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K79 Oven Build

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  • #31
    Re: K79 Oven Build

    Oh man, why did I read that some people used low duty firebrick for their oven. I'm supposed to be using MEDIUM duty firebrick for my oven right....ahhhh Also the exact dimensions of my medium duty firebrick are 9"x4 7/16"x2 5/16". Dimensions ok?
    Last edited by K79; 03-12-2013, 05:44 AM.
    Link to my oven build on YouTube:

    http://www.youtube.com/watch?v=Ujb7lqVcSzQ

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    • #32
      Re: K79 Oven Build

      Low or medium duty will both work well. People have also used high duty but I understand its a b*tch to cut and also takes a bit more work to get up to temp.
      My build progress
      My WFO Journal on Facebook
      My dome spreadsheet calculator

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      • #33
        Re: K79 Oven Build

        Do you follow the same principles as your dome when it comes to mortar thickness and your vent arches? Smallest joint possible or do you want a 3/8" joint here?
        Link to my oven build on YouTube:

        http://www.youtube.com/watch?v=Ujb7lqVcSzQ

        Comment


        • #34
          Re: K79 Oven Build

          DJ is kind of right, about heavy duty which I used in my build, they are not only a b*tch to cut they are a #@$% b*tch to cut
          Russell
          Google Photo Album [https://photos.google.com/share/AF1Q...JneXVXc3hVNHd3/]

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          • #35
            Re: K79 Oven Build

            K79 -
            here is a sketchup of how I built my arch. Freestanding, and the "L" bricks are in the front. The Gray area is where the vent arch overlaps the inner arch. You'll see there is about a quarter inch difference.

            Glad I saved...

            My build progress
            My WFO Journal on Facebook
            My dome spreadsheet calculator

            Comment


            • #36
              Re: K79 Oven Build

              Originally posted by deejayoh View Post
              K79 -
              here is a sketchup of how I built my arch. Freestanding, and the "L" bricks are in the front. The Gray area is where the vent arch overlaps the inner arch. You'll see there is about a quarter inch difference.

              Glad I saved...

              [ATTACH]34233[/ATTACH]

              When I click on this it says invalid attachment
              Link to my oven build on YouTube:

              http://www.youtube.com/watch?v=Ujb7lqVcSzQ

              Comment


              • #37
                Re: K79 Oven Build

                So is it even possible to achieve an 8"x12" rectangular vent in your arch? Using an 8"x12" clay flue I would think you would want the exact dimensions for the arch vent which would equal an 8" round steel chimney. I'm also wondering how you would work the flashing around the chimney that comes out right at the peak. I've called supervent about their ss 8" chimney (thought about doing this) and they don't even sell any type of flashing for a chimney that comes out the peak.
                Last edited by K79; 03-13-2013, 08:02 AM.
                Link to my oven build on YouTube:

                http://www.youtube.com/watch?v=Ujb7lqVcSzQ

                Comment


                • #38
                  Re: K79 Oven Build

                  A Few questions here guys: Ok, here is my plan for my arch. It's about 75% complete. I think the other 25% needs to be figured out on the fly. What do you guys think? In the front view I only show a set of green bricks on the left but they are on the right as well. Those represent the arch. Same with the green line. I'm planning on putting a 1" reveal around the inner arch for my door. Sounds like enough to me, but from experience is it? Are the bricks spanning the vent arch in the front and back with the dimensions of 2 1/2" to small to be structurally sound?


                  And for my enclosure the FB plans show 4" of space for vermiculite around the oven. I wasn't sure if there was some sort of code why they have the roof 4" over the top of the oven and FB blanket. Here are two options. I'ld really like to build the first one so it's not so tall, or do I need to clearance in design two?

                  Design One:



                  Design Two:



                  And Last, is just over a half inch mortar joint on the outside of my oven just for my soldier's ok? I'm worried if I taper them then they won't fit nice and tight on the inside.

                  Last edited by K79; 03-14-2013, 09:52 AM.
                  Link to my oven build on YouTube:

                  http://www.youtube.com/watch?v=Ujb7lqVcSzQ

                  Comment


                  • #39
                    Re: K79 Oven Build

                    It has begun!

                    Link to my oven build on YouTube:

                    http://www.youtube.com/watch?v=Ujb7lqVcSzQ

                    Comment


                    • #40
                      Re: K79 Oven Build

                      The adapter plate for metal pipe is 12x12, and requires an 8x8 opening to work.

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                      • #41
                        Re: K79 Oven Build

                        Soldiers again! Do a search on using soldiers for the first course. Structurally unsound IMO.
                        Kindled with zeal and fired with passion.

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                        • #42
                          Re: K79 Oven Build

                          Originally posted by david s View Post
                          Soldiers again! Do a search on using soldiers for the first course. Structurally unsound IMO.
                          This is the first I've heard of that and I've posted my build for about 2 weeks now. That's upsetting.
                          Link to my oven build on YouTube:

                          http://www.youtube.com/watch?v=Ujb7lqVcSzQ

                          Comment


                          • #43
                            Re: K79 Oven Build

                            K79, I understand how soldiers might be less sound, I built my oven several years ago and have soldiers and have no problems. No cracking in this area and when I built it was a question of preference. If you use soldiers you'll have a bit more room at the edge of the floor. IMO as long as you build with care your oven will be fine with soldiers.

                            Chris

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                            • #44
                              Re: K79 Oven Build

                              I do not see any difference between 2 courses of vertically stacked stretchers and a solider course as as it relates to outward thrust imparted by the dome. Parge the exterior when you are done and it should be GTG.

                              A sailor course is different though, it has to be reinforced or buttressed.

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                              • #45
                                Re: K79 Oven Build

                                Originally posted by Tscarborough View Post
                                I do not see any difference between 2 courses of vertically stacked stretchers and a solider course as as it relates to outward thrust imparted by the dome. Parge the exterior when you are done and it should be GTG.

                                A sailor course is different though, it has to be reinforced or buttressed.

                                This picture shows my soldier dimensions:

                                Last edited by K79; 03-15-2013, 08:17 AM.
                                Link to my oven build on YouTube:

                                http://www.youtube.com/watch?v=Ujb7lqVcSzQ

                                Comment

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