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  1. Replies
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    1,738

    The bolt will loosen. Good point. Left hand...

    The bolt will loosen. Good point. Left hand milling cutter perhaps? That would tighten it as it digs into the side. Go half way and then hit it from the other side.

    As for all the other hows, the...
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    I think I can do 18.963 TPI on my SB-9. I haven't...

    I think I can do 18.963 TPI on my SB-9. I haven't tested that to be sure the gears will physically fit, but the math does work out OK. An idler or two may be needed. Lead screw = 8 TPI. Stud gear =...
  3. Replies
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    1,738

    If the aluminum plate is scrap, than why not...

    If the aluminum plate is scrap, than why not treat it that way?

    End cutting, carbide milling bit. Plunge into the aluminum next to the bolt. Go sideways to remove the head. Use a good cutting...
  4. Replies
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    7,132

    Humm! Interesting reply. It seems to come from an...

    Humm! Interesting reply. It seems to come from an owner or perhaps a high level manager. And it seems to make sense. Perhaps not for all, but .....
  5. Replies
    13
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    783

    "... how would you do this in quantities greater...

    "... how would you do this in quantities greater than one ?"

    I think you have struck on the reason why it is not under the hood of any car today.

    Seriously, if you were to make them in any...
  6. Replies
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    2,337

    That is a beautifulllll piece of work. Why...

    That is a beautifulllll piece of work.

    Why don't you post the plans. I need to make and sell two so I can pay off my house.
  7. Replies
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    6,269

    But will a bowling ball fit?

    But will a bowling ball fit?
  8. I could be wrong, but from the looks of the third...

    I could be wrong, but from the looks of the third photo, it would appear that someone has ground or machined these jaws before. The gripping surface has a radius while most factory jaws are ground...
  9. It is not a hard or complicated job to do it...

    It is not a hard or complicated job to do it yourself. But certain precautions must be taken. I used a small abrasive point in a Dremel tool that was strapped to the tool post. I just aligned it by...
  10. Many times numeric readouts were intentionally...

    Many times numeric readouts were intentionally set to illuminate all the segments for a second or three when power was first turned on. This allowed the operator to observe if any of the segments...
  11. Replies
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    3,405

    OK, I will admit to having a shop in my garage...

    OK, I will admit to having a shop in my garage and in that shop I have a SB-9. I have also had shops at work. I am from both worlds. I also try to keep my questions here on serious matters that do...
  12. Replies
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    "Which is stronger?" From an engineering point of...

    "Which is stronger?" From an engineering point of view, the first thing that comes to mind is that is a very vague question. There are many qualifying factors that are not mentioned.

    First, there...
  13. Replies
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    Using my tap drill calculator, which takes all...

    Using my tap drill calculator, which takes all factors into account, I get the following:

    4-40:
    It does confirm the #43 tap drill, which is the standard one suggested for this thread. It also...
  14. Replies
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    You might worry a bit when you finally get those...

    You might worry a bit when you finally get those parts. Have they been disinfected? They don't even know how this disease is passed on.

    I will probably give anything that I get that even may have...
  15. Replies
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    3,074

    Mantle cooling caused by solar panels??? As I...

    Mantle cooling caused by solar panels???

    As I understand it, the earth's internal heat source is radioactive decay, not any external source like the sun. Solar radiation, even before the advent...
  16. Screws are made in whatever sizes that are...

    Screws are made in whatever sizes that are needed. 0000 or 6" diameter, probably even larger and smaller, whatever is needed. I see nothing special about either of them nor of any of the sizes...
  17. Best shop window view I ever had was on the 29th...

    Best shop window view I ever had was on the 29th floor of the ITM building in New Orleans, overlooking the Mississippi River as it ran through downtown New Orleans. On a real clear day you could...
  18. I am not a doctor, but as far as I know, your...

    I am not a doctor, but as far as I know, your eyes do not adopt or change to the lenses you use. If they did, eye doctors could prescribe lenses that go in the opposite direction and correct your...
  19. Replies
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    Rereading this thread, I would bet that a paper...

    Rereading this thread, I would bet that a paper cutter would do just fine. They work fast and they come with fences.

    As for it getting dull, sharpen it a few times and then toss it and get a new...
  20. Replies
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    I have seen and driven through those lights in...

    I have seen and driven through those lights in the San Jose area. They are NOT at the end of the on ramp. They are back a ways so you still have a bit of a distance to accelerate in. And yes, they...
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    I seem to recall back in the 50s there was a big...

    I seem to recall back in the 50s there was a big thing about going all electric in homes. It didn't have anything to do with the present concerns about the environment, just a push by the electric...
  22. Replies
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    Ice Cold Shops: WHY no Heaters?

    Why are there so many shops that have little or no heat?

    We will spend tens and even hundreds of thousands of dollars on the machines pursuing goals like efficiency, accuracy, and capability....
  23. Some thoughts on this: The actual display was...

    Some thoughts on this:

    The actual display was suggested as the problem. I don't doubt that a display can go wonky at temperature extremes, but it would likely show erratic style problems like...
  24. Replies
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    Have you tried Boker's? They specialize in custom...

    Have you tried Boker's? They specialize in custom washers and shims. They must have a tremendous stock of shim materials as well as suppliers who can handle whatever they want. They can probably...
  25. Replies
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    I would think that is a milling cutter. These may...

    I would think that is a milling cutter. These may be the modern version:

    McMaster-Carr

    Scroll down about 1/5 of the page.
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