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  1. Replies
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    Barrel Length Measuremwnts

    Why doesn't the cylinder length count in barrel length in a revolver? For that matter, why isn't chamber length deducted from a rifle's measurement? The bullet doesn't start from the breech face.
    ...
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    You got it. As they say about only counting with...

    You got it. As they say about only counting with horseshoes and hand grenades, in a lot of work "close" means "wrong." The machinist I cited in my last post was mostly making one of a kind production...
  3. Thread: OT Oz wildfires

    by 9100
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    The road to hell.................. Bill

    The road to hell..................

    Bill
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    A recent study concluded that the more satisfied...

    A recent study concluded that the more satisfied a person was with his or her work, the poorer the quality actually was. The best workers were never satisfied. I had the somewhat mixed privilege of...
  5. Thread: OT Oz wildfires

    by 9100
    Replies
    31
    Views
    1,777

    I have read that pre-european takeover the...

    I have read that pre-european takeover the aborigines had a controlled burn program. The St. Louis area Nature Conservancy has had one on their lands for a number of years.

    Bill
  6. An amazing piece of work. Pretty much settles the...

    An amazing piece of work. Pretty much settles the question with real data instead of guesses. One surprise was how much velocity a .357 mag can get in a 2" or 3" barrel. Of course the muzzle blast...
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    Newman, there are circumstances where the machine...

    Newman, there are circumstances where the machine makes a difference. There are things I would do and recommend on my 9,000 pound Boston Digital CNC mill that would be disasterous if someone was...
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    In the end it devolves to the statement that I...

    In the end it devolves to the statement that I can't define pornography but I know it when I see it.

    I have run a 10K all I ever want to, have thousands of hours over 40 years on a 14 1/2" South...
  9. I was specifically referring to Olympic rapid...

    I was specifically referring to Olympic rapid fire pistols where an additional mechanism would be kept clean and serviced. As close as those contests can be, a few degrees less of muzzle jump could...
  10. I wonder if a weight could be made to move,...

    I wonder if a weight could be made to move, probably operated by the slide or gas that would cancel some of the upward recoil. One that moved with the slide and back when the slide returned to...
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    You could do that. Have a couple of questions in...

    You could do that. Have a couple of questions in the sign up process that have answers in the rule stickies.

    Bill
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    I agree. If anything needs to be changed, it is...

    I agree. If anything needs to be changed, it is some people's attitude. Professionalism carries with it standards of behavior. Robert's Rules of Order, the rules of formal debate, and so on, have...
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    Last question, I hope. Where this has ended up is...

    Last question, I hope. Where this has ended up is with a contactor controlling the power to the VFD and a couple of timers, one putting a delay on startup and the other holding power on for the...
  14. The .44 Magnum came about because Elmer Keith...

    The .44 Magnum came about because Elmer Keith loaded .45 long Colts up to where they bulged the bolt cuts in his SAA which has the cuts in the center of the chambers instead of being offset to a...
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    On the transformers, phase converters, VFD forum...

    On the transformers, phase converters, VFD forum we have this problem in a different way. Many of the questions are from people who are definitely working machinists and qualify for PM but don't know...
  16. I would never have thought that rim thickness had...

    I would never have thought that rim thickness had more than a trivial influence on accuracy. This confirms my overarching statement of the principle of the universe, which applies to quantum...
  17. It was a long time ago and the ammunition has...

    It was a long time ago and the ammunition has changed, but I also found a measureable difference between Eley match and practice ammo but the difference was so small that practicing with it was...
  18. Re extra gasses disturbing accuracy, I did some...

    Re extra gasses disturbing accuracy, I did some tests with my Browning Medalist .22 pistol. I clamped the barrel in a milling vice, with appropriate padding to prevent damage to the finish, and fired...
  19. I agree, Bill

    I agree,

    Bill
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    This isn't about servicing the machine. It has...

    This isn't about servicing the machine. It has the normal lockable disconnect. I am referring to the normal start-stop like making a pass, stopping and measuring the diameter, then making another...
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    This is hearsay from a not especally reliable...

    This is hearsay from a not especally reliable source, but I have been told that the 1N4xxx series was originally selected for voltage because the manufacturing process was not that well stabilized....
  22. If you want a more recent example, how does 1982...

    If you want a more recent example, how does 1982 sound? Google "Discovering Dominga".

    A book about St. Charles, MO, just across the Missouri River from where I live, that I am reading says that...
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    Another question. The drive I have is a...

    Another question. The drive I have is a Mitsubishi FR-A520, unused but probably 10 years old. Is it more likely to be damaged by switching its output than a later one?

    Bill
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    That would do it, use the existing contactor for...

    That would do it, use the existing contactor for the disconnection and connect the existing forward-off-reverse switch to control the VFD. The operator tells me that they always shut off the main...
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    One day I came upon a girl I knew who worked in...

    One day I came upon a girl I knew who worked in the produce department of the grocery store. She looked almost in tears. I asked what was wrong and she said that she couldn't handle the way people...
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