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Type: Posts; User: Bill D

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  1. A enterprizing person could set up PAC and raise...

    A enterprizing person could set up PAC and raise money to sue trump for fraud and what not in two months. Of course it will need to have a highly paid CEO and expensive offices with hot and cold...
  2. to anneal copper heat to red heat and cool at any...

    to anneal copper heat to red heat and cool at any rate. no need to quench unless time is a factor.
  3. IS there such a thing as flat knurling? Maybe...

    IS there such a thing as flat knurling? Maybe through two rollers one flat, one shaped. like a pasta machine.
    Bill D.

    How to Face Knurl with a Fly Cutter - YouTube
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    I would guess interferometer as most accurate. I...

    I would guess interferometer as most accurate. I think it is within one angstrom. Certainly in use in 1950.
    Bill D
  5. A pure O2 atmosphere has a number of significant...

    A pure O2 atmosphere has a number of significant advantages. the interior pressure is reduced so the pressure hull can be much lighter. The weight of compressed breathing gas is all usable not 80%...
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    Simple spark coil with 24 volts pulse dc in. ...

    Simple spark coil with 24 volts pulse dc in. Say 10 turns of wire on the input side with 10,000 on the output yields a theoretical 24,000 volts. Intermittent use so less worry about overheating...
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    I would guess 10-20k volts. Needs a ground to...

    I would guess 10-20k volts. Needs a ground to jump to. A local ground is good enough. Does not need to be bonded to the earth. I was surprised the ones on my BBQ actually had two fine wires in...
  8. Obidient? I do not think you have seen Shaun when...

    Obidient? I do not think you have seen Shaun when no one is looking. it is true that no one talks back on the farm. They do not have the vocabulary.
    Bill D
  9. Especially considering that I bought them used on...

    Especially considering that I bought them used on ebay for my woodworking router. I think depth of cut might have been an issue but all I remember doing is opening up the inner bore on some washers...
  10. When I first got my lathe I had a lantern tool...

    When I first got my lathe I had a lantern tool post, some tool holders and carbide endmills. I had no square tool steel so I put 1/4" endmills into the tool holders and tried things out with that. ...
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    OT: rebuilding Notre Dame Cathedral video

    PBS: Nova 53 minute episode.. about how Notre Dame Cathedral will be rebuilt. Engineering around a fire damaged stone building will be interesting to see what they come up with.
    Bill D

    Saving...
  12. Maybe in the next few months trump will dig up...

    Maybe in the next few months trump will dig up his mom and send the illegal alien back to where she came from. Maybe she is the one who taught him it is okay to lie on official documents, like...
  13. Ever heard of Tiawan? It has been an independent...

    Ever heard of Tiawan? It has been an independent country forever minus maybe 200 years.
    Bill D
  14. John Deere makes/made some small diesel...

    John Deere makes/made some small diesel lawn/garden tractors with an elctric clutch for various PTO's running 20 horsepower or so. I have heard a car air conditioner is 5 horsepower or so.
    Bil lD
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    There was one added onto a 16" radial arm saw at...

    There was one added onto a 16" radial arm saw at one high school. It made a god awful high frequency shriek that was painful to listen to. Like fingernails on a blackboard. Not super loud but...
  16. Thread: Chip fan

    by Bill D
    Replies
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    682

    Here I was thinking it was permanently attached...

    Here I was thinking it was permanently attached to the spindle with the tool sticking out below. Kind of like a endmill holder with a fan attached on the outside.
    Bill D.
  17. I heard on the radio that people are selling fake...

    I heard on the radio that people are selling fake negative covid tests. 100-300 dollars in Europe. Not sure of who buys them, travelers?
    Bill D
  18. My advice is increase the rpm and reduce the...

    My advice is increase the rpm and reduce the depth of cut. A stiffer machine can take deeper cuts. Maybe the last few passes need to be light spring passes.
    Bill D.
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    Once you get it right count the strokes of the...

    Once you get it right count the strokes of the file like 5 strokes each tooth or some such number. With a grinder maybe 1-2 seconds per tooth. File the rakers every 2-4 tooth sharpenings. Do every...
  20. Thread: vintage metal

    by Bill D
    Replies
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    1,526

    Pretty much all lead today has a higher count...

    Pretty much all lead today has a higher count then what comes out of the mines today. Lead is easy to remelt and reuse so anything used in shielding has been remade into modern stuff. It is also...
  21. I belive some older designs had a outside...

    I belive some older designs had a outside combustion air connection through the pedestal. maybe pulling from under the floor
  22. Same reason the US care so much about British...

    Same reason the US care so much about British stuff, We can understand what they are saying without a translator. Not like watching a poorly dubbed movie and paying more attention to the dubbing...
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    I bought a Harrison m300 lathe made in the...

    I bought a Harrison m300 lathe made in the 1970's. The relays and stuff was mostly Mockler made in Germany. I gutted all but the switch and connected a VFD since I do not have three phase. I...
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    EDTA will cost about 1/20 the price of evaporust...

    EDTA will cost about 1/20 the price of evaporust and for totally submerged work be as good. And EDTA is safe enough to eat. Which is recommended by some health food types. You do not need...
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    Make of old lathe on Craig's list

    I see a Lima motor plate and Peerless machinery dealer in LA. Any thoughts about the tee slots on the apron.
    Bill D.

    Lathe - tools - by owner - sale
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