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  • The Artful Bodger's Avatar
    Yesterday, 11:52 PM
    Paul, mine is like your illustration with the split block and it works well. I made divots for the screw so that I did not end up with a range of...
    12 replies | 301 view(s)
  • PStechPaul's Avatar
    Yesterday, 11:43 PM
    I have thought about making a boring bar holder like this: My QCTP has capacity for 0.94" thick tools and the center is 0.50" above the base....
    12 replies | 301 view(s)
  • boslab's Avatar
    Yesterday, 11:39 PM
    boslab replied to a thread Estimating tension on a pin in General
    Double thingy
    6 replies | 109 view(s)
  • J Tiers's Avatar
    Yesterday, 11:26 PM
    J Tiers replied to a thread Rusty old transmissions in General
    A few types apparently are magnesium, or a high magnesium alloy (or so we were told right here on the forum a while back). Could be "interesting" if...
    9 replies | 478 view(s)
  • boslab's Avatar
    Yesterday, 11:18 PM
    boslab replied to a thread Estimating tension on a pin in General
    The thickness of the web is providing the material that will provide the clamping force, it is essentially a beam with a neutral axis, the side of...
    6 replies | 109 view(s)
  • Video Man's Avatar
    Yesterday, 11:13 PM
    Saw something like this once, traced to a lump in the Asian drive belts. Got Goodyear, problem went away
    17 replies | 959 view(s)
  • boslab's Avatar
    Yesterday, 11:02 PM
    boslab replied to a thread QC gearbox for small lathe in General
    Spent some time pondering it once, there is no real need that it be fitted to the headstock really, it could be fitted at the tailstock end, however...
    8 replies | 166 view(s)
  • lakeside53's Avatar
    Yesterday, 11:00 PM
    I see lots of confusion much of which is the result of "neutral" being misunderstood. The physical neutral on the USA panel is meaningless for rpc...
    26 replies | 862 view(s)
  • J Harp's Avatar
    Yesterday, 10:50 PM
    Make another block similar to what you show in post 6. Find or make a shim of the thickness that you have found that the boring bar needs to be...
    12 replies | 301 view(s)
  • boslab's Avatar
    Yesterday, 10:49 PM
    boslab replied to a thread Plumb Bob in General
    Murcury is denser than steel, you can float a lump of steel in a bath of murcury, lighthouse lamps used this to keep them level and allow a little...
    10 replies | 480 view(s)
  • J Tiers's Avatar
    Yesterday, 10:41 PM
    Definitely, the "shoe" at least, seems to be bent copper sheet.... I thought it looked rusty, now I know why. Interesting.... maybe there is a...
    17 replies | 888 view(s)
  • J Tiers's Avatar
    Yesterday, 10:38 PM
    BOTH produce a good 3rd phase. Yes. The RPC produces a voltage with a phase that is mechanically set. Over on PM. Jim Rozen shows the output...
    26 replies | 862 view(s)
  • rdfeil's Avatar
    Yesterday, 10:32 PM
    Paul, I am not trying to start an argument, but your discription of 115-N-115 house power causes problems for people because it mixes references. ...
    26 replies | 862 view(s)
  • RichR's Avatar
    Yesterday, 10:24 PM
    Hi Rosco-P It doesn't, the cylinders do. Around here at least, I believe the number is 12 years from the date that is stamped into the cylinder.
    17 replies | 543 view(s)
  • j king's Avatar
    Yesterday, 10:23 PM
    j king replied to a thread QC gearbox for small lathe in General
    I did my atlas years ago. Fun project. Even made the rear cover to look like it should.
    8 replies | 166 view(s)
  • Paul Alciatore's Avatar
    Yesterday, 10:08 PM
    I am not sure what you are actually concerned about. The "clamping load" on the PIN will be compressive from almost all sides. It will try to reduce...
    6 replies | 109 view(s)
  • RichR's Avatar
    Yesterday, 10:07 PM
    Hi Galaxieman Yeah, I'm going to modify my initial statement a little. The cutting edge should be a little above the centerline so that if the...
    12 replies | 301 view(s)
  • The Artful Bodger's Avatar
    Yesterday, 10:06 PM
    Yeabut....the way I see it, after adding the third conductor any two conductors are still 180 out of phase with each other but if things are done...
    26 replies | 862 view(s)
  • firbikrhd1's Avatar
    Yesterday, 10:01 PM
    Do you do a lot of threading? The reason I ask is that many people want a QC gearbox because if the ease of changing feeds while turning. If that is...
    8 replies | 166 view(s)
  • Glug's Avatar
    Yesterday, 09:49 PM
    Glug replied to a thread Estimating tension on a pin in General
    Pin just seemed like an appropriate label. There are no significant shear forces. It is an object held in the hole by friction, and will be...
    6 replies | 109 view(s)
  • Paul Alciatore's Avatar
    Yesterday, 09:45 PM
    J says that a VFD produces very good 3 phase. And it creates all three phase outputs. And that Phase Perfect is just as good, but then goes on to...
    26 replies | 862 view(s)
  • ed_h's Avatar
    Yesterday, 09:40 PM
    ed_h replied to a thread Soldering a throttle cable. in General
    A caging tool and a solder pot would be great to have, but you can make good cables without them. Here is how I made all the cables for my Triumph...
    8 replies | 557 view(s)
  • Bob Fisher's Avatar
    Yesterday, 09:39 PM
    Bob Fisher replied to a thread The Impending Flood--- in General
    I have had a water powered back up sump pump for more than 20 yrs. Never needed it until the BIG blackout. Then we lost water pressure as well as...
    86 replies | 6582 view(s)
  • FETOAU's Avatar
    Yesterday, 09:37 PM
    FETOAU replied to a thread Estimating tension on a pin in General
    Glug, I am confused. Typically a pin is in shear. Can you post a pic that includes the pin and the direction of forces?
    6 replies | 109 view(s)
  • andywander's Avatar
    Yesterday, 09:30 PM
    digdug what town are you in? I'm in UBE....
    3 replies | 180 view(s)
  • PStechPaul's Avatar
    Yesterday, 09:28 PM
    PStechPaul replied to a thread Way Oil Question in General
    I intended to buy some SAE20W oil this evening but the only single weight oil available at Home Depot and Advance Auto was 30W. I have some cans of...
    13 replies | 833 view(s)
  • mhooper's Avatar
    Yesterday, 09:21 PM
    I have used "StayBrite" solder for attaching ends to throttle cable. (It is available over here at hobby stores and welding supply houses.) I use...
    8 replies | 557 view(s)
  • Don Young's Avatar
    Yesterday, 09:15 PM
    I, too, have studied the various methods you mention in my quest for metric threading for lathes already fitted with gearboxes. Depending on how much...
    8 replies | 166 view(s)
  • Jpfalt's Avatar
    Yesterday, 09:08 PM
    Jpfalt replied to a thread Estimating tension on a pin in General
    This isn't a beam deflection problem. It is a hoop, however the hoop has varrying section thicknesses around the periphery. One consideration is...
    6 replies | 109 view(s)
  • Don Young's Avatar
    Yesterday, 08:56 PM
    There is absolutely no difference between the representation or generation of three phase power from three 120 degree phased sources or from two 90...
    26 replies | 862 view(s)
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