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  1. Replies
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    With the holder just hanging on the dovetail? ...

    With the holder just hanging on the dovetail?

    I've had mine either vibrate loose ... or I forgot to tighten it ... and it cuts just beautiful. Insert OD turning tools mostly. 4140PH, 416, maybe...
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    2,057

    Dad had a bar ground from a long 3/8 square bit....

    Dad had a bar ground from a long 3/8 square bit. He hung the carriage lock wrench on the tail end of it to kill the chatter.

    'But, that's completely on the other side of the toolholder and screws....
  3. How big a lathe? What kind of toolpost? Can you...

    How big a lathe? What kind of toolpost? Can you get a 3MT holder for it? Not cheap, but comes with a free power feed.
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    Pretty sure the first integrated silencer i ever...

    Pretty sure the first integrated silencer i ever saw was on a Browning. Great minds... ???
  5. I think I'd find a desk mounted to real machine...

    I think I'd find a desk mounted to real machine more useful.
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    443

    Without looking at the step file, I'd guess the...

    Without looking at the step file, I'd guess the c'bore is so you can use an M4 thru the M6 tapped hole. There's something in the description about 50mm patterns for both.
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    1,348

    The battery on mine is soldered in. I assume they...

    The battery on mine is soldered in. I assume they all are. Just order a new one, from one of the Fadal parts suppliers. They're not expensive.
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    Leave the CS in the center, and set the home...

    Leave the CS in the center, and set the home position at 7.5. Easy to change back to 8 if you want the table closer without it. Just need to remember.
  9. Replies
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    1,898

    City landfill, 45+ years ago. Someone had left...

    City landfill, 45+ years ago. Someone had left it, face down. Don't remember what I hit it with, maybe a chunk of concrete, on the backside. The glass is thinner there. Nice pop and a shower of...
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    Never threw a brick at a TV tube, eh?

    Never threw a brick at a TV tube, eh?
  11. Replies
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    1,898

    Re glass jars, girl I worked with on composites a...

    Re glass jars, girl I worked with on composites a couple years back told me they used pickle jars for vacuum infusion. But they're only good for 4 or 5 ops before they implode.
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    I was gonna suggest that as well, then considered...

    I was gonna suggest that as well, then considered it might put you on a terrorist watch list ;-) Probably safer to go the hash pot way.
  13. Replies
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    I've got 1.665 from the flange on the breech...

    I've got 1.665 from the flange on the breech extension to the back of the adapter.

    318126318127318129
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    Personally, I'd hate to block Donie. He has in...

    Personally, I'd hate to block Donie. He has in the past posted some clever, although perhaps over the top complicated, setups to machine various engine components. Inspiring? Maybe. Thought...
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    I'd look at plunging them with a 1/4" 4ft with a...

    I'd look at plunging them with a 1/4" 4ft with a corner radius. It will probably be a thou or more undersize. Theres a possibility a 10-32 shoulder screw would fit ok. They're usually a bit under. If...
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    581

    A thin wall like that is going to cool off really...

    A thin wall like that is going to cool off really fast when it touches the shaft. So you'd need a fair amount of 'clearance', IOW, as hot as you can stand it, and still need to get it on there quick....
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    Yes, but not a single 'Gentleman'. Not nearly...

    Yes, but not a single 'Gentleman'.

    Not nearly as big as you'd like, but likely as accurate as you'd need:

    https://lambtoolworks.com/square
  18. Replies
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    Which is why I sawed the breech off the original...

    Which is why I sawed the breech off the original barrel and shipped it along with the 1897 action I sold awhile back. Besides, the rest wasn't worth saving, or the shipping cost, anyway.
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    That was in context with milling the threads....

    That was in context with milling the threads. Sorry. Single pointing, or tapping will do it. Milling, with a round cutter obviously, results in the leading and trailing teeth going out of bounds of...
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    Oh, BTW, you can't generate a 'perfect' square...

    Oh, BTW, you can't generate a 'perfect' square thread internally even by milling with the cutter inclined to the lead angle. It's always going to have angled (actually curved) sides to it. But as...
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    Just my opinion, but I think the square threads...

    Just my opinion, but I think the square threads were a manufacturing benefit. The precise depth of the threads doesn't matter in terms of the barrel and receiver clocking up properly. The threads are...
  22. Yeah, yeah, yeah ... they were the only one with...

    Yeah, yeah, yeah ... they were the only one with a local reseller I could pester. And then they closed up ...

    So, it's back up. The used MB fired right up, I chose default bios, and it went to the...
  23. Replies
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    The only reason I know of to not leave a tool in...

    The only reason I know of to not leave a tool in the spindle, is that if it was running long enough to get hot, the tool can get shrunk in as it cools down, making it difficult to change out.
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    First couple weeks in Trig, I immediately saw the...

    First couple weeks in Trig, I immediately saw the application of basic sin/cosine for ...

    Hole patterns! I can calculate X and Y coordinates with this!

    Beyond that, I was pretty well lost....
  25. Not confusing at all, and greatly appreciated. I...

    Not confusing at all, and greatly appreciated. I was just thinking of whether there's tach feedback from the cpu fan. It does run ... yes, and it won't start if the signal is low or absent. But it...
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