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81 Inch First Build (and first post)

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  • #16
    Re: 81 Inch First Build (and first post)

    Yeah, I was wondering which way the heat would go, from dome to flue or the other way around....
    The swirling concept might be accomplished by angling the incoming air slightly so that is favors the right side wall, the fire side. The roof bricks just above the arch would have a path formed from the top of the arch towards the left and the flue would lean upward, towards the right...so...the air would form a slow rotation counter clockwise inside the oven. Works on engine intake manifolds...after all, every bit of hot air expelled from the chimney top is sucked into the front of the oven, right? Might as well get every bit of efficiency out of it.

    I have thought about wrapping a few turns of 3/4 inch copper tubing around the outside of the dome, under the perlite and hooking it up to my hydronic floor heat system...pump, valves, resevoir, load....sounds simple. One could also use it to take down the oven temp if needed too.

    Great discussions.
    Roger
    Trying to learn what I can about flours, fermentation and flames...

    My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

    My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

    our FB page; https://www.facebook.com/pages/Artys...20079718042660

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    • #17
      Re: 81 Inch First Build (and first post)

      Got alittle more done last night, brick on hearth and a few pcs of the soapstone...60mm x 300mm x 1000mm from;
      M. Teixeira Soapstone
      85 Myer Street
      Hackensack, NJ 07601
      Ph: 201-525-0024 x 102







      Trying to learn what I can about flours, fermentation and flames...

      My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

      My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

      our FB page; https://www.facebook.com/pages/Artys...20079718042660

      Comment


      • #18
        Re: 81 Inch First Build (and first post)

        Hey Roger, very interesting build, looking forward to your progress. I was thinking of using soap stone for my counters, love the stuff. Didn't know it could be used inside the oven.

        Cheers,
        Tom
        Member WFOAMBA Wood Fired Oven Amatueur Masons Builders America

        Comment


        • #19
          Re: 81 Inch First Build (and first post)

          Soapstone has great properties as the hearth covering floor for a pizza oven, also seen in these videos; the first is Campanola in ILL by Peter Moore,

          YouTube - Building of a wood-burning pizza oven.

          This one is Keste Pizza, NYC;

          YouTube - Keste Pizza, NYC; Burrata, Cherry Tomatoes, and basil in the woodfired oven

          From the website of the place I got my Brazilian Soapstone;

          Soapstone Firebrick Fireplace Firebox :: M Teixeira Soapstone

          "A Soapstone firebrick's special mineral properties make it ideal for lining fireplaces. Soapstone can withstand great changes in temperature without cracking. A Soapstone firebrick is so dense that it absorbs heat and then radiates slowly for hours, improving your fireplace's efficiency."

          I haven't used my oven's floor yet, but it feels smooth and should be easy to work on.

          Roger
          Trying to learn what I can about flours, fermentation and flames...

          My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

          My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

          our FB page; https://www.facebook.com/pages/Artys...20079718042660

          Comment


          • #20
            Re: 81 Inch First Build (and first post)

            Hey Roger,,
            Great oven, very Impressive... Good Luck to you when you open


            Cheers
            Mark

            Comment


            • #21
              Re: 81 Inch First Build (and first post)

              installed all 11 pcs of soapstone tonight with a helper, (they are 130 lbs each !) I know I am going to catch all kinds of flack for my ash door, ...thermal loss, lack of incoming air control...etc, etc... but there it is, anyway. I will fill in the spaces with FB.

              The soapstone cut easily and you can work it with hand tools, I used a block plane, chisel and knife !

              Roger





              Trying to learn what I can about flours, fermentation and flames...

              My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

              My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

              our FB page; https://www.facebook.com/pages/Artys...20079718042660

              Comment


              • #22
                Re: 81 Inch First Build (and first post)

                That is a lot of thermal mass to heat up you have there. Once you get it up to temp, it is likely to stay there for a while. Very interesting build, massive scale compared to anything most of us are doing. I am glad you have a plentiful cheap source of firewood( you may have to resort to coal).
                Eric

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                • #23
                  Re: 81 Inch First Build (and first post)

                  If I may ask, how tall is your entry arch going to be relative to your dome. It's looks kinda low considering the size of your oven.

