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Type: Posts; User: Milland

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    I like his ambitions, don't like the ego. But as...

    I like his ambitions, don't like the ego. But as long as he doesn't go full "Bond villain", I'll deal with it.
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    I thought that was "In case of bear..." [and...

    I thought that was "In case of bear..." [and slower friend]

    As for Crude Dragon (sorry, Crewed Dragon), the last I heard was weather was about 50/50 for a Saturday launch, but there was a better...
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    OT - SpaceX Starship SN4 goes "boom"

    I'm sure some of you are following SpaceX's progress with their big f'n rocket, the Starship. The test section SN4 with one Raptor engine was on a test stand, and had just completed a ~1 second...
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    I've been on hiatus from my part-time instructor...

    I've been on hiatus from my part-time instructor job at MIT since early April. At this moment I doubt I'll be back before the start of the fall term, and have not heard anything about changes in...
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    Never have worked on this sort of lathe, but my...

    Never have worked on this sort of lathe, but my quick guess is you have to remove the pulley and key, then the front housing assembly and spindle pulls from the front, with the rear bearing housing...
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    Yeah, I missed that too. I've used regular LH...

    Yeah, I missed that too. I've used regular LH and RH turning tools to cut off major diameters, just working them in and swapping to get the cut done. Not fast, but it does the job.
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    You may want to use a specific cutting oil for...

    You may want to use a specific cutting oil for threading for this job, not the coolant. Bob knows much better than me, but I'd try a free cutting geometry with the idea that life is not critical,...
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    First confirm it's definitely the bearing(s), and...

    First confirm it's definitely the bearing(s), and where. Use a mechanic's stethoscope (carefully) around the headstock and in the general area to try to pinpoint where the noise is coming from.
    ...
  9. That's it - I'm giving up machining and becoming...

    That's it - I'm giving up machining and becoming a service tech. That's for me! The glamorous life of being hip-deep in metal chips and old coolant while on the phone with my supervisor about how to...
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    At some point you have to worry about the...

    At some point you have to worry about the "springiness" of the machine. If you get to a load where you start backing the drill up until there's enough force to bounce it forward then you'll have...
  11. CBN (and in my opinion, any abrasive finishing)...

    CBN (and in my opinion, any abrasive finishing) would not be appropriate here. Unless dealing with very hard versions of Ni alloys, almost all Ti and Ni sheet would be too soft for a CBN abrasive,...
  12. Sending you a private message.

    Sending you a private message.
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    Well, I misspoke (typed) in my previous post, it...

    Well, I misspoke (typed) in my previous post, it was #14 that had the last pic I was talking about. And my reason for thinking it's chromed is the edges of the flat and the slight "bleed" of chrome...
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    Hah - I was using this calculator: Lumber and...

    Hah - I was using this calculator: Lumber and Hardwood Weight Calculator - Inch Calculator with white pine, and didn't notice the fields defaulted to in, in, ft. I used inches all around and...
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    I remember those ads - Mrs. Seamonkey was sorta'...

    I remember those ads - Mrs. Seamonkey was sorta' hot...
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    If this chart for stainless works for chrome,...

    If this chart for stainless works for chrome, then brown is around 390C, or 734F

    Article: Heat tint (temper) colours on stainless steel surfaces heated in air [bottom of page]
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    2K+ lbs, surely?

    2K+ lbs, surely?
  18. Isn't the Haas pump a version of what Graymills...

    Isn't the Haas pump a version of what Graymills offers?

    Machine Tool Coolant Pumps - Industrial Coolant Pumps | Graymills

    I know they won't supply a direct replacement, but surely if you say...
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    I remember the cardboard space rockets and...

    I remember the cardboard space rockets and submarines one could order from the back of comics during the 60's. Does that count?
  20. Such an unbiased web source. Why don't you try...

    Such an unbiased web source. Why don't you try finding something a little closer to reality to pull from?
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    Yer freekin' me out, dude! That much power on a...

    Yer freekin' me out, dude! That much power on a chain, and you want to risk turning your engine into a medieval flail?! I just can't see it being wise to risk using that compromised part!

    Glad...
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    I get the impression the OP did not like the...

    I get the impression the OP did not like the advice he heard and has gone away.
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    This has the potential to be a legendary thread. ...

    This has the potential to be a legendary thread. I will follow with great interest. :reading:
  24. Not suitable for what the OP wants - he needs to...

    Not suitable for what the OP wants - he needs to clean the entire edge while holding good geometric accuracy for weld line fitment.
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    I believe this forum calls those "drill shaped...

    I believe this forum calls those "drill shaped objects". I keep a few around for when I'd rather failure be a bend, not break. But almost everything else is USA-made cobalt in jobber and stub. ...
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