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Type: Posts; User: Bill D

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  1. Replies
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    3,187

    Golfing in Greenland is hard because it is so...

    Golfing in Greenland is hard because it is so easy to lose those little white balls in the snow and ice. I wonder if trump keeps his Golf scores with the same accuracy and consistency that he...
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    1,305

    When we go eat at a restaurant I pay the bill...

    When we go eat at a restaurant I pay the bill the credit card but I pay the tip in cash. It costs me the same to pay in cash and they do not lose money as they will if I tip by card.
    Would you...
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    3,187

    Trump might want to take over Greenland. Then he...

    Trump might want to take over Greenland. Then he could show global warming is a fraud. Once Greenland is part of the USA the average temperature in the USA will go down.
    Bill D
  4. Lathe toolpost grinder centerline orrientation

    This is a real simple question about using a toolpost grinder on a lathe to make a taper. Should the grinding wheel contact point be on the centerline similar to a cutting tool or does it not...
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    Fiberglass corrugated roofing sheet screwed to...

    Fiberglass corrugated roofing sheet screwed to plywood. Maybe a chain handle? look at a bank and see how the deal with rolls of coins.
    Bill D.
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    When I worked in a research lab years ago the...

    When I worked in a research lab years ago the custodian told me she was not allowed to touch the top of the lab tables. She cleaned the floor, windows, bathrooms, hallways etc. But anything on the...
  7. Bar should be at least one times dia. in...

    Bar should be at least one times dia. in engagement min. Above this you get no help but an added 25% is good as threads on both side may not be clean.


    For normal bolting up operations I always...
  8. Replies
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    556

    I have seen motors held with hose clamps to a...

    I have seen motors held with hose clamps to a channel iron frame. With some rubber strips under the strapping to stop it from slipping. Probably not a good idea above 1 horsepower or so.
    Bill D
  9. Several American makers, I know Walker Turner...

    Several American makers, I know Walker Turner which became delta, made drillpress heads designed to be clamped to a overhead beam. Basically like a floor standing drill press but with the floor...
  10. Could you rethread the shanks? Or take a regular...

    Could you rethread the shanks? Or take a regular drill and thread there shanks from round?
  11. Replies
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    For some reason people here laugh at me but I...

    For some reason people here laugh at me but I tell everyone they live in a seismic zone so bolt it down. If you want just finger tight the bolts just enough that it will not fall over in a quake or...
  12. Cinderblock walls, cast concrete roof. Hang...

    Cinderblock walls, cast concrete roof. Hang mineral wool on the inside. the door will need 100% gasketing.
    Bill D
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    A bit off topic but when did they stop tinting...

    A bit off topic but when did they stop tinting sidewalks with lamp black. In the 1950's sidewalks and driveways have a slight gray color. New concrete is just stark white and does not blend even...
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    I just had a new asphalt shingle roof put on my...

    I just had a new asphalt shingle roof put on my house in California. In Califorina the shingles must meet "cool Roof" specs. This means they have to reflect some heat so no black shingles allowed. ...
  15. I saw one nice conversion on a big drill press...

    I saw one nice conversion on a big drill press using a pull spring. Simple vertical mount to a bolted bracket up on top of the head. I have also seen such springs mounted horizontally front to back...
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    I do not see the trucks nose move down so he did...

    I do not see the trucks nose move down so he did not brake check the little car. All the cars stayed in relative formation except the little one who made the mistakes of changing lanes too fast and...
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    Cast your own precision straightedge then grind...

    Cast your own precision straightedge then grind and scrape to fit.
    Bill D
  18. There is a minimum rpm for a air pump. so that...

    There is a minimum rpm for a air pump. so that oil is splashed around enough. 400 seems too low to me. Ones with a oil pump it is probably a lower safe rpm. I would guess 600-900 rpm is a safe...
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    Seems to me the motor should always be underwater...

    Seems to me the motor should always be underwater so if any fluid leaks out water would leak back in when it cooled off. I think such motors are smaller then expected since they are liquid cooled...
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    Simple one cylinder steam engine, either slide...

    Simple one cylinder steam engine, either slide valves or wobble action. Run it on compressed air. A sterling engine seems like fun to me. Up to someone has made a full running model of a v12 Rolls...
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    If was mineral oil it would not evaporate over...

    If was mineral oil it would not evaporate over nite on your floor would it. Maybe it is some kind of silicone and it soaked into the floor. The cheap sump pumps for fish pond pumping out, flooded...
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    Does that Colchester do metric threads? Do you...

    Does that Colchester do metric threads? Do you care? How big is the bore through the headstock, bigger is better and more costly. It is easy to spend as much on tooling as for the naked lathe. A...
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    Internal calipers and a micrometer. Bill D

    Internal calipers and a micrometer.
    Bill D
  24. It is interesting to me that the Island of...

    It is interesting to me that the Island of Guersney where my paternal family came from is a big tax dodge for the British. I do not understand the law but they are not EU and not UK(exactly) so lots...
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    OP here: thanks for all the information. It...

    OP here: thanks for all the information. It looks like modern turbos run the boost to a constant absolute pressure so it stays the same absolute blown intake pressure at altitude. I asked because...
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