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Chimney at the back - Forno Bravo Forum: The Wood-Fired Oven Community

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New Forno Bravo Forum Feature

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.
- Another thread will be posted for the live AMA. Registered users who are logged in during the live session can interact with the host by asking questions and receiving responses.
- 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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Chimney at the back

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  • Chimney at the back

    Hi all, a question on a chimney. I started a build for an oven and after getting the base done and when I was about to start on the dome, I was offered a poured refractory concrete dome from a friend to drop into place to speed up my build.

    Unfortunately the dome comes with a chimney... at the back, which I know is not the design that is recommended. To the credit of the guy who poured it, it is 1/3 the way down the back of the dome, so at the same height of the door entrance.

    I estimate I can plug the chimney with firebrick, mortared in with high-temp mortar, and extend the entrance a little to add a chimney; When I insulate and brick over it, it should just seal it up.

    Otherwise since the chimney is 1/3 the way down the side of the dome, if I 'plug' the door after I light the fire it will still get a roll on the fire around the dome before the heat goes up the chimney... although I'm not sure this will work.

    Any comments, or suggestions for those who have had to deal with this issue?

  • #2
    Re: Chimney at the back

    can you post some pics of the oven you are describing?

    Texman
    My Progress:
    http://www.fornobravo.com/forum/f8/t...ild-17324.html

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    • #3
      Re: Chimney at the back

      Originally posted by noremacc View Post

      I estimate I can plug the chimney with firebrick, mortared in with high-temp mortar, and extend the entrance a little to add a chimney;
      I don't see why this approach wouldn't work.
      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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      • #4
        Re: Chimney at the back

        With a chimney at the rear the flames will head straight for the flue exit without rolling around the dome. Having the flue at the front, independent from the oven allows the flames to circulate inside the dome much better, resulting in more even heat up, better circulation and more economical fuel use. Also without a damper you won't be able to do retained heat baking and roast very well because the heat will be lost out the flue. Your idea of blocking off the rear flue and building a gallery and flue at the front is a good one. Try to make the flue shallow so it makes the oven easier to work.
        Kindled with zeal and fired with passion.

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        • #5
          Re: Chimney at the back

          Originally posted by texman View Post
          can you post some pics of the oven you are describing?

          Texman
          I'm getting the oven on Friday so will post a few pics then. It will need a bit of work, but less than building from scratch.

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          • #6
            Re: Chimney at the back

            Texman, I posted the pics in a new thread as it also had some other air channels in the bottom firebrick layer I hadn't seen before.

            http://www.fornobravo.com/forum/f6/a...tml#post159576

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