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  1. Thread: Recession?

    by jim rozen
    Replies
    378
    Views
    37,726

    NIce try, it was that moron george w bush, and...

    NIce try, it was that moron george w bush, and they want to iraq.

    Mission Accomplished!
  2. Replies
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    768

    I missed the boing motion - it,s not a fluxgate.

    I missed the boing motion - it,s not a fluxgate.
  3. If the insert edge blows up, SFPM is simply too...

    If the insert edge blows up, SFPM is simply too fast. Slow the spindle down, look at the recommended
    number for that material, carbide tooling. I suspect it will one or two hundred RPM. Feed...
  4. Thread: Recession?

    by jim rozen
    Replies
    378
    Views
    37,726

    Was nearly paid off during Bill Clinton's...

    Was nearly paid off during Bill Clinton's presidency.
  5. Replies
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    768

    Looks to be two (counter-wound?) coils on a...

    Looks to be two (counter-wound?) coils on a ferromagnetic core, one pair of wires visible.
    For it to be a fluxgate there has to be a drive coil pair and a sense coil pair, not visible in that...
  6. "And lose half (or more) the motor power when...

    "And lose half (or more) the motor power when pretending you have the low-speed motor..."

    Dahlander wound motors *are* half the hp at the half speed connections. Best approach for these is indeed...
  7. Replies
    12
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    768

    Not a hall sensor, might be a fluxgate: ...

    Not a hall sensor, might be a fluxgate:

    Magnetometer - Wikipedia

    Tapered split-collet knobs have been around since the 1920s, at least, I have several radios with
    that feature from that time.
  8. Thread: Recession?

    by jim rozen
    Replies
    378
    Views
    37,726

    "Kind of like a family living on credit cards and...

    "Kind of like a family living on credit cards and thinking -- hey, we must be really smart to be doing so well?

    Repblicans - your tax and spend experts.

    When the criminals are not busy...
  9. "Cutting metal is the lowest order of the...

    "Cutting metal is the lowest order of the job..Work holding and alignments take precedence."

    It's like painting. All the work is in the preperation. 90 percent of the time spend prepping the...
  10. Replies
    5
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    523

    http://www.mwdropbox.com/dropbox/jrr_toolbit.jpg

    http://www.mwdropbox.com/dropbox/jrr_toolbit.jpg
  11. Replies
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    7,567

    Small loop system like that would mostly...

    Small loop system like that would mostly thermosiphon. My original hydronic heat in this house didn't use circ pumps in the
    coal-fired boiler. It still thermosiphons in the summer, backwards! ...
  12. I suspect the loopy leg bench was only ever used...

    I suspect the loopy leg bench was only ever used for 10L machines. The underdrive unit had been brass welded, IE brass brazed. My guess is that even given
    the incorrect fixturing of the two...
  13. Replies
    71
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    3,489

    Or just put it out of its misery.

    Or just put it out of its misery.
  14. This is a looped pipe leg bench, yes? Different...

    This is a looped pipe leg bench, yes? Different than mine which is sheet metal so I suspect my hole locations would
    not work for you. My only suggestion is to open up the holes so they are round,...
  15. "Leave it on full speed and control with the...

    "Leave it on full speed and control with the VFD."

    +1, this is the way to do it.
  16. Replies
    71
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    3,489

    [QUOTE=Limy Sami;3491579]And which lathe do you...

    [QUOTE=Limy Sami;3491579]And which lathe do you own ...

    He already supplied the answer: he's all hat and no cattle.
  17. Replies
    11
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    1,132

    Also my Pratt Whitney milling machine: ...

    Also my Pratt Whitney milling machine:

    http://www.mwdropbox.com/dropbox/pw_usn_stamp.jpg
  18. Replies
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    3,489

    This entire thread belongs in the SB forum. Or...

    This entire thread belongs in the SB forum. Or maybe just lock it.
  19. Replies
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    910

    The threads are very clean - try this with the...

    The threads are very clean - try this with the typical chuck with chips embedded in the threads.
    Also suggest you repeat the test, with an 8" long extension on the workpiece.
  20. Replies
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    2,028

    [QUOTE=Jersey John;3488474]Well, there is a...

    [QUOTE=Jersey John;3488474]Well, there is a contradiction here! Yelling is not teaching and receiption to learning will be zero.

    Right. Much better to simply hit him when he does it wrong.

    Do...
  21. Replies
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    2,822

    " One of the watch repair skills is being able to...

    " One of the watch repair skills is being able to sharpen tweezers with oil stones if the tips get bent or broken. "

    Rule of the world: they always land point down.
  22. Replies
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    42,736

    +1 sodium carbonate. AKA washing soda from the...

    +1 sodium carbonate. AKA washing soda from the supermarket.

    De-rusting bike tanks: put a cupfull of random nuts and bolts inside. Wrap tank in pillow(s),
    put in clothes dryer. Run on...
  23. Replies
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    4,291

    Those actually went around two or three times....

    Those actually went around two or three times....
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    [QUOTE=thermite;3487862] South Bend spindles -...

    [QUOTE=thermite;3487862]
    South Bend spindles - "Iron bearing" ones even from early days - were always rather GOOD, even for light, cheap lathes.

    Not just southbend, but any lathe with a threaded...
  25. 10-32? I did not know they made bolts that big....

    10-32? I did not know they made bolts that big.

    IBM (atoms) - Wikipedia
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