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  1. For residentail wiring there are only three...

    For residentail wiring there are only three colors. Green(or bare) which is safety ground.
    White which is the neutral, used for 120 volts.
    Any other color is hot, connected to the power pole....
  2. Many coolant pumps, lights/ fans are 120 volts....

    Many coolant pumps, lights/ fans are 120 volts. So I would include a neutral just in case.
    For remodels the NEC allows you to add a separate ground wire and run it along side the existing cable...
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    I had an old tin box/rack set with maybe 6...

    I had an old tin box/rack set with maybe 6 sockets. They nested in a tin trough and a small hex key 5/16? locked them in place so they could not fall out. That same hex key was the drive handle....
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    I have read that when they first measured the...

    I have read that when they first measured the height of Mt. Everest it came to exactly 29,000 feet tall. They added a couple of feet to the height in the official report because they thought people...
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    I am 61 and I thought it was Britain...

    I am 61 and I thought it was Britain converted/round off the inch to be a round number of metric well before the USA. decades latter the USA rounded off their inch to the same decimal in metric. ...
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    They make what they call roof ballast mounts. ...

    They make what they call roof ballast mounts. Each mounting point is weighted down with concrete blocks. Has to be engineered for wind/snow/tornado forces for each installation. Sounds expensive...
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    My utility had too many solar homes so they...

    My utility had too many solar homes so they dropped the electric rate but upped the monthly meter charge. I believe it is about $40.00 a month just to be connected to the power line. Net effect for...
  8. Thread: Air Machine ?

    by Bill D
    Replies
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    532

    Five years ago? In India there was a company...

    Five years ago? In India there was a company that was going to make a make a small air powered car. it would have tanks of compressed air and an air motor. Never heard any more about it. Might...
  9. Thread: Cable Saw

    by Bill D
    Replies
    38
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    1,596

    When I saw cable saw I thought rock saw in a...

    When I saw cable saw I thought rock saw in a quarry like this one or bigger. Or the chain saw to cut ship apart for scrap.
    Bill D

    Diamond wire sawing machine for Quarry stone cutting -...
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    AFAIK they are all aluminum framed panels. So is...

    AFAIK they are all aluminum framed panels. So is stainless the best hardware to resist electrolytic corrosion or is galvanized good enough. I would not trust plastic in the sun for decades.
    Bill D
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    Price the hardware. every little clip is 3-5$....

    Price the hardware. every little clip is 3-5$. and you need at least 4 per panel or more. Plus the aluminum racking adds up fast.
    Bill D
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    Solyndra tubular solar panels were designed to...

    Solyndra tubular solar panels were designed to sit on little brackets and not blow off flat roofs. No tie downs needed.
    Bill D.
  13. Thread: Cable Saw

    by Bill D
    Replies
    38
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    1,596

    My understanding is any scrap yard caught with...

    My understanding is any scrap yard caught with any railroad stuff must show paperwork documenting where it came from and who with they have it. Some thing like one railroad spike or a foot of rail. ...
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    In the USA no vaccine has been approved for use...

    In the USA no vaccine has been approved for use in humans. It is all under emergency special temporary okay. So How come colleges are talking about all students and teachers must be vacinated...
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    Qualters & Smith Sawmaster Terrier Hacksaw -...

    Qualters & Smith Sawmaster Terrier Hacksaw - YouTube
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    It was too hot so I had walmart change then oil...

    It was too hot so I had walmart change then oil and filter on my wife's Ford Contour. To do the filter one front wheel has to come off. I am sure they used an air wrench to put on the lug nuts. ...
  17. Thread: The Pacific War

    by Bill D
    Replies
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    1,645

    My friend's father was in a BB turret during ww2....

    My friend's father was in a BB turret during ww2. When they took them out of mothballs in the 1980's no one was left in the navy who had actually fired one. They asked his father to come back as a...
  18. I have seen similar toys mounted on a tall coil...

    I have seen similar toys mounted on a tall coil spring. A flat spring is less likely to catch and crush little toes and fingers. The ones I have seen have more then 2-3 inches between the coils. I...
  19. Off Topic: Tough decisions?, quantum physics to the rescue

    Heard about this on public radio. Universe splitter, Face a tough decision and use this method to choose. I do not understand the math but quantum physics says that using a single photon bouncing off...
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    Scratch to me means it does not have to be...

    Scratch to me means it does not have to be straight or any particualar orientation. I would suggest a hammer and blunt chisel with a land machined on the end at the correct height.
  21. Little porta pull ram with a hollow cylinder. I...

    Little porta pull ram with a hollow cylinder. I think that is the correct name as previously described.
    Bil lD.

    Why bigger then you need but it is a good picture....
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    would lye do the same thing in reverse?

    would lye do the same thing in reverse?
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    [QUOTE=EmanuelGoldstein;3744100]California...

    [QUOTE=EmanuelGoldstein;3744100]California locomotive.
    I never knew Lima Ohio was part of California. Must have left before my time.
    The original freedom train in the 1940's was banned from some...
  24. I understand my Harrison m300 lathe was designed...

    I understand my Harrison m300 lathe was designed around 1970 as an all metric machine. But they made english versions with wierd leadscrews and cross feed screws.
    Rather then make any changes to...
  25. They probably figure the door seals leak so they...

    They probably figure the door seals leak so they have you place some extra insulation inside the door to prevent drafts and cold spots.
    Bill D
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