess what "battery limit of...
  12. M

    can you laser cut carbon fiber

    Interesting. https://www.ulsinc.com/materials/carbon-fiber#:~:text=Laser%20cutting%20carbon%20fiber%20can,a%20single%20hybrid%20laser%20beam.
  13. M

    machine elements power-force formula

    Who loads their (equal) pile of rocks onto their (identical) truck fastest? When finished, they've both done the same amount of work, but one has done that work is less time. That's power.
  14. M

    Belts, rollers, rods and frame

    You need to separate the description of function from the description of physical implementation. For a patent you need to be able to describe what your device does, and how it does it in a novel way. Belts, rollers, springs and slides are all fundamental mechanical elements. Moving things...
  15. M

    NEED HELP UNDERSTANDING IBC CLAUSE (EXPANSIVE SOIL)

    Well native English speaker or not, you did a better job of making it clear in three simple sentences than the committee did with five complicated sentences!:D
  16. M

    NEED HELP UNDERSTANDING IBC CLAUSE (EXPANSIVE SOIL)

    I am not an expert in soils. @HTURKAK's interpretation of the intent is possibly correct. I am a native English speaker, and experienced specification writer. As written, 1803.5.3 does not match @HTURKAK's interpretation. As a specification writer, my interest in discussions like this one is...
  17. M

    Shaft can't fit in the hole.

    Guys, it's at 22 mm long shaft. It's not possible for it to simultaneously be in two holes separated by a 65 mm gap.
  18. M

    NEED HELP UNDERSTANDING IBC CLAUSE (EXPANSIVE SOIL)

    Debating it on the internet won't answer nor solve the problem. There must be a way to submit questions and comments to the IBC committee. Start here: https://www.iccsafe.org/about/contact-icc/ You can read past versions of the IBC here: https://codes.iccsafe.org/codes/i-codes The current...
  19. M

    Towing Disaster

    Exactly zero other drivers thought it might be a good idea to pull over and stop, or even to move to the farthest away lane to avoid this.
  20. M

    Shaft can't fit in the hole.

    Not at all, or not all the way through? There's possibly burrs on the ID resulting from the M4 thread.

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