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6" chimney - Forno Bravo Forum: The Wood-Fired Oven Community

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I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

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.

Ask Me Anything New Forum Feature

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.

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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6" chimney

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  • 6" chimney

    Is anyone using a 6 " chimney? I made my door width smaller and i'm wondering if i can use a 6" and still get a good draw?

    thanks,

    david

  • #2
    Re: 6" chimney

    David,
    I don't believe that the door width has anything to do with the chimney diameter.
    It all comes down to your oven size and the size of the fires required to heat it up in a reasonably short time. A 4" flue would be ok on a 42" Pompeii if you only had small campfires inside and it took 4 hours to heat up and not necessarily to the Pizza temperatures.
    Follow the FB plans and as they recommend 6" for the 36" oven and 8" for the 42". I personally would go 8" for both and only drop to a 6" for a small oven, say 32' or smaller if you don't want smoke coming out the front and staining your face entrance.

    Neill
    Prevention is better than cure, - do it right the first time!

    The more I learn, the more I realise how little I know


    Neillís Pompeiii #1
    http://www.fornobravo.com/forum/f8/n...-1-a-2005.html
    Neillís kitchen underway
    http://www.fornobravo.com/forum/f35/...rway-4591.html

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    • #3
      Re: 6" chimney

      It is the volume of the chamber that determines the diameter of the flue required. Also the depth ,width,and form of the entry. Like Neill said, follow the plans.
      Kindled with zeal and fired with passion.

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      • #4
        Re: 6" chimney

        Thanks, it is a small oven, so i'll check a fireplace shop nearby that is supposed to have Dura vent.

        David

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        • #5
          Re: 6" chimney

          Actually I use a 5" flue, but my oven is small (21" internal diam) It gives plenty of draw.
          Kindled with zeal and fired with passion.

          Comment


          • #6
            Re: 6" chimney

            The most important measure for a good draw is the height of the chimney and a gradual transition to the flue pipe. A 3m heigh,6" diameter will give a very good draw. A too short pipe will create poor draw even with a larger diameter.

            karl

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            • #7
              Re: 6" chimney

              I built a 36" Pompei and used a 6" flue and it draws great. I think some of the capture issues is how you do the transition. There are some good pics on this forum that I copied. That may be the most important part to get a good draw.
              ____________________________________________
              sigpic

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              • #8
                Re: 6" chimney

                For me a brick arch is better. Try recessing your arch so that it catches all the smoke like i have.

                Its almost as good as having forced induction

                Click the pics to enlarge
                Regards
                Adrian

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                • #9
                  Re: 6" chimney

                  Adrian,

                  Thank you for the suggestion and the photos. Can you give me some size scale for the pictures, please? (What size brick did you use, and which bricks were cut by how much). I think I see cut marks that say the 'stepped up' transitional space at the top uses home-made half-brick splits.

                  Again, Thank you.

                  bd

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                  • #10
                    Re: 6" chimney

                    My mother has two fireplaces in her home, one of which is in her bedroom in which she is using a 6 " chimney . It works very flawlessly and give heating.
                    electric fireplaces

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