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Fire Brick angle on first layer when forming Dome - 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:
- Each AMA will have a "sticky" thread where the community can post questions they would like answered during the live session. This will allow everyone to participate even if you can't be online for the live session. These questions will not be answered by the host until the live AMA; if you need an answer quickly, you should post it in the appropriate Forum area for the community to respond.
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- The live thread will remain in the AMA forum to view after the session.

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.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Fire Brick angle on first layer when forming Dome

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  • Fire Brick angle on first layer when forming Dome

    Hi Folks,
    Obviously, depending on the height and diameter of the dome, one's angle will vary when starting the oven. My drawings dictate to me a seven degree rise off 180 on the first layer. The inside diameter of the oven is 42 inches. The inside of the domes height is 22.25 inches. Can anyone give me some feedback relating to this. It would be appreciated.
    Thanks
    The Rogue

  • #2
    Re: Fire Brick angle on first layer when forming Dome

    Think it would be easier to answer your question if you posted a copy of your drawings. I'm sure there is some mathematical way to do this, but I based mine all on sketchup drawings too.
    My build progress
    My WFO Journal on Facebook
    My dome spreadsheet calculator

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    • #3
      Re: Fire Brick angle on first layer when forming Dome

      Have you used or have access to AutoCAD? It's quite easy to do a simple sketch with the measurements you have and then measure the angles within the program!
      Boom Shanker! (Neil - The Young Ones)


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      • #4
        Re: Fire Brick angle on first layer when forming Dome

        I used 12 courses to get to the top (21 inches). 90 degrees divided by 12 is 7.5 deg / course.

        EDIT The plug was cut at an angle as well so if you count 13 courses, thats pretty close to your 7 deg.
        Last edited by Les; 04-25-2012, 05:55 PM.
        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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        • #5
          Re: Fire Brick angle on first layer when forming Dome

          Hi Folks
          Am presently using the auto cad software 2002. Very effective and helpful. Just wanted to confirm for myself that I'm on the right track. Many thanks to Ozovenbuilder,Deejayoh,Les and Boom Shanker for your input.
          The Rogue

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