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Hank's Hot Box - my latest build

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    Hank's Hot Box - my latest build

    So, instead of cooking a lot I've been busy building things lately. Offset smokers, but also a new cooker. I did a one-off build just for myself, because I can, and because it's fun. I particularly enjoyed it because there were no business aspects influencing the build, I could just knock one out in my own time and design (or not design) it as I see fit. Good times!


    Background

    I've been fascinated for a long time with the "Hill Country" style smokers. One is used by the legendary Snow's BBQ, and I think Rodney Scott uses the same cookers. Basically they're built on the idea that you burn logs at high temps in a separate kiln, then shovel the newly produced coals over to the cooker, which basically looks like a very large shoe box. The benefit of this is that instead of wood smoked food you get fat smoked food. Huh? Well, when burning the logs at high temps all the volatile organic compounds (what adds wood flavor) is burnt in the kiln, so there's no wood smoke flavor left. On the other hand fat and meat juices drip into the charcoal bed and this then evaporates, and this is what I mean by "fat smoked". Just like in the PBC this adds a unique flavor.

    Compare it to another cooker: the Parrilla. I built one a few years ago, used it a lot, then sold it. But I still miss it, and it too uses roughly the same principle. But: the "smoke" disappears since this type of cooker doesn't have any lid. The charcoal is still produced "on the fly" in the brasero.


    Compromises

    I wanted two cookers in one, or actually three:
    1. Replace any kettle grill, with the Slow N Sear in the bottom, and with a Pit Viper fan and FireBoard automating the cook,
    2. A Parrilla, minus the brasero.
    3. A Hill Country cooker, minus the separate kiln.

    I figure since this is a backyard cooker I wanted to keep it small, movable and run on store bought charcoal.


    Design

    I have built a box basically, with a removable lid. The front comprises two doors, as I wanted it to swing fully open. Not only for cleaning, but also easily sliding the grill grates in 'n out,. As you can see I have several levels where I can place it.
    • Kettle mode: In order to run it as a "kettle", all I have to do is adjust top vent and bottom vent (the bottom door), and load up the SnS inside it.
    • Parrilla mode: Remove the lid (simply open it and slide to the right), open the two front doors, and get started cooking.
    • Hill Country mode: Dump a lit chimney of charcoal in the bottom, set the bottom door to one or two "steps" open, adjust the top vent and let it do its thing.


    The build
    I had the local steel shop cut everything out of 4 mm steel. The full list of materials etc can be found on my website. I've published everything so anyone who wants to can replicate the build.

    I then welded things up, and long story short, this is what it looks like.

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    Size

    The box measures 480 mm (deep) by 600 mm (wide). It is 600 mm tall. The grill grate is 400 mm from the fire at the top position. The legs are 300 mm tall, and then add the 5" swivel casters to that.


    Next Steps

    I haven't done a burn-in yet, will do that sometime this weekend. Oiled it up inside and out, so it's ready for some action soon.

    Thinking of doing ribs first to test it out.

    What do you think?
    Last edited by Henrik; July 15, 2022, 06:47 AM.

    #2
    That looks great. I think you will have a lot of fun cooking on that. Enjoy it.

    Comment


      #3
      I think new things should always be tested with ribs.

      Looks like a winner!

      Comment


      • Henrik
        Henrik commented
        Editing a comment
        Thanks! I’ll go with ribs then 😄

      #4
      First off, that’s a cute little bugger. Nice work! Second, wibs, wibs, wibs are a great choice. Waitin with great anticipation! 👍 🕶

      Comment


      • IowaGirl
        IowaGirl commented
        Editing a comment
        "...wibs, wibs, wibs are a great choice..."

        FireMan -- don't be so shy! Tell us what you really think!

      • Henrik
        Henrik commented
        Editing a comment
        If FireMan says wibs, then who am I to argue?

      #5
      Lookin' good, and lookin' forward to your thoughts once you have a chance to put it through it's paces.

      Comment


      • Henrik
        Henrik commented
        Editing a comment
        Yup. So far, after 3 hours, it holds temps like a champ. Will be fun to cook on.

      #6
      Extremely impressive! Good luck with the maiden voyage!

      Comment


      • Henrik
        Henrik commented
        Editing a comment
        Thank you!

      #7
      This is frikkin' brilliant.

      Kathryn

      Comment


      • Henrik
        Henrik commented
        Editing a comment
        It’s a fun build and experiment, let’s hope you’re right 😄

      #8
      This is a work of art

      Comment


      • Henrik
        Henrik commented
        Editing a comment
        Thanks!

      #9
      Looks like you hit all of your points on the design. Looks great. Can't wait to see pics of the first cook!

      Comment


      • Henrik
        Henrik commented
        Editing a comment
        Thanks!

      #10
      Couldn't wait until the weekend, so started doing a 2-3 hour burn-in 30 minutes ago. It's rockin' a pretty steady temp, using quality charcoal and the occasional oak split. Basically just want to see how it behaves, and burn in that oil.

      Lookin' good, just hit 220° / 450° F, gonna add a few more oak splits and really crank it up.

      Click image for larger version

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      Comment


        #11
        Schmookin!!

        THAT is Awesome

        Comment


        • Henrik
          Henrik commented
          Editing a comment
          Thanks Bad Hat!

        #12
        Wow! That is very well thought out! I'd love to see a pic of coals in the firebox. Actually see it set up for all 3 modes. Well done!

        Comment


        • Henrik
          Henrik commented
          Editing a comment
          Thanks! I’ll get to that, and share here in the pit of course.

        #13
        Very Cool! Looking forward more action shots for sure.

        Comment


        • Henrik
          Henrik commented
          Editing a comment
          Thanks, will share soon!

        #14
        Reminds me of the Chudd Box.

        Rob

        Comment


        • Henrik
          Henrik commented
          Editing a comment
          Yes, they’re similar indeed, I did a few mods to be able to add versatility.

        #15
        As requested by CandySueQ - here are two shots of the charcoal. One from the "feeding door", and one from the top.

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        Not sure if the photo does it justice, but there's plenty of space for a brisket.

        I've had it running for 3 hours now, maxed out the thermometers for a while (threw in oak splits), but it's been holding temps real solid. It's always interesting to see the temp difference between the two thermometers. They're only like 6 inches apart, vertically, but temp still differs by 10-20 degrees.

        I'm gonna run it in the 3 different modes:
        - Kettle with SnS and FireBoard + Pit Viper
        - Parrilla and
        - Hill Country
        and then take photos and share here in the pit. Stay tuned.

        Comment

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