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Fire Scope

Discussion in 'Electronic Repair' started by Meat Plow, Feb 13, 2007.

  1. Meat Plow

    Meat Plow Guest

    Who would have thought this one up?

     
  2. Ruben I assume.
     
  3. Arfa Daily

    Arfa Daily Guest

    It's entertaining though ! Talking of 'scopes, finally found 5 minutes today
    to get the covers off my 100 meg Hitachi that went wrong last week. You know
    nothing's built to last these days - it's only been 20 years since I
    "borrowed" it off the last company I workd for, and it's not as if it's on
    any more than 350 days a year, or 16 hours a day ... Anyways, my trusty Bob
    Parker ESR meter quickly pointed me at a 2200uF cap on the -12v rail.
    Completely open. It's amazing at how far electrolytics have come on. The
    replacement was about half the size or less than the original, and was a
    better temp rated 105 deg over the original 85 deg.

    Arfa
     
  4. James Sweet

    James Sweet Guest


    Wow, that's cool! Of course I'm admittedly a pyro, but still!
     
  5. Yeah I agree that is pretty cool! Anyone have any info on building one
    other than the obvious?
     
  6. Meat Plow

    Meat Plow Guest

    2.5" PVC tubing, 2.5" speaker maybe some putty for the end where propane
    is fed, aluminum foil. Glue the foil to the area where the holes are to be
    drilled. I'm guessing the holes would be 1/4 inch.
     
  7. Mike Berger

    Mike Berger Guest

    An iron pipe would be a lot safer.
     
  8. Meat Plow

    Meat Plow Guest

    Yes and alot harder to drill a hundred holes in not to mention a lot
    heavier.
     
  9. I had considered using a piece of steel electrical conduit for this project
    so that it wouldn't be too hard to drill.

    - Mike
     
  10. Meat Plow

    Meat Plow Guest

    That would work but still would be tedious drilling it out not to mention
    you would have to buy a standard length of it if you couldn't find scrap.
     

  11. Thin wall, or rigid? Thin wall will require a deburring tool to
    remove the internal burrs. Thick wall is the same as galvanized water
    pipe, but with a smoother internal finish.


    --
    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
     
  12. Hmm.. Guess thats why he used PVC and aluminum tape. Much easier.

    - Mike
     
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