Recent content by : JerryBowers

  1. J

    A new toy

    Very interesting find! In addition to the other advice, you need to find out what frequency the power is. Lots of military power was / is 400 cycles.
  2. J

    Ventless fuel cans

    As others report above, I really like the "NoSpill" brand cans. I currently have 2 of the 2 1/2 gallon for gasoline (straight and mixed) and 1 of the 5 gallon for diesel. I also have the extension nozzle that is used when fueling my SUV (or any vehicle) with a recessed filler pipe. I do cut the...
  3. J

    Shop Vac

    My old 16 Gallon Craftsman Shopvac lasted well over 25 years, with relatively hard use in both my shop and my hanger. The motor finally stopped working, with no parts available, so I retired it. About 6 months ago I saw a special on the new C'man 16 gallon Shopvac and bought one. It has...
  4. J

    Three Point on John Deere 790

    I took the flail mower off my neighbor's JD 790. Sharpened all the flails and am replacing it on the tractor. I see that the JD three point seems to be set up so that the lower arms push out, against the implement capture pins, to set the centering. My Kubota and several other tractors I have...
  5. J

    Type Abrasive Wheel for Sharpening Flail Mower

    Thanks for the information and suggestions! I'm going to get a couple of the 4 1/2" Steel Demon Grinding & Polishing Flap Disks. They are available in 40, 60 & 80 grit, and are pretty affordable at ~$8 each. Since I don't really need or want to remove lots of metal, I think I'll start with a...
  6. J

    Type Abrasive Wheel for Sharpening Flail Mower

    I need to sharpen the flails on a 5' mower. They are not severely damaged, but are definitely not cutting as well as in the past. I am planning to do it by disconnecting the mower from the tractor, rolling it over and sharpening with the flails still attached to the shaft, with perhaps a little...
  7. J

    12V double pole double throw switch

    I get my industrial switches from Del City: http://www.delcity.net/ They have a good variety of medium and heavy duty switches, with several operator styes and contact configurations, including DPDT Center Off, Momentary Contact. Good prices and quick service.
  8. J

    12V double pole double throw switch

    Although Radio Shack closed many of their non-performing stores, they are still in business. My 'local' store actually has better stock than during the time before the closures.
  9. J

    fluke multimeter

    You have an excellent precision voltmeter. IMO, Fluke meters are really the best performing high-end meters on the market. The Fluke 112 (now superseded) originally listed at something over $250. I bought one a year or two ago for ~$200. Some new, old stock ones occasionally show up for...
  10. J

    fluke multimeter

    Yes, RMS does mean Root Mean Square. In the case of surface finishes it means the mathematical root mean square of the micro deviations on the surface, usually left by some machining operation like a lathe. In the case of a volt meter, it means the mathematical Root Mean Square of AC electric...
  11. J

    Electric QUESTION??? Water did not trop breaker!!!

    I can't tell from your pix, but in addition to the above correct replies about the resistivity of water, it is also possible that there was an air bubble trapped in the plug, thus preventing the water from actually touching and shorting the conducting parts. In this circumstance, testing the...
  12. J

    Propane tank?

    As others wrote, call your supplier. That is the only SAFE way to get this done. My supplier here in N. CA doesn't charge for the service call or the actual repair, only for any parts required. Reasoning being that they really don't want you to blow something up or burn down your house!
  13. J

    Just found out my Jeep needs a new engine

    20,000 Km is ~12,400 miles.
  14. J

    novel tool making...

    Like a CNC (Computer Numerical Control) machining center uses computerized data to select and guide the tools to cut out a shape, the 3D printer uses very similar computerized data to guide a nozzle that lays down material to build up a shape. The machining center uses subtractive technology...
  15. J

    novel tool making...

    Tom, All: While the 3D printer on the space station does make its parts from polymers (aka plastic), there are numerous printers now available and in development that print metal parts. For example, the automotive industry currently employs 3D printers to make direct use metal prototypes...
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