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Bend, Oregon USA 29" interior Floor - Forno Bravo Forum: The Wood-Fired Oven Community

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  • #16
    Re: Bend, Oregon USA 29" interior Floor

    I think the rule of thumb, to the extent that there is one, is that the area of the opening in the entry should be twice the area of the flue interior.

    Six by nine isn't a standard flue size around here. What are you using?
    My geodesic oven project: part 1, part 2

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    • #17
      Re: Bend, Oregon USA 29" interior Floor

      Originally posted by dmun View Post
      I think the rule of thumb, to the extent that there is one, is that the area of the opening in the entry should be twice the area of the flue interior.

      Six by nine isn't a standard flue size around here. What are you using?
      I am using supervent as the flue

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      • #18
        Re: Bend, Oregon USA 29" interior Floor

        Looks like a good product, but they all look round (cylindrical) to me. Did I misread something?
        My geodesic oven project: part 1, part 2

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        • #19
          Re: Bend, Oregon USA 29" interior Floor

          Originally posted by dmun View Post
          Looks like a good product, but they all look round (cylindrical) to me. Did I misread something?
          I cut the opening 6 x 9 and tappered it to 4 x 6 then i used the 6in circle chimney

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          • #20
            Re: Bend, Oregon USA 29" interior Floor

            Well today was a good day


            DAY 4
            There are zero cracks that i can see inside the oven
            there are some hair line cracks on the skim coat that i put on after the 16 gauge chicken fence, this skim coat was about 3/4- 1 inch thick in some places.

            I want to see what will happen tomorrow before i put the ceramic blankets on.

            I am hoping that this will insure me of huge cracks later down the road




            Fired and cured oven at
            ceiling 650
            floor 486
            Walls 539
            outside 174

            I think tomorrow i will try to fire it up to about 800-1000 on ceiling.

            The heat tranfering from flame to bricks i feel is going well.

            Chris

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            • #21
              Re: Bend, Oregon USA 29" interior Floor

              Another good day Firing and Curing the oven

              These are approx #

              Roof is 850-975
              Floor is 609-750
              Walls at solider row 595-620
              Outside 205-295
              Under the oven 179

              What do you all think of the #'s?

              The Bricks in the last picture is just starting to glow. and you can just barely see them

              I do have about a dozen or so Hairline cracks

              I think these are from expanding brick and mortar???

              I think I will start on 2-3" Blankets and alum foil and chicken wire and mortar and dryit after that

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              • #22
                Re: Bend, Oregon USA 29" interior Floor

                Originally posted by 100million View Post

                I think I will start on 2-3" Blankets and alum foil and chicken wire and mortar and dryit after that
                Chris - Before you wrap it up - bring it up to nuclear to see what happens. I think your approach is solid, so I don't expect any thing bad. Since this thing is destined for the road, I would start looking at cushioning the transport.

                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.

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                • #23
                  Re: Bend, Oregon USA 29" interior Floor

                  Originally posted by Les View Post
                  Chris - Before you wrap it up - bring it up to nuclear to see what happens. I think your approach is solid, so I don't expect any thing bad. Since this thing is destined for the road, I would start looking at cushioning the transport.

                  Les...
                  What is nuke to you ?????? because I am only going to run it about this hot or just a little hotter

                  HEY you let the cat out of the bag :P

                  Thanks alot I was hope not to let it out of the bag until about 50 more posts/

                  Chris

                  Oh well maybe nobody will see it
                  Last edited by 100million; 04-03-2010, 08:42 PM.

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                  • #24
                    Re: Bend, Oregon USA 29" interior Floor

                    Originally posted by 100million View Post

                    HEY you let the cat out of the bag :P

                    Thanks alot I was hope not to let it out of the bag until about 50 more posts
                    Crap - sorry about that

                    Nuclear is when you have flames jumping out of both orifice's.
                    It's fun to watch...

                    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


                    • #25
                      Re: Bend, Oregon USA 29" interior Floor

                      Chris, don't worry about the hairline cracks. You'll have lots of them; they are normal. The oven has to expand and contract a lot. I think the more small ones you have the better. Even the larger crack (when your oven is at it's hottest 7-800 deg and then one of those hairlines gets almost credit card thickness, it's still no big deal. It's not big enough to loose heat or smoke through the insulation blanket you'll wrap it in. Now that's worst case if it happens at all.
                      Looks fine-Dino
                      "Life is a banquet and most poor sons-of-bitches are starving to death." -Auntie Mame

                      View My Picasa Web Album UPDATED oct
                      http://picasaweb.google.com/Dino747?feat=directlink


                      My Oven Costs Spreadsheet
                      http://spreadsheets.google.com/ccc?k...BF19875Rnp84Uw


                      My Oven Thread
                      http://www.fornobravo.com/forum/f8/d...arts-5883.html

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                      • #26
                        Re: Bend, Oregon USA 29" interior Floor

                        Well I started on the Insulation today and I am going to coat it tomorrow


                        Here are some Pictures of what I did today

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                        • #27
                          Re: Bend, Oregon USA 29" interior Floor

                          More pictures

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                          • #28
                            Re: Bend, Oregon USA 29" interior Floor

                            Well here is the last picture


                            And here is what I did

                            I have 3" of ceramic blankets then I have alum foil wrapped

                            Then I have Alum mesh

                            I am going to skim coat it in Mortar tomorrow

                            What you think?

                            Chris

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                            • #29
                              Re: Bend, Oregon USA 29" interior Floor

                              Well we put the skim coat over the metal mesh....then we coated it one more time

                              With the last coat we put fiber mesh in the concrete.

                              I set the front rock also I used a special high temp epoxy and drill holes in the brick so it will be structurelly strong and it will not fall off

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                              • #30
                                Re: Bend, Oregon USA 29" interior Floor

                                OK Chris...when did that outer arch happen! It's absolutely beautiful! That stone is amazing. Great choice in stone material.
                                -Dino
                                "Life is a banquet and most poor sons-of-bitches are starving to death." -Auntie Mame

                                View My Picasa Web Album UPDATED oct
                                http://picasaweb.google.com/Dino747?feat=directlink


                                My Oven Costs Spreadsheet
                                http://spreadsheets.google.com/ccc?k...BF19875Rnp84Uw


                                My Oven Thread
                                http://www.fornobravo.com/forum/f8/d...arts-5883.html

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