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New build in Mulwala

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  • #16
    Re: New build in Mulwala

    Originally posted by , View Post
    Nice start, good job on dry stack. Be sure to have some relief under your arch form and save for door template later on.
    Gday UtahBeehiver,will do. I have used the screws that I had as legs so I can just screw them up to remove the arch forms.The outer arch is 30mm larger to allow of the door.
    Have a question,If you stand the bricks up does it reduce the strength of the dome.
    Cheers John

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    • #17
      Re: New build in Mulwala

      Hello,well ordered my mortar ect from the melbourne fire brick company and it turned up in 1.5 days. Ben is very helpful and worth giving a ring.
      Managed to track down a brick saw for a couple of slabs . Now to get into it.
      Layed out floor inso. Very dusty! Same with oven floor. Found center again and used a brick to attach hendo too.Drilled a small hole in the brick fitted a wall plug to screw into. Fitted a piece of flat to hendo drilled a hole in the center and attached it to the brick. Not to tight. Seems to do the job.
      Cheers John

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      • #18
        Re: New build in Mulwala

        Brew,

        There are several builds with the first course being soldiers but from what I have seen they may require some bolstering vs using a 1/2 header. But that is up to you.
        Russell
        Google Photo Album [https://photos.google.com/share/AF1Q...JneXVXc3hVNHd3/]

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        • #19
          Re: New build in Mulwala

          Hey John

          Some photos please mate
          Cheers Colin

          My Build - Index to Major Build Stages

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          • #20
            Re: New build in Mulwala

            Hey John

            Some photos please mate
            Cheers Colin

            My Build - Index to Major Build Stages

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            • #21
              Re: New build in Mulwala

              Gday all, have had some progress in the last couple of weeks. Have learnt a lot . It pays to ask. No question is stupid no matter how trivial.
              So floor is down and first course is done.😃. Because I have made the first course soldiers it seems to throw the dome arch out of sink,so cut wedges to help plug the large gap. The bonus was it gave me a good starting point. Next the inner arch and venture. Hope all goes ok. Cheers

              Ps photos soon.

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              • #22
                Re: New build in Mulwala

                G'day John
                Building on a soldier course means that you'll have a flatter dome section. You'll have to reset you IT tool for ever level of brick . One way to do this is to cut a half dome section out of ply, and fit it in the oven to reset your IT by eye.
                One problem as the dome opening gets smaller you have to fit it through the door, if that's under 1/2 the form will not fit. As you approach this point you cut off the outmost curved edge of the form.
                Regards dave
                Measure twice
                Cut once
                Fit in position with largest hammer

                My Build
                http://www.fornobravo.com/forum/f51/...ild-14444.html
                My Door
                http://www.fornobravo.com/forum/f28/...ock-17190.html

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                • #23
                  Re: New build in Mulwala

                  Originally posted by cobblerdave View Post
                  G'day John
                  Building on a soldier course means that you'll have a flatter dome section. You'll have to reset you IT tool for ever level of brick . One way to do this is to cut a half dome section out of ply, and fit it in the oven to reset your IT by eye.
                  One problem as the dome opening gets smaller you have to fit it through the door, if that's under 1/2 the form will not fit. As you approach this point you cut off the outmost curved edge of the form.
                  Regards dave
                  You can also remove a few floor bricks from the middle of the floor, so that the centre of the IT is lower. This will also give you a lower dome height but eliminate the need to constantly adjust the IT.
                  Kindled with zeal and fired with passion.

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                  • #24
                    Re: New build in Mulwala

                    G'day
                    Sorry Dave don't agree.
                    Lowering the IT point puts it at a smaller diameter dome size. It's not the full circle but a flatter curve to result in the same dome height for its width
                    Regards dave
                    Measure twice
                    Cut once
                    Fit in position with largest hammer

                    My Build
                    http://www.fornobravo.com/forum/f51/...ild-14444.html
                    My Door
                    http://www.fornobravo.com/forum/f28/...ock-17190.html

                    Comment


                    • #25
                      Re: New build in Mulwala

                      Depending on the construction of the IT, I have used the castor wheel model, if the IT is mounted an inch below the floor level it will give the same diameter and a lower dome height.

                      Worked that way for me when I used it in 2 subsequent builds.
                      Cheers ......... Steve

                      Build Thread http://www.fornobravo.com/forum/f3/n...erg-19151.html

                      Build Pics http://www.facebook.com/media/set/?s...1&l=1626b3f4f4

                      Forno Food Pics https://www.facebook.com/media/set/?...1&l=1d5ce2a275

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                      • #26
                        Re: New build in Mulwala

                        Drawing shows how dropping the centre of the IT below floor level can lower the internal height of the dome. The new diameter will be larger but flatter.
                        Kindled with zeal and fired with passion.

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                        • #27
                          Re: New build in Mulwala

                          G'day
                          I got out the piece of paper I tried the same thing myself. Now I see what you mean. Even a modest drop makes a big difference even more than I expected.
                          Regards dave
                          Measure twice
                          Cut once
                          Fit in position with largest hammer

                          My Build
                          http://www.fornobravo.com/forum/f51/...ild-14444.html
                          My Door
                          http://www.fornobravo.com/forum/f28/...ock-17190.html

                          Comment


                          • #28
                            Re: New build in Mulwala

                            Originally posted by cobblerdave View Post
                            G'day
                            I got out the piece of paper I tried the same thing myself. Now I see what you mean. Even a modest drop makes a big difference even more than I expected.
                            Regards dave
                            Yes it actually lowers the internal height by more than the distance you drop it below the floor level because of the flatter arc created by the larger diameter.
                            Kindled with zeal and fired with passion.

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                            • #29
                              Re: New build in Mulwala

                              Gday all here are some pics of my build. Going quite well. No major problems as yet.
                              Cheers John

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                              • #30
                                Re: New build in Mulwala

                                Some more pics.Bit slow getting pics. Had my HTC have the black screen of death. They did replace the phone.
                                The dome is now done , Had to use a ball for the last 3/4 courses,other than that no forms.A bit tricky when using fire bricks as they suck in the moisture. Tried wetting them but it was better to make the mortar a little wetter.
                                All in all not to stressful .
                                Cheers John

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