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BBQ Stoker to monitor coffee roast

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  • BBQ Stoker to monitor coffee roast

    I recently bought a device called a Stoker. This thing is used to monitor and control a BBQ or smoker so that you can achieve well controlled, very long, slow BBQ cooks using a charcoal grill. When it's controlling a BBQ, the Stoker simply turns a small fan on and off to modulate airflow thorugh the BBQ and therefore controls how hot the charcoal gets. No air, no fire. For those interested in BBQ and/or cool gadgets, check out the Stoker website here. https://www.rocksbarbque.com/index.html

    Anyhoo, here is me wondering what the temperature profile looks like inside my Behmor coffee roaster. The thought occurs to me: Why not fire up the trusty Stoker and let the Stoker software draw me a picture? I used the dedicated Stoker iOS app called StokeMaster to generate the following graph:

    Click image for larger version

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    (I hope the in line image works. I haven't tried attachments before.)

    For those unfamiliar with temperature monitoring in the Behmor, it is not possible to monitor the temperature of the beans directly. Only the air temperature can be monitored. I drilled a hole for the air temperature probe in the side of the Behmor as per the directions on this forum. The Stoker temperature probes require a 3.5mm hole instead of the 3mm one in the forum directions.

    Nice roast, I thought. The plot was what I was hoping to see. Fairly steep temperature rise up to around where first crack starts, slower from there up to second crack. I shut down the roast at the start of 2nd crack. Cooling was quick enough, although not super quick. The roast was one pound of Yemen Bani Ismail from CS bean bay. Behmor settings were 1lb, P1, A. Turned out to be pretty close to my aim of a CS9 roast, good for Espresso.

    Anyway, I thought I'd share this in case others out there are super-keen on gadgets, coffee and BBQ, just like I am.

    Oh, and by the way, the Stoker does pretty damn good BBQ too.

  • #2
    Rock's only make one type of actual controller. The latest one has wi-fi as well as wired Ethernet. I just used their standard controller and one of their standard "food" temperature probes.

    I haven't read the book, but judging by the reviews on Amazon, it must be a good read.

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    • #3
      did having the gauge affect the roast times at all?

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