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Chımneys - 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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Chımneys

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  • Chımneys

    Hi,

    I am planning my installation for an outdoor oven (Casa 90 or 100) and have height restrıctions because of the site. Does anyone know how the flue - chımney height affects the oven function? What is the least amount of height above the vent openıng you need to have? I realize that the hot aır needs to escape and be away from the user, but what about height for air draw?

    Any info would be appreciated.

    Thanks,
    Tony

  • #2
    Re: Chımneys

    Do a search for chimmney on the forum. I posted a couple of links that deal with this and two of them were technical with formulas.

    Basically the higher the chimney height the higher the pressure differential, ie. the better the draw. You can compensate somewhat by increasing the size but once you get below a certain height it probably wouldn't make much difference.

    Sorry, I haven't crunched the numbers. I finished mine before I found the links. I have a 42" pompeii and a 36" high (12" transition + 24" Duratech 8" dia) and mine draws plenty well.
    Wade Lively

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    • #3
      Re: Chımneys

      remember that an oven can function without a chimney, at the expense of good draw (likely a bigger issue as you get it started) and more smoke in your eyes/on the oven face. Are you able to angle the chimney to allow a taller chimney (max angle 30 degrees), and are you able to build it to code (chimney 2ft taller than any structure within 10 feet)?

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      • #4
        Re: Chımneys

        Thanks, thıs helps. I may try to angle ıt back and maybe go wıth 24 ınches of flue, possibly a somewhat wıder diameter. Luckily I am OK code-wıse.

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