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  1. M

    Master cut off switch for 12 volt?

    Several types, simple on-off and three position... http://m.littelfuse.com/industries/commercial-vehicle/cole-hersee/switches/battery-disconnect-switches.aspx
  2. M

    Compressed air & pvc

    Claymont, do you think I’ll be ok using pvc for a system of three 1,500 hp Centacs? Somewhere around 40,000 scfm @ 120 psig. I can let you know when it starts up, might want to seek shelter
  3. M

    How to Find Property Marker Behind House

    Plus, a very long tape measure or wheel. Go to your township office and ask for the property dimensions. If you know anyone in real estate,they can get the property dimensions as well. Just did this, took about 20 minutes on a 3/4 acre lot.
  4. M

    Stainless steel air compressor line

    Partially true. Radiation is only part of the total heat transfer from a pipe to air. Convection is the other, which utilizes the coefficient of heat transfer referenced.
  5. M

    Quality hot glue gun?

    Agree on the Arrow TR550, served me well for 25 years. Put at least 100 sticks through it in those years. The 3M ones are aimed at industrial applications, and priced accordingly. The battery powered ones look tempting, but replacing the battery can be pricey.
  6. M

    Solid bottom in window well??

    First house had a rectangular, concrete window well, solid bottom. Filled very quickly and leaked in through the windows. Tried grading, external drains.... Final solution was to drill through the foundation wall at the bottom of the well and install a drain line. Ran along the walls...
  7. M

    very small wire brushes

    Countless types: https://www.mcmaster.com/#tube-brushes/=19yq18y https://www.mcmaster.com/#detail-applicator-brushes/=19yq38q
  8. M

    Old compressor tank - hydro or not?

    Check your private messages, I can send the ASME / API "Fitness For Service" code to your email. As an engineer, the calculations will be straightforward. Mooky: MSME API 570 / National Board Inspector AWS CWI
  9. M

    Best tube grease

    From the machinery lubrication article: The compatibility of polyurea greases with soap-thickened greases is probably the most debated area of grease compatibility today. Greases based on simple lithium soaps (lithium stearate or lithium 12-hydroxystearate) and lithium complex soaps (containing...
  10. M

    Best tube grease

    Mixing different types will cause issues, maybe not in your ballpoints or lawn tractor, but industrial users & tribologists are very aware of the issues. This chart in this article shows the interactions between different type thickeners. From this article discussed earlier...
  11. M

    Armstrong and other striking wrenches

    Common sizes for petrochemical equipment. Old school, replaced with HyTorc tools in my plant (but still around just in case).
  12. M

    Sharpener

    https://www.dmtonlinestore.com/Double-Sided-Diafold-Diamond-Sharpener-P29C10.aspx Looks like the current version has clear covers.
  13. M

    Quincy 230 rebuild - penny wise dollar foolish

    Clean the inside with EvapoRust or similar. They are chelating compounds typically used in boiler feed water treatment. Remember if you weld to the pressure containing vessel, it should be done by a qualified welder (technically....). The outlet should be welded and tested afterward. The...
  14. M

    Want to buy well made non china shop vac!

    Made in USA: https://www.metrovacworld.com/
  15. M

    Are Vise Prices Getting Out of Hand?

    Looks like I'll be grabbing the dozen Wilton bullet vices at work, before we demolish our machine shop.
  16. M

    Good source for 4.8v metabo batteries

    Let me check battery # tonight. I have the screwdriver set similar to your drill, plus two new batteries in the boxes never used. PM me.
  17. M

    Ceiling Mounted Ladder Holder???

    Two hooks, two pulieys, rope and a cleat. One end in the hooks, hoist the other up and tie off at the cleat. Less than $20. Tried it with four hooks, tough to do with a heavy fiberglass ladder by yourself.
  18. M

    Generator Transfer Switch

    Do a search for "transfer" on this forum. Hundreds of threads here. My 7,500 watt generator is hooked up via this transfer switch. Gives you a good price point to check your electrician's estimate. DIY instructions on the site if you're so inclined...
  19. M

    Very low profile ratchet and sockets

    I have this set: https://www.amazon.com/dp/B010TVHBH4/?tag=atomicindus08-20 Let me know if you're interested, like new with hex head set.
  20. M

    Leroi - Dresser 550A Air Compressor with 10HP 3p Motor - my next project

    If you need parts and want the valves professionally rebuilt, contact this company, local: http://www.hi-techcompressor.com/ Smaller than they usual work on, but the process to rebuild and test is the same. Some of the photos & testimonials on the site are from me.
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