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  • #16
    Silly question on drilling holes in a popper

    Err... No not really. I'm averaging 750g per week now. Especially nearing Christmas. Lots of visitors. The popper is too small! I'm even thinking of another corretto to increase speed of output!

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    • #17
      Originally posted by brokenvase View Post
      Err... No not really. I'm averaging 750g per week now. Especially nearing Christmas. Lots of visitors. The popper is too small! I'm even thinking of another corretto to increase speed of output!
      I roast once a week in a Coretto, 725 grams, set up right it does it with ease.
      Roasts are consistent and very repeatable.

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      • #18
        Silly question on drilling holes in a popper

        Originally posted by Yelta View Post
        I roast once a week in a Coretto, 725 grams, set up right it does it with ease.
        Roasts are consistent and very repeatable.
        How many rounds do you go? You mean 725g in one hit? I do it in 3 batches.

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        • #19
          Originally posted by brokenvase View Post
          How many rounds do you go? You mean 725g in one hit? I do it in 3 batches.
          Yes, 725g in one hit.

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          • #20
            Silly question on drilling holes in a popper

            Wow! Err.. How? I haven't modified anything on mine. Just took the top off and doing open corretto. I'm not so good with tools and electrics so that's why I've been holding off to modify anything. Is yours closed? Also I found that if I increased the weight the stirring action is not as consistent and uniformed...

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            • #21
              If you know someone in the trade, you could always add a PID controller?
              http://coffeesnobs.com.au/roasters/3...my-popper.html

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              • #22
                Originally posted by brokenvase View Post
                Wow! Err.. How? I haven't modified anything on mine. Just took the top off and doing open corretto. I'm not so good with tools and electrics so that's why I've been holding off to modify anything. Is yours closed? Also I found that if I increased the weight the stirring action is not as consistent and uniformed...
                Hi brokenvase
                We seem to have gone a bit off topic, but…
                I use a corretto too - I tend to do 350g batches but have done up to 600g. I think you'd find that if you covered your pan, you'd get a much more even roast overall. Even from your pics I can see the un-eveness you mentioned - maybe partly stirring action, but more heat un-eveness IMHO.
                The principle is that when it's an open top, even with the smaller batches, you have to have the gun temp much higher to get a similar profile - and the beans on top get more direct heat than those underneath. Can get some scorching even. Even more extreme results with larger batches.
                But cover the top/insulate the pan, and it's an enclosed system - much lower gun input temps needed, much more even heating throughout. As Yelta said - bigger batches shouldn't be an issue :-)

                Matt

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                • #23
                  Silly question on drilling holes in a popper

                  Originally posted by DesigningByCoffee View Post
                  Hi brokenvase
                  We seem to have gone a bit off topic, but…
                  I use a corretto too - I tend to do 350g batches but have done up to 600g. I think you'd find that if you covered your pan, you'd get a much more even roast overall. Even from your pics I can see the un-eveness you mentioned - maybe partly stirring action, but more heat un-eveness IMHO.
                  The principle is that when it's an open top, even with the smaller batches, you have to have the gun temp much higher to get a similar profile - and the beans on top get more direct heat than those underneath. Can get some scorching even. Even more extreme results with larger batches.
                  But cover the top/insulate the pan, and it's an enclosed system - much lower gun input temps needed, much more even heating throughout. As Yelta said - bigger batches shouldn't be an issue :-)

                  Matt
                  Yes. We are going off topic. Maybe the mods can move these ones?

                  I get what you mean about the even roasting. I'm just too lazy to do the lid up properly. Plus my laziness self justifying reasoning tells me that these imperfections are like what Holga film toy cameras are to photography: intentional random flaws that adds the the beauty of it :P perhaps these lighter beans add to its fruitiness *grin*

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