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Bacterium's 2nd build

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  • #16
    Re: Bacterium's 2nd build

    Ahhh the old silver pillow. Takes me back to my younger days

    Had many a comfy night's sleep on them. Even though I was in the gutter out on the road....

    Great idea on the time capsule although my stand will be brick. I will have to find somewhere else to hide the empties.

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    • #17
      Re: Bacterium's 2nd build

      Not much happening on oven......got the mud to do the base bricks but too wet the last few days

      Speaking of drinking-when I had my last oven, another oven mate and I used to do a "turkey shoot"
      Basically I would mix up about 5kg of ciabatta dough and would have a Sunday afternoon bread baking mission, the trick is every time you load a batch of bread in the oven we would sit back and shoot back a few turkeys - Wild Turkey (or Makers Mark).
      After we did about 3 loads in the oven you start to hit the low tide mark in the bottle..........it's great driving home (well the wife drove) and the car smells of fresh bread- had more bread than we could poke a shot glass at!!!!

      O yeah great for getting rid of the Sunday Arvos "back to work Monday" blues
      Cheers
      Damon

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      Build #2 (Current)

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      • #18
        Re: Bacterium's 2nd build

        Been busy with house stuff but managed to start laying out my base bricks. The plan is to have an outer course which goes all the way up level with the oven floor. Then inside will be an inner course which will support the oven upper slab/vermicrete/oven floor. Effectively this will conceal the sides of the upper slab/vermicrete/oven floor layers.

        I have another idea. Well I have a nice outdoor entertaining area which has a great view over the hills and also a very open yard, so to put in a prep bench and build a larger shelter over the dome will impact it to much. Well I was looking at wood carts on here as I was planning my under oven area. Then I got thinking, why not build a pull out wood cart that functions as a wood holder, prep bench and also a beer/bar fridge. So pull it out when you have pizza and when finished the whole thing push back under the oven. All you see once it's pushed in is the fridge door (basically under the oven opening).

        I've already built a pull out storage/kitchen area for my camper trailer. So with some tube steel and some castors it could work.
        Pretty much it would be 1.6m long by 850mm wide
        Anyone else had a crack at this?
        Cheers
        Damon

        Build #1

        Build #2 (Current)

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        • #19
          Re: Bacterium's 2nd build

          Ok, overall oven plan starting from slab is:

          -Dual course brick stand(outer course conceals the inner course supporting base layers)
          -Top slab 100mm reinforced concrete
          - 100mm vermicrete
          -Insulating board? Not 100% sure on this
          -Oven floor 1100mm internal diameter. Finished floor level from ground (height) at present I'm thinking around 1100mm or 1200mm.
          -floor and dome bricks will be 2nd hand fire bricks I got - 75mm x 110m x 225mm, obviously these will be angle cut in half for dome bricks and good fit
          -Looking to thermally separate inner & outer dome arches
          -Flue would be about 6 or 8 inches stainless steel, double skin where it passes through eave/roof
          -Dome insulation with 1inch fire blanket and 4inches vermicrete, then render coat with waterproofing as exposed dome

          ......sure to make changes on the way
          Cheers
          Damon

          Build #1

          Build #2 (Current)

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          • #20
            Re: Bacterium's 2nd build

            Progress has been a bit slow but I am up to the 9th brick course of the oven base. I'd probably go hungry if I was a bricklayer due to lack of speed

            Ok
            - Basically the inner brick course will now stop and the outer will continue, going up up to course number 13.
            - Across the base front, I'm intending to run a lintel on top of course 9, this will hold the front courses up to 13......below the lintel is obviously open. Not sure if I will use just a right angle lintel OR use a "T" lintel and then the slab (supporting oven floor) could then be supported on the back side of the lintel.
            You will notice the inside course is not complete on all 3 sides (some recesses) - that's to allow for power points (or water outlet ) to be added later (pipes already laid through slab). It also allows for my "pull out" log cart/bench to slide inside the under oven area (all the way to the back....where its only single course)..........ignore the pile of bricks in the middle just easy to access when laying.

            Effectively the slab, insulating layers and oven floor will then be fully concealed behind the outer course (on all 4 sides)........yet sitting on top of (and supported by) the inner course sections.

            The top of the top course (#13) will be level with the oven floor. This also means I can insulate from the side of the oven floor all the way out to the inside edge of the outer course......(insulate, insulate, insulate)

            The distance/height (between course 9 to 13) will be about 350mm going something like this (bottom to top):
            - Reinforced slab = 100mm (4in)
            -Vermicrete layer = 125mm (5in)
            - 2 x CalSil board layers = 50mm (2in)
            ....insulate, insulate, insulate
            -Oven floor fire bricks = 75mm (3in)

            I probably wont lay the top course (13th) on the front side, until my oven floor is down. This means I can incorporate a front counter top (polished granite?) that I can sawcut the top brick course around it.

