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Fnbrokens Corner WFO in Canberra, Australia - Forno Bravo Forum: The Wood-Fired Oven Community

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Fnbrokens Corner WFO in Canberra, Australia

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  • #91
    I've only just picked up on your thread. Have you been to your local council about your build? Our council require anything to be built 1.5 m inside any boundary fence. You wouldn't want a complaining neighbour to force you to move it all once it's built.
    Kindled with zeal and fired with passion.

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    • #92
      Hi David, Thanks for checking! I [fortunately] don't have any neighbors over the back - its a grass reserve then a main road through the suburb. I also don't have an easement along there either, so i'm pretty safe.

      To be sure no one notices over the 1.9m high fence, I also have a hedge of pittosporums growing on the other side of the fence to keep nosey eyes out - at the rate im going they will be fully grown by the time the oven is ready to go. The fence height is also a bit deceiving as well as my yard has been built up by about 400mm on my side - so there is quite a drop on the other side.

      I cut and placed the rebar/mesh today. Will weld it in tomorrow....



      Cheers

      Greg

      My Build: https://community.fornobravo.com/for...erra-australia

      Photo Album: https://photos.google.com/album/AF1Q...JZX8QMLT_9mVj7

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      • #93
        welded in - wont win any awards for being pretty, but it is strong as....
        Cheers

        Greg

        My Build: https://community.fornobravo.com/for...erra-australia

        Photo Album: https://photos.google.com/album/AF1Q...JZX8QMLT_9mVj7

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        • #94
          I was going to weld mine but the neighbor was helping me with my slab came over and wire tied it up in the time it would have taken me to set up my welder
          That mig will come in handy when you build your door!
          My build thread
          http://www.fornobravo.com/community/...h-corner-build

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          • #95
            I needed to get it out for a couple other jobs, so made sense to line them all up at the same time. Once i put pergola posts off the top of the slabs i wanted to be sure there would be no movement - better safe than sorry (and probably over-engineered to the max!!). Once i get some of the timber formwork in I will probably weld some more steel in to be sure.

            Not sure I will weld the door myself - would probably end up blowing too many ventilation holes in it, lol
            Cheers

            Greg

            My Build: https://community.fornobravo.com/for...erra-australia

            Photo Album: https://photos.google.com/album/AF1Q...JZX8QMLT_9mVj7

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            • #96
              Originally posted by fnbroken View Post
              welded in - wont win any awards for being pretty, but it is strong as....
              Greg,

              I've seen several builds on this forum where folks welded their rebar. I'm pretty sure that it is ok for our purposes with building a wood fired oven. Ovens are small projects. However, just for the record, tying steel is the preferred method. Concrete rebar is a soft steel. Soft steel and concrete have about the same expansion rate at ambient seasonal temperatures ranges. Super heating soft steel changes those properties. I was taught to always tie steel and never thought about any other way. Bending steel was also always done cold with a rod bender. I once saw several tons of steel scrapped on a project. The contractors were lapping and tying the steel to code but, were heating and bending the steel at the corners. The engineer on the project ordered it all to be scrapped.
              joe watson

              "A year from now, you will wish that you had started today "

              My Build
              My Picasa Web Album

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              • #97
                Originally posted by fnbroken View Post
                Not sure I will weld the door myself - would probably end up blowing too many ventilation holes in it, lol
                Are you using gas or flux core? I was using gas and 0.030" solid wire, and was also worried about blowing holes so I did a series of tacks to hold the door together. Later when I figured out what I was doing I was able to do longer welds on similar gauge material without burning through.

                My build thread
                http://www.fornobravo.com/community/...h-corner-build

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                • #98
                  Hi Gulf - thanks for the heads up - just spent the last couple hours researching weld/tie rebar! I thought it would be fine given the mesh itself is welded.

                  So what I learnt (being an armchair specialist welder now) - Low quality rebar can become brittle at the welded spot due to the heat stress and subsequently form the starting point of a crack. After talking with the supplier where I sourced the rebar...Australian rebar standard is reasonably high and not as susceptible to becoming brittle as it has a much lower carbon content. Much like the welded mesh - if the welds are small (more tack welds) there wont be a problem - which mine resemble. Additionally, (to answer JRPizza question) I am using a flux core wire (no gas) so the temperature reached is much lower than using a gas shielded wire. He suggested if I was worried that I should use tie wire on the key structural joins (uprights to the horizontal mesh) to assist in ensuring no movement as any weld is only likely to make part of the rebar brittle - not the whole thing.

                  So a note to future builders - tie the rebar together!

                  JRPizza - I will definately give it a go...that's what this project is all about!
                  Cheers

                  Greg

                  My Build: https://community.fornobravo.com/for...erra-australia

                  Photo Album: https://photos.google.com/album/AF1Q...JZX8QMLT_9mVj7

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                  • #99
                    Greg, I'm still learning the nuances of welding, but I've read that flux core generally runs hotter, gets deeper penetration, and is harder to use on sheet metal than gas, at least if you are using a C25 mix. That said if you practice on some representative material you can figure out what size tacks/stitches/beads will work for the set up you have. Not sure if you saw the way I tacked mine together or not - I attached a link to some pic's below.
                    I've been working on my oven for a little while and have been debating starting a build thread, as I probably won't have much to add in terms of artistry or inventiveness over the excellent work already posted on this forum. That said, I thought I would share what I have done and hopefully continue to get
                    Last edited by JRPizza; 10-18-2017, 12:38 PM.
                    My build thread
                    http://www.fornobravo.com/community/...h-corner-build

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                    • Thanks JR - not much I can do now - only hope!

                      I have bookmarked a number of door builds (including yours) and will study up when the time comes....
                      Cheers

                      Greg

                      My Build: https://community.fornobravo.com/for...erra-australia

                      Photo Album: https://photos.google.com/album/AF1Q...JZX8QMLT_9mVj7

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