Recent content by SmithDoor

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  1. SmithDoor

    How tight??

    I have a mill with #2 Morse I use a Tang and a draw bar. It is 1/4” NC tap in the Tang The holders that have a 3/8” NC just made thread in Tang with a 1/4” tap hole for the new draw bar. The holder do not turn If hard to get out I just a drill drift. I have drawing and photos here in...
  2. SmithDoor

    vacuum for use on a lathe

    It would great But the cost is hight. A simple bathroom or kitchen fan from Home Depot will work and under $100.00 I used vacuum for chip removal and if put vacuum outside it quiet too. Then only the neighbors CAT 🐈 will be mad at the sound Dave
  3. SmithDoor

    Looking for a old light bulb

    There also 32 volt bulbs too. The bulbs was used in homes with out the power company up to 1930 on larger batteries using a small gas generator. The good news the odd voltage bulbs use same socket as 120 volt bulbs or some cases automotive sockets. At one time may still use 24 bulbs in big...
  4. SmithDoor

    Looking for a old light bulb

    I would change to 12 volt and use 12 volt transformer. You just use a low cost battery charger from Harbor freight. Bulb from the Auto supplier like Walmart. I have used RadioShack but not here more . I do use Jameco Electronics - Electronic Components Distributor since 1980's . They most parts...
  5. SmithDoor

    CNC Coil Winder / Cam Grinder

    A pedometer is electronic too. It is not that avoid computers it just why make it so hard for simple project. I just finished writing a program for Paint Yahtzee add in 3 of kind and small straight. Now it uploaded to internet for all Dave
  6. SmithDoor

    vacuum for use on a lathe

    just put the vac out side and use a long hose Dave
  7. SmithDoor

    Drilling and tapping carriage for rear tool post

    The only time I use rear tool post was on long runs on turret lathes and screw machines On engine lathe I use a quike change tool post for short runs The rear tool post just would get in the way Dave
  8. SmithDoor

    Looking for a old light bulb

    It looks like a auto light bulb I would change to a newer type of socket so buy low cost bulbs Dave
  9. SmithDoor

    vacuum for use on a lathe

    The vacumm is better air for cleaning The air will blow chips in to bearing In my shop the air was band for cleaning lathes and mills Just rebuild a machine tool and find chips ever where I use low cost shop vacumm Dave
  10. SmithDoor

    1/2 inch by 11 thread bolt ????

    I have only seen one 1/2" 11 bolt and nut I do not know why it was made but it was a odd ball for bolt and nut I try find out and used books on threads dating back to 1910 and was not listed Dave
  11. SmithDoor

    wanted copper tube

    I would look at stainless steel tub. Lower in cost and find more place that has short pieces. They will though away as Dave
  12. SmithDoor

    Copyright !! Again.

    It is call CPR But trying to find someone to do mouth to mouth on a horse Dave
  13. SmithDoor

    wanted copper tube

    Find a old plumper They keep copper pipe for ever. There are places like McMaster Carr that sells small pieces but the price is high Dave
  14. SmithDoor

    CNC Coil Winder / Cam Grinder

    I just use as counter and lathe . It has work for me over 50 years. It simple way ,I have lathe and today any can use a padmeter you buy one at dollar store https://www.ideastage.com/Translucent-Pedometer-383104336 Dave FYI I have built a cut to length machine for cos of steel using computer...
  15. SmithDoor

    Copyright !! Again.

    Copyright is good for about 125 years for Corp and 75 years after the writer's passing. Charts and tables can not have a copyright. Nothing be for 1925 has copyright this includes the great photos you see of engines and tool that you see all books that, only the writing in the book have...
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