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Nifty video about home electro-chemical etching.

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  • Nifty video about home electro-chemical etching.

    Bumped into this how-to video http://www.youtube.com/watch?v=jEnNMTMZadw on cutting out fairly complex shapes out of thin carbon steel. Might come in real handy someday making shims. Wonder if it would work on copper or aluminum as well?
    Milton

    "Accuracy is the sum total of your compensating mistakes."

    "The thing I hate about an argument is that it always interrupts a discussion." G. K. Chesterton

  • #2
    Pretty slick, now have to source the paint on this side of the world etch primer paint. Thanks
    Glen
    Been there, probably broke it, doing that!
    I am not a lawyer, and never played one on TV!
    All the usual and standard disclaimers apply. Do not try this at home, use only as directed, No warranties express or implied, for the intended use or the suggested uses, Wear safety glasses, closed course, professionals only

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    • #3
      Originally posted by PTSideshow View Post
      now have to source the paint on this side of the world etch primer paint. Thanks
      "Self-etching primer" At any automotive or welding supply store.
      "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

      Comment


      • #4
        Originally posted by PTSideshow View Post
        Pretty slick, now have to source the paint on this side of the world etch primer paint. Thanks
        I still have a half-pint left of the old Dupont chromate green stuff with the glass bottle of acid activator. Man that stuff'll stick to ANYTHING.

        Dunno 'bout rattle can etching primer. I hope someone'll pipe up with some good stuff.

        edit: See!
        Milton

        "Accuracy is the sum total of your compensating mistakes."

        "The thing I hate about an argument is that it always interrupts a discussion." G. K. Chesterton

        Comment


        • #5
          Didn't catch that self part in his description. That does make it easier!
          Glen
          Been there, probably broke it, doing that!
          I am not a lawyer, and never played one on TV!
          All the usual and standard disclaimers apply. Do not try this at home, use only as directed, No warranties express or implied, for the intended use or the suggested uses, Wear safety glasses, closed course, professionals only

          Comment


          • #6
            By the way, that's Bruce Simpson, the DIY cruise missile guy!

            http://www.interestingprojects.com/cruisemissile/

            I bet he's a lot of fun over a beer
            "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

            Comment


            • #7
              Originally posted by lazlo View Post
              By the way, that's Bruce Simpson, the DIY cruise missile guy!

              http://www.interestingprojects.com/cruisemissile/

              I bet he's a lot of fun over a beer
              Very interesting story!

              Maynard Hill's design did the 1st autonomous transatlantic model aircraft flight back in '03 and there was criticism then of the possible terrorist implications. He was a brilliant engineer and avid model designer/builder for many years before he died. https://www.modelaircraft.org/files/HillMaynard.pdf

              He perfected the electrostatic wing leveller system years before to help capture the F.A.I. world endurance and distance records for powered R/C models.
              Milton

              "Accuracy is the sum total of your compensating mistakes."

              "The thing I hate about an argument is that it always interrupts a discussion." G. K. Chesterton

              Comment


              • #8
                Where can a person find that kind of spring steel?

                Comment


                • #9
                  Originally posted by dp View Post
                  Where can a person find that kind of spring steel?
                  The stuff ain't cheap! http://www.onlinemetals.com/merchant...id=1&top_cat=0 At this source anyway. (I guessed at the thickness Aussie dude was using for his reed valves.)
                  Milton

                  "Accuracy is the sum total of your compensating mistakes."

                  "The thing I hate about an argument is that it always interrupts a discussion." G. K. Chesterton

                  Comment


                  • #10
                    Originally posted by dp View Post
                    Where can a person find that kind of spring steel?
                    Any machinist supply, including Enco. "Spring steel shim stock."
                    "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

                    Comment


                    • #11
                      Originally posted by lazlo View Post
                      Any machinist supply, including Enco. "Spring steel shim stock."
                      Yikes - that stuff is expensive. I think I just found a new use for my old piston ring compressor. Haven't used it since I put my Continental C-85 engine together in 1985

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                      • #12
                        Gotta try that!
                        "Let me recommend the best medicine in the
                        world: a long journey, at a mild season, through a pleasant
                        country, in easy stages."
                        ~ James Madison

                        Comment


                        • #13
                          Originally posted by DICKEYBIRD View Post
                          The stuff ain't cheap! http://www.onlinemetals.com/merchant...id=1&top_cat=0 At this source anyway. (I guessed at the thickness Aussie dude was using for his reed valves.)
                          he's a KIWI dude!

                          That's like calling a Canadian a Yank

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                          • #14
                            Originally posted by crusty View Post
                            he's a KIWI dude!

                            That's like calling a Canadian a Yank
                            OOPS, sorry 'bout that! Please convey my sincere apologies to nice Mr. Kiwi fellow. I'd hate to be the 1st target for one of his cruise missiles.
                            Milton

                            "Accuracy is the sum total of your compensating mistakes."

                            "The thing I hate about an argument is that it always interrupts a discussion." G. K. Chesterton

                            Comment


                            • #15
                              There is always McMaster-Less than half the price

                              http://www.mcmaster.com/#spring-stee...-stock/=jhbat1

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