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Possibly frighteningly stupid question about chimney... - 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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Possibly frighteningly stupid question about chimney...

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  • Possibly frighteningly stupid question about chimney...

    Should the door close off the chimney, or should the chimney be open with the door in place?

    A related question is this... many designs feature a doorway arch and a second arch behind it with a slightly narrower diameter... this gives you a nice surface to put your door up against. Does it serve any other function (other than aesthetics?

    I'm considering having an arch 22cm long (using 22cm firebrick) and then casting the entrance to the dome slightly narrower to achieve the same effect... is there any problem with this?
    My oven on a pallet build thread

  • #2
    Re: Possibly frighteningly stupid question about chimney...

    If you place the door in front if the throat opening, your oven will cool down rapidly. Place the door on the oven opening, before the inside line of the throat.
    Old World Stone & Garden

    Current WFO build - Dry Stone Base & Gothic Vault

    When we build, let us think that we build for ever.
    John Ruskin

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    • #3
      Re: Possibly frighteningly stupid question about chimney...

      Ok,

      So with the oven door closed, there is effectively no chimney, right?
      My oven on a pallet build thread

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      • #4
        Re: Possibly frighteningly stupid question about chimney...

        That is correct. The oven door should completely seal the oven chamber.

        Doors are usually used after the fire is out and any glowing embers removed. Some folks may keep some hot embers inside for added warmth, however, with the door closed and the hot embers, the temperature will rise rapidly.

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        • #5
          Re: Possibly frighteningly stupid question about chimney...

          Thanks for that.

          How important is it to getting the chimney throat adapter correct? They're expensive to buy... looks like I'll have to try casting one.
          My oven on a pallet build thread

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