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  • gun "blue"

    I often see requests on this forum from the modellers and gunsmiths, for gun blue, or rust blue recipes. FWIW, from an original treatise....
    http://www.hms-victory.com/index.php...d=57&Itemid=88

    "To one gallon of vinegar add a quarter of a pound of iron rust, let it stand for one week; then add a pound of lamp black and three quarters of a pound of copperas; stir it up at intervals for a couple of days. Lay five to six coats on the gun with a sponge, allowing it to dry well between each application; polish with linseed oil and soft woollen rag; it will look like ebony."

    FYI, "copperas" = ferrous sulphate

    The HMS Victory site is well worth a look in its own right.
    Cheers, Lin
    Just got my head together
    now my body's falling apart

  • #2
    YOD, fwiw, bump
    Just got my head together
    now my body's falling apart

    Comment


    • #3
      Good site,that's one more gun blue recipe to add on the list.
      I just need one more tool,just one!

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      • #4
        Fantastic, now if I only had a pound of lamp black.

        Honestly, this is good info for metal treatment. I seem to remember a link around here somewhere for a solution that worked well in the photos but would deliver a fellow a visit from the ATF due to the purchase of specific chemicals in mass quantities from the local farmers supply.

        Saw a t-shirt once that said - Alcohol, Tobacco and Firearms... Who's bringing the chips?

        rock~
        Civil engineers build targets, Mechanical engineers build weapons.

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        • #5
          Hmmmmmmm where do in get a pound of rust

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          • #6
            Originally posted by rockrat
            Fantastic, now if I only had a pound of lamp black.
            Isn't lamp black essentially carbon?

            Hmmmmmmm where do in get a pound of rust
            It's a hillbilly recipe -- rust = iron oxide = ferric oxide = Fe2O3 (red oxide) = Fe3O4 = (black oxide).

            Ferric oxide is available any any chemical supply house, pottery supply, theater supply store, or Ebay, of course

            http://cgi.ebay.com/ws/eBayISAPI.dll...m=230266715476

            It will look like ebony
            Wow, that's worth a try!
            Last edited by lazlo; 07-04-2008, 10:02 AM.
            "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

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            • #7
              Yup, and if you can't find lamp black, just pick up some copier/laser printer toner
              Just got my head together
              now my body's falling apart

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              • #8
                Originally posted by Swarf&Sparks
                Yup, and if you can't find lamp black, just pick up some copier/laser printer toner
                That's bloody brilliant Lin!

                Have you tried it? For the cost of the materials (practically zero), it sound like it's worth a try. I'd love to have an "ebony" coating for stuff like the BXA toolholders I made...
                "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

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                • #9
                  No Rob, can't speak for it as I only saw it on the "Victory" site t'other night.
                  Thought it would bear repeating here though

                  Another one of my pet projects is to turn an authentic naval gun.
                  I have the stock, just not the time.
                  If you try it, please let me know the results.
                  Just got my head together
                  now my body's falling apart

                  Comment


                  • #10
                    Originally posted by lazlo
                    Isn't lamp black essentially carbon?



                    It's a hillbilly recipe -- rust = iron oxide = ferric oxide = Fe2O3 (red oxide) = Fe3O4 = (black oxide).

                    Ferric oxide is available any any chemical supply house, pottery supply, theater supply store, or Ebay, of course

                    http://cgi.ebay.com/ws/eBayISAPI.dll...m=230266715476



                    Wow, that's worth a try!
                    Hmmmmmmmmm

                    Comment


                    • #11
                      From the sound of it, it is more of a coating than a chemical or rust blackening. The final application of linseed oil would appear to be a sealer of sorts.

                      Most chemical bluing and blackening involve multiple applications with burnishing in between. This process applies several coats, which are allowed to dry and then sealed with linseed oil. It could be a good treatment for cast or wrought iron that will be exposed to the elements, but I doubt it would be a suitable substitute for readily available cold blue materials.
                      Jim H.

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                      • #12
                        Originally posted by COMP
                        Hmmmmmmm where do in get a pound of rust
                        That's easy... buy an old mid 70's Chevy pickup... drag it home and kick the fender. Truck will turn to pure rust dust... sweep into dustpan and you have enough rust for everyone on the board...
                        I have tools I don't even know I own...

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                        • #13
                          Rusty

                          Thanks Lin and Russ.

                          It s variation on the theme:
                          http://en.wikipedia.org/wiki/Ashes_to_ashes

                          "Ashes to ashes rust to rust;
                          If the booze don't gey ya, the Devil must"

                          Hmmmm.

                          I'm feeling a bit rusty today - what a worry!!

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                          • #14
                            I think that goes...

                            Ashes to ashes
                            Dust to dust,
                            If it weren't for Pu$$y
                            Our peckers would rust.

                            Comment


                            • #15
                              I have been using a formula I found that is a mixture of lye (from hardware store) and potassium nitrate (stump remover from Lowes) and it works great!

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