            The two brick course are brick tied to each other and the plan is to stick these out of the outer course (inside of it) - such that when I pour the reinforced slab they will tie into the mesh and be inside the whole pour.

            I'm working on a finished floor level of approx. 1100mm (42in), which is about the bottom of my elbow. I figure that will give me good view into oven without stooping.

            sorry if I confused you....but I figure there is not much detail of double brick stands (house brick style)....maybe it will be helpful to someone. It matches my house and the general yard space which is what is driving my build style.
            Cheers
            Damon

            Build #1

            Build #2 (Current)

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            • #21
              Re: Bacterium's 2nd build

              Gudday

              This link might be of interest as it contains a free program for calculating angles for domes and arches Angleizer free Windows Software - Forno Bravo Forum: The Wood-Fired Oven Community just noted it today but havn't looked to closly yet.
              Love your brickwork to date...I'm masonary inpaired myself but still able to admire good work.
              I like the concealled slab/ insulating layer I used it myself mainly because it was easy to put a layer of brick around block stand to pore the cast saved a bit of formwork witch only has to be pulled of at the end.
              Am watching you build with interest


              Regards Dave
              Last edited by cobblerdave; 06-22-2012, 06:11 AM. Reason: spelling
              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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              • #22
                Re: Bacterium's 2nd build

                Thanks Dave, yes I need to look at a way to calculate my angled cuts.

                My build will be a little slow at first:
                just had 80sq. Meters of paving delivered so have to sort some of that around house due to wet weather......working on that for a week or so.
                Also I've got a mate whose son is doing a pizza oven as a high school project. I'm looking to get him over and give him a shot a laying a few bricks for ... The idea is for him and his dad to help for an hour at every major phase to help them work on their design.
                Cheers
                Damon

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                Build #2 (Current)

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                • #23
                  Re: Bacterium's 2nd build

                  Just after some input as still deciding
                  I was thinking of going all CalSil board under the hearth (instead of vermicrete)..... So how much 2 or 3 or 4 inches underneath? - sitting direct on concrete slab.
                  Reason I ask is there a point where its overkill?
                  Cheers
                  Damon

                  Build #1

                  Build #2 (Current)

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                  • #24
                    Re: Bacterium's 2nd build

                    40 or 50mm seems the popular thickness. Our customers use 40mm with great success, never any issues.

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                    • #25
                      Re: Bacterium's 2nd build

                      Ok, I figured why not just have 50mm/2inches under the oven floor and inner arch.
                      From there I could build the outer arch (thermally seperate arch) straight off the concrete base, which gives me a good base to build it on.

                      Then for the dome (and side of oven floor) insulation I can use 2inches of blanket and 2inches of vermicrete (plus render on top of that).

                      So coupled with a decent insulated door could I expect a good combination for multiple days of cooking or does anyone see a weakness in my design ?
                      Last edited by Bacterium; 07-31-2012, 09:53 PM. Reason: wording
                      Cheers
                      Damon

                      Build #1

                      Build #2 (Current)

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                      • #26
                        Re: Bacterium's 2nd build

                        Gudday
                        Would never say weakness.....but you might consider keeping to 40mm under the hearth...then use the savings to put a full 3 ins (75mm) of ceramic instead of just 2 in over the dome.
                        By the plans 3 ins of ceramic is worth 6 in plus of pealcrete in insulation value and you then have complety dry insulation.....no mass of water to drive out of your insulation before use
                        Well thats my take on it .....whichever way you go your certainly interested in a proper level of insulation and thats got to be a good thing

                        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


                        • #27
                          Re: Bacterium's 2nd build

                          Thanks Dave
                          I never thought about it like that, dropping the vermicrete re moisture, especially as I'm not putting my dome under an enclosure.

                          The cold weather and doing almost 100sq meters of paving has slowed my build, although I got a lintel to do the front span of the base, the other day. Mmmmm tax time is here, see if I can get a few more $$$ for insulation
                          Cheers
                          Damon

                          Build #1

                          Build #2 (Current)

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                          • #28
                            Re: Bacterium's 2nd build

                            still here

                            Got the lintel in, final courses up and top slab poured (with ash slot).

                            ........yep a few of the bricks are on the lean ....I call it my signature
                            Last edited by Bacterium; 08-21-2012, 04:39 AM.
                            Cheers
                            Damon

                            Build #1

                            Build #2 (Current)

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                            • #29
                              Re: Bacterium's 2nd build

                              Gudday Damon
                              I just call myself masonary impaired but you can come around any time and do my brickwork

                              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


                              • #30
                                Re: Bacterium's 2nd build

                                Thanks Dave..... Even though its square in shape I got a bit dizzy.
                                Cheers
                                Damon

                                Build #1

                                Build #2 (Current)

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