                  Website: http://keithwiley.com
                  WFO Webpage: http://keithwiley.com/brickPizzaOven.shtml
                  Thread: http://www.fornobravo.com/forum/f21/...ttle-7878.html

                  Comment


                  • #24
                    Re: 81 Inch First Build (and first post)

                    The arch is 14" and the dome is 24" the dia 6-9", congrats on your first pizzas, btw. I was originally in the dark about the proper ratio of 63%, until one of my MIT friends, Thomas Massie, stopped by as I had the frames mocked up at 36". After a quick review of his Scott and Winger book, I lowered it to 24" dome height. Do you think this too low? Now is the time to change anything if I need to...going out tonight to start cutting the soldier course which will have the skew cut on the upper end.
                    Roger
                    Trying to learn what I can about flours, fermentation and flames...

                    My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

                    My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

                    our FB page; https://www.facebook.com/pages/Artys...20079718042660

                    Comment


                    • #25
                      Re: 81 Inch First Build (and first post)

                      By diameter 6-9" do you mean 6'-9", as in six feet nine inches?

                      Okay, so 14" is reasonably close to 63% of 24" (a shave on the low side although I have no idea how sensitive these figures are). I guess you're just building a very low, flat oven relative to its diameter, good for pizza I suppose. I just would have expected such an enormous oven to have a fairly large entry way, but if it has a low dome, it should have a correspondingly low entry arch.

                      No, I'm not suggesting you did anything wrong. I am steadfast in my insistence that I have no authority on FB. I'm way too much of a novice to be telling other people what to do. I just thought it looked kinda low. Maybe it's fine for your design.

                      Thanks on the congrats. I'm so glad I got this far. It ain't done yet, but it was a huge milestone.

                      Website: http://keithwiley.com
                      WFO Webpage: http://keithwiley.com/brickPizzaOven.shtml
                      Thread: http://www.fornobravo.com/forum/f21/...ttle-7878.html

                      Comment


                      • #26
                        Re: 81 Inch First Build (and first post)

                        Yep, 6 feet 9 inches. I going for a low oven and fast bake times for pizza by combining the best of the pompei with the barrel, I just hope my dome support is stong enough to hold the low roof....lower being harder to hold up. I will rely on the "belt" around the oven to help, ala the Peter Moore Campanola oven build.

                        I appreciate the observations and feedbacks, I really do. I am not experienced at this, but have a butt-load of confidence...which makes me forge ahead into unknown areas with a 80% success rate, but the 20% failures are real "crash and burn" ugly! haha
                        Trying to learn what I can about flours, fermentation and flames...

                        My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

                        My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

                        our FB page; https://www.facebook.com/pages/Artys...20079718042660

                        Comment


                        • #27
                          Re: 81 Inch First Build (and first post)

                          81 and 24 is dead on the d/3.4 guidline for low domes. Forge ahead my friend!

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                          • #28
                            Re: 81 Inch First Build (and first post)

                            shuboyje,
                            please elaborate on that d/3.4 guideline....give me some background on that..

                            Hey, everyone....what is the minimum wall height, ie; the soldier course upon which the skew and dome starts? Is 4 to 5 inches too short, or do I really need 8 to 9 inches (full bricks)? I want the shortest wall possible in order to create the highest degree of angle for my 24" dome. The lower I start on the outside rim, the greater the angle to the top. I figure it's just going to be where I push the coals and small wood..thoughts?
                            thanks
                            Roger
                            Trying to learn what I can about flours, fermentation and flames...

                            My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

                            My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

                            our FB page; https://www.facebook.com/pages/Artys...20079718042660

                            Comment


                            • #29
                              Re: 81 Inch First Build (and first post)

                              Roger,

                              I built a 42 inch and made it a true radius. My first brick off the deck is 2.5 inches. Granted, I can't push a large piece of burning wood to the edge, but it has never been a problem. I think with your size it would be a non issue.

                              Les...
                              Check out my pictures here:
                              http://www.fornobravo.com/forum/f8/les-build-4207.html

                              If at first you don't succeed... Skydiving isn't for you.

                              Comment


                              • #30
                                Re: 81 Inch First Build (and first post)

                                Yeah, I've never figured out what the soldier course is for. It's traditional, but to my mind it just makes it weaker. Your huge low dome is going to have a lot of side thrust, and putting it up on stilts is going to accentuate the problem.
                                My geodesic oven project: part 1, part 2

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