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  1. cobra

    How to Cool a sealed 10 gallon container?

    https://www.theverge.com/2020/9/14/21436746/microsoft-project-natick-data-center-server-underwater-cooling-reliability
  2. cobra

    25 HP Nash

    Nice work
  3. cobra

    Cringle boiler build.

    Great documentation.
  4. cobra

    Glow Ignition Racing Engines

    Another great source of information on tuning two stroke engines including design of the exhaust. http://www.vintagebikebuilder.com/jennings-two-stroke-handbook.html#:~:text=Gordon%20Jennings'%20Two%2DStroke%20Tuner's,addition%20to%20any%20mechanic's%20library.
  5. cobra

    Pewter

    Modern Pewter is tin (91%), Antimony (7.5%), and Copper (1.5%)
  6. cobra

    Where to buy acrylic sheet in the US?

    Try your nearest glass shop. They usually carry plastic as well.
  7. cobra

    Gloves in a Bottle

    This has been a very Monty Pythonish discussion. ;)
  8. cobra

    Free ball bearings

    Can always make use of small bearings. 10 or 20 depending on the demand. Can paypal you for the postage. jim dot pomeroy at gmail dot com. Thanks for the offer. Jim
  9. cobra

    robust industrial shelf construction tip

    Unless you're getting the material for free, you would be better to check one of the discount stores like Costco for heavy duty shelves. I picked up a set for car parts that has six shelves that will hold 800 lbs. Comes with either feet or casters for less cost than the material to make the frame.
  10. cobra

    Parting made easy

    I certainly like the carbide tipped blades. I built this holder for 26mm blade that fits my QCTP. Makes parting a breeze. Jim
  11. cobra

    Hello from Nova Scotia

    Welcome Glen
  12. cobra

    Head vs Knee

    Is there a view on the pros and cons of knee mill arrangement vs moving head?
  13. cobra

    Reamer set - hand or power?

    They are meant to be used under power either in the tail stock of the lathe or in the mill/drill Jim
  14. cobra

    Collets

    Looking at a bench mill from Grizly, Busy Bee, or Sieg. 1.5 to 2 HP R8 spindle.
  15. cobra

    Collets

    Looking at a new mill. Why would I select ER32 collets vs ER25 or ER 16? Thanks Jim
  16. cobra

    Starrett Mic

    I got the same hint from another site. Sure enought,the battery dimentions are not even close! Amazing that you can have exactly the same number and have such variation in dimentions. I will go looking for other batteries. Jim
  17. cobra

    Starrett Mic

    Thanks for the hint. The new battery was the same number but different maker. I will check.
  18. cobra

    Starrett Mic

    I have a relatively new (5 months) 734 Starrett electronic micrometer. This morning the display faded and quit. Thought it must be the battery. Picked up a new battery but the display is still dead. Any clues? Is there some combination of buttons that sets contrast or turns the display off?
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