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Inner arch dimensions - Forno Bravo Forum: The Wood-Fired Oven Community

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Forno Bravo Forum Community,

You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
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To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

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Inner arch dimensions

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  • Inner arch dimensions

    Hi.

    I am building a new 1000mm (42") wood fired oven and have a question about the size of the inner arch opening. I am currently planning it to be 520mm (21.6") wide. My previous oven was 480mm (20") but I would like the extra space to get things in and out.

    Any advice would be really appreciated.

    Thanks
    Jase

  • #2
    Re: Inner arch dimensions

    Originally posted by pizzahead View Post
    Hi.

    I am building a new 1000mm (42") wood fired oven and have a question about the size of the inner arch opening. I am currently planning it to be 520mm (21.6") wide. My previous oven was 480mm (20") but I would like the extra space to get things in and out.

    Any advice would be really appreciated.

    Thanks
    Jase
    Mine is 21.5 inches wide and 13.5 inches tall with a 10 inch flue and 42 inch diameter oven, hemispherical entry. Breathes very well no smoke out the entry. I think you are right on target.

    Chip
    Chip

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    • #3
      Re: Inner arch dimensions

      Thanks Chip.

      I set up the arch last night and had a look. I reckon it is a bit too large so have pulled it back in size a wee bit.

      I think it will still retain heat well and also draw nicely.

      Fingers crossed.

      Jase

      Comment


      • #4
        Re: Inner arch dimensions

        Gudday
        You could always use a blast door to retain the heat while the fire in the oven and keep the entrance big

        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


        • #5
          Re: Inner arch dimensions

          Just make sure that the entry is far enough into the dome so you don't end up with a teardrop. Draw it up, make a couple of cardboard cut outs. Once you start it you have to roll with how the build progresses.

          Mike

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          • #6
            Re: Inner arch dimensions

            Hi,

            I am at the same stage of trying to get my mind around the entry arch.

            I presume that the inner end of the entry arch bricks actually reach into the oven slightly at the base. Also how important is blending the inner top of the arch, does this affect smoke flow significantly or not? My guess is that some intrusion at the base would tend to direct exhaust gases upwards?

            Dave Ly

            Comment


            • #7
              Re: Inner arch dimensions

              Originally posted by david lyons View Post
              Hi,

              I am at the same stage of trying to get my mind around the entry arch.

              I presume that the inner end of the entry arch bricks actually reach into the oven slightly at the base. Also how important is blending the inner top of the arch, does this affect smoke flow significantly or not? My guess is that some intrusion at the base would tend to direct exhaust gases upwards?

              Dave Ly
              Read the post "Octoforno" I believe this is one of the better ways to build an inner arch. My post "Chip's 42 in Minnesota" also follows this technique and it makes for a much easier transition dome to inner arch.

              Several others have used this technique and credit goes to those who developed it.

              Chip
              Chip

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              • #8
                Re: Inner arch dimensions

                Hi Chip,

                Thanks muchly for the direction, that is information I knew would be in here somewhere but old farts like me find it daunting to find the way around these sites at first.

                Regards

                Dave Ly

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