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Type: Posts; User: Bob Engelhardt

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    I gilded a turd, as Don Foreman coined it. I...

    I gilded a turd, as Don Foreman coined it. I found a pretty-rusted honest-to-God Coes Monkey wrench at the dump. The rust was easily & quickly removed in muriatic acid, but the wooded grips were...
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    Auction heads-up (Nashua, NH)

    Last minute - closes tomorrow at noon. Inspection was last week, so pig-in-a-poke.

    https://www.bidspotter.com/en-us/auction-catalogues/timed/quaker-city-auction/catalogue-id-bscqu10152

    "Heavy"...
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    It's only wasted time if you're not having fun. ...

    It's only wasted time if you're not having fun. Having fun is the real criterion.
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    I would, but ... the "rack" is really a flat...

    I would, but ... the "rack" is really a flat surface with the teeth cut into it, so the hub has zero clearance.
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    On closer inspection, I found that the gear is...

    On closer inspection, I found that the gear is split! The splines aren't stripped - the gear is slipping by opening up. As there are a couple of other problems with this projector, I declare it to...
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    Nylon gear on shaft

    I have a Kodak slide projector with a focusing problem. Focusing is done by sliding the projection lens in and out. The sliding is achieved by a rack & pinion. The pinion is on a shaft rotated by...
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    There was one that started near me quite a while...

    There was one that started near me quite a while ago (>10 years?). I talked to the owner & brought up the insurance question. He said that wasn't the problem - the problem was the rent. He had to...
  8. It's pretty impressive that you were able to...

    It's pretty impressive that you were able to connect a #10 wire to that.
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    I sorry that I offended you. I never meant to be...

    I sorry that I offended you. I never meant to be personal, only to give advice: "It would be better with relief on the cutting edges". I suppose that I didn't need to argue it. Again ... sorry.
    ...
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    Nice drawings - they illustrate your point very...

    Nice drawings - they illustrate your point very well.

    But I don't think they accurately represent the cutter you made. I think its tooth angle is much greater than 6*. More like 25* or so - it's...
  11. Surely the witnesses would have heard that.

    Surely the witnesses would have heard that.
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    I don't think so. If it were true that all that...

    I don't think so. If it were true that all that was needed was the cutting edge to be at the largest diameter, why are all cutting tools relieved? You ever try to use a drill that didn't have...
  13. The P51 ride is now (or was) $2400 - $3400 for a...

    The P51 ride is now (or was) $2400 - $3400 for a 1 hour ride that includes hands-on flying.
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    When you have created cutting edges on the...

    When you have created cutting edges on the cutter, do you then put relief behind the edges? You don't say so, but maybe you did. It makes a huge difference in the quality of the cut.
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    354 pictures (mostly guns):...

    354 pictures (mostly guns):
    https://www.estatesale.com/sales/view/266667.html
  16. Excellent - thank you! It does indeed.

    Excellent - thank you!



    It does indeed.
  17. I've never seen a thread dial with 3 gears - why...

    I've never seen a thread dial with 3 gears - why are 3 needed?
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    Is it me or is there a corner about a 1/4 of the...

    Is it me or is there a corner about a 1/4 of the way from the right? Maybe that "... manually keep[ing] the needle on zero ..." is not as easy as it sounds?
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    Bin them - nobody will take them. I occasionally...

    Bin them - nobody will take them. I occasionally see an announcement of a collection-for-the-needy where items-wanted are listed. If "books" are wanted, there is almost always an "except...
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    Yeah ... NFPA 79 is the "Electrical Standard for...

    Yeah ... NFPA 79 is the "Electrical Standard for _Industrial_ Machinery".
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    Wire nuts - cheap, easy, effective, undo-able. ...

    Wire nuts - cheap, easy, effective, undo-able. What's not to like?
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    You're totally right ... I was careless in my...

    You're totally right ... I was careless in my thinking about "ground".

    It's a term that I've felt should be replaced in device circuits & reserved for earth ground. For instance, talking about...
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    Well, the bearings will be a parallel path to...

    Well, the bearings will be a parallel path to ground, so some current will flow. How much depends upon the relative resistances of the strap and bearings. Hard to say, but probably very little...
  24. How does that happen? Into cylinder & leak past...

    How does that happen? Into cylinder & leak past piston rings? Leak past crankcase vent valve?
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    I found a nice drone with video at our dump, NIB....

    I found a nice drone with video at our dump, NIB. Looked it up - it was $400 - $500 MSRP. It had a bad battery, but before buying one I got the owners manual & learned about its use. It used a...
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