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is 2" enough thermal mass? - Forno Bravo Forum: The Wood-Fired Oven Community

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Photo Galleries are back! Instructions below.

Dear forum users,
Thank you for your patience with the Photo galleries. We've got your galleries online!
We have finished writing a custom script to migrate the PhotoPlog to vBulletin5’s albums.

Unfortunately V-Bulletin killed the "Photoplogs" in their software upgrade which was unforeseen and we're the first development group to have written a script for getting the galleries back... that said, it took some time to reverse engineer the code and get the albums to move over seamlessly!

Forum users will be able to access their “PhotoPlog” images through their user profile page by clicking on the “Media” tab.
They will also be able to browse other albums by going to the albums page. (On the forum site, there is a link in the black bar beside “Forums” to the albums.)

In order for users to create an album please follow the steps below.
1) Go to user profile page and click “Media”
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3) Enter Photo Gallery Title in the first field
4) Click Upload or Select from Photo Album to add photos
5) Click Post
6) Once posted, the album will be created as a “Topic” on the albums page for the public to see. The topic title will be the “Photo Gallery Title” they created before uploading their photos.


To create this migration path we used vBulletin5’s default album structure. Unfortunately, it won’t work like the “PhotoPlog” but is an album/gallery component on the forum now.
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is 2" enough thermal mass?

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  • is 2" enough thermal mass?

    Hello

    The fire-bricks I am using to build the hearth and dome are quite unusual in shape. They measure 9" x 7.5" x 2". They come from night-storage heaters and a cost effective alternative here in the UK. I've been collecting them for over a year so far and they haven't cost me a penny I have plenty, and could build the dome using the 2" side on the internal face of the dome. Yes, that will mean a lot of cutting and many layers, so I wanna avoid that.

    My question is: if I use the bricks in such a way that I have a 2" thickness to the walls and hearth. Will that be enough thermal mass to keep the oven hot?

    I appreciate the oven will heat up quicker if it's thinner. But I'm not really concerned if I need to leave the fire roaring for longer. I can easily add more thermal mass by rendering the dome. The hearth will be different and I'll need to think that one out

    Thanks in advance

    Mick

  • #2
    Re: is 2" enough thermal mass?

    My dome is two and a quarter inches thick, with no outside rendering, and it works fine.

    It's a lot of work to build one that thin, and it's not as strong as a thicker dome, but I don't think it's inherently too thin. After all, that's how thick all the modular ovens are.

    I don't think, from experience, that there is any real heat-up time advantage to a thinner oven.
    My geodesic oven project: part 1, part 2

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    • #3
      Re: is 2" enough thermal mass?

      4 or 5 inches is more typical. Do you have enough for two layers ?

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      • #4
        Re: is 2" enough thermal mass?

        If I cut the bricks and use the narrow side (2") on the inner edge I still have enough bricks. That will give me about 4" thickness to the dome. It's gonna take a load more layers/rows and more cutting . But there's no rush

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