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flue size to 8 inch round - 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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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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flue size to 8 inch round

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  • flue size to 8 inch round

    Building a 42" Pompeii and now planning my vent area. I recall on my last oven I think it was a 14 inch by 4 1\2" rectangular opening transitioning to the 6" in pipe on my smaller oven. Now with this bigger oven I am dealing with an 8 inch pipe and wondering what the recomended size of the lower rectangular opening should be before it transitions up to the 8 inch internal pipe? I was thinking the same size as my 36 inch oven as the door opening is the same size and just smooth it from the 14 x 4.5" rectangle to the 8 inch round.

    Is this ok or is there a better choice for the size on the rectangle part of the flue at the oven entrance?

    Thanks Wayne
    Step by Step of Oven #2 Build... I have built this one in partnership with a friend for a customer that took a liking to my first oven https://picasaweb.google.com/waynebe...42PompeiiOven#

  • #2
    Re: flue size to 8 inch round

    I've had a couple of glasses of wine and used a cheap calculator (doesn't have pi). It looks like the volume is good to go.
    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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    • #3
      Re: flue size to 8 inch round

      Thanks Les

      I hope those were small glasses of Wine and I hope they were delicious!

      I will go with the 14"x4 1/2" transition to the 8 inch circle. Appreciate it!

      Should you sober up before I head to the job site tomorrow morning and you change your mind feel free to set me straight.
      Step by Step of Oven #2 Build... I have built this one in partnership with a friend for a customer that took a liking to my first oven https://picasaweb.google.com/waynebe...42PompeiiOven#

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      • #4
        Re: flue size to 8 inch round

        I'd make the transition as large as practical Wayne, to ensure at start up that all the smoke is captured and directed up into the 8" flue.
        My oven is a 40"Pompeii and has a large chimney void which works exceptionally well. Pictures are on my build posting.
        However, the deeper you make it, the further you will need to reach into the oven.

        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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