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Hearth construction overview diagram - 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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Hearth construction overview diagram

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  • Hearth construction overview diagram

    In response to some questions raised about the sizing of the hearth slab, I've put together this drawing.

    Remember, there's nothing sacred about any of the dimensions after you've completed the oven dome. All the "extra" room is used for the housing and to make constructing the base walls easier by not requiring cut blocks (I went mortarless so if you use the traditional 1/2" mortar joint you'll need to extend the hearth or cut some blocks). The hearth is also oversized because I gave myself the option to add thermal mass if needed and to allow for a cultured stone facing I was planning originally. Once I found the Ondura tiles I switched gears to an "Italianish" looking oven instead. You can easily remove one 1/2 block (8") from the length and potentially the same from the width to minimize the slab size.

    Also, this is for a dog house design for the oven housing. An igloo design only requires about 3" more than the dome size for the vermiculite concrete cladding. That would substantially reduce the size of the hearth.

    Jim
    P.S. Actually the file is not attached. It's too big (100K vs. 39K allowed). You can find it at groups.yahoo.com/group/fornobravo/files/
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