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Hearth size for 42 inch pompeii - 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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Hearth size for 42 inch pompeii

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  • Hearth size for 42 inch pompeii

    I originally posted this the other night. During the mad rush for 30K posts, it may have been overlooked (or ignored?). I wouldn't mine some feedback, so I thought I'd repost.


    Thanks,
    Mike
    --------------------------------------------------------------------------------

    I've seen quite a bit of variability in the size people have used for their 42 inch Pompeii. I'd like to avoid odd sizes if able (half blocks). Some are using 4.5 x 4.5 blocks, others as big as 6x7 blocks. Obviously much of this depends on the style of enclosure. Has anyone felt they built their hearth stand too large or too small?
    Mike - Saginaw, MI

    Picasa Web Album
    My oven build thread

  • #2
    Re: Hearth size for 42 inch pompeii

    I'm afraid I don't understand the question. Maybe a sketch, or a link to the projects that you are asking about would help me know what you're talking about.

    Sorry.
    My geodesic oven project: part 1, part 2

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    • #3
      Re: Hearth size for 42 inch pompeii

      Mike you say "blocks" and "hearth stand". to me that means the support stand below the insulating hearth, hearth, and dome. Most folks have been using (including myself) standard concrete block....they don't come in 4.5 x 4.5 or 6 x 7, regardless of the unit of measure; so I, like dmun, am confused.

      RT

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      • #4
        Re: Hearth size for 42 inch pompeii

        Agreed! The numbers don't match standard concrete block dimensions.
        GJBingham
        -----------------------------------
        Everyone makes mistakes. The trick is to make mistakes when nobody is looking.

        -

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        • #5
          Re: Hearth size for 42 inch pompeii

          I read my post again and recognize how poorly written that question was. I apologize.

          I am referring to the support stand below the hearth. I am assuming that most are using the standard 8x8x16 inch blocks (although I suppose I shouldn't assume). The numbers I gave referred to the number of blocks (dimensions of the stand).

          Looking at the photos, it seems that builders are making the stands of different sizes (understandably so, with variances in finished design, etc). For example, Ken's stand appears to be 4.5 blocks by 4.5 blocks, Acoma's is 5x5 blocks, Dave's is only 4x4 blocks, Jim and David used 6x4.5 blocks. I've seen one as large as 6x5 blocks (now can't find it).

          I was hoping for some feedback as to what considerations are made to choose these different sizes. Do some enclosures benefit from a larger supporting surface? I can build it as big as needed, but I don't want to overbuild. Does anyone wish they had built their stand larger or smaller?

          Hope this is a little more clear.

          Mike
          Mike - Saginaw, MI

          Picasa Web Album
          My oven build thread

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          • #6
            Re: Hearth size for 42 inch pompeii

            Gotcha! The side to side size of the base is determined by the outside diameter (OD) of your oven plus the amount of insulation you're planning on using, plus room for the enclosure you are planning. The front to back size is that same number, plus space for a landing, if you desire one.

            Use the number of blocks that gives you that total area or a bit more without cutting the blocks. That makes life easy. If you haven't downloaded the e-plans from the FB store (free), now would be a good time to do it. If you have, review that section on building the stand.
            GJBingham
            -----------------------------------
            Everyone makes mistakes. The trick is to make mistakes when nobody is looking.

            -

            Comment


            • #7
              Re: Hearth size for 42 inch pompeii

              Thanks for the reply, George. I have downloaded the plans and have read them several times by now. I guess that's why I posed the question. Some people are building their stands up to 2-3 feet larger than the plans state. I was wondering the reason for this, if there are considerations to make that I haven't thought of.
              Mike - Saginaw, MI

              Picasa Web Album
              My oven build thread

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