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Sour beans for a newbie roaster :-(

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  • #31
    Re: Sour beans for a newbie roaster :-(

    Hey Javabeen,

    Get yourself a chopstick and give the beans a helping hand at the start.. just to get momentum soing.. and the fan should then be able to move the beans along by themselves... 2 mins at first crack is a little soon and I suspect that was because they werent agitated at the start.... but otherwise, youre getting a nice roast time there... very nice...

    Marc

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    • #32
      Re: Sour beans for a newbie roaster :-(

      Hey Marc,

      Yeah, I was thinking about the chopstick before I headed out but thought Id go with nunus suggestion that they would start to move once the moisture had started to go from the beans.

      I think the chopstick head start is a good idea, it should delay the onset of 1st crack a little and give a more even roast. I noticed it was only the occasional bean that started cracking early, and its probably the ones that were getting the most heat since they were not moving.

      Is this what most people do when roasting larger batches in a popper, give them a chopstick head start?

      Javabeen <with chopsticks in hand>

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      • #33
        Re: Sour beans for a newbie roaster :-(

        9m28sec
        Im jealous.

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        • #34
          Re: Sour beans for a newbie roaster :-(

          Because I have popperdoms to catch chaff, I can afford to shake my batches for the first 30-45 seconds to get them going, without losing any beans in the process.

          The original popperdom is here:

          http://coffeesnobs.com.au/YaBB.pl?num=1125061629/0

          You dont need to use a splatter screen mesh, you can and should use metal flyscreen instead, as it is much more flexible in size and shape.

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          • #35
            Re: Sour beans for a newbie roaster :-(

            javabeen, the early first crack you mentioned does sound like it was because it wasnt agitated.

            I did a 150g Bali Gunung Batur roast - 11 mins (20secs into first 2nd cracks). last night - took advantage of the cooler weather last night.

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            • #36
              Re: Sour beans for a newbie roaster :-(

              Good move Marc using the cooler weather to your advantage. Looks like you got a nice extended roast time for it. Are you down south or up north?

              Nunu, a popperdom, I thought Id seen it all...you are very creative. Hats off. Might have to go the shake if it gets a bit hot with the chopstick.
              Do you find the popperdom gets too hot for your hands to touch?

              This morning I made myself a doppio espresso from the 1st roast batch, and its getting better with age. Still very sweet and fruity, noticed it was a bit more syrupy today with a little acidity. Very nice.

              Preparing for a bit of roasting this weekend so I have some loverly beans for next week.

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              • #37
                Re: Sour beans for a newbie roaster :-(

                The mesh is hot to touch at the end of the roast, but it cools very quickly. If youre concerned, it would be best to have an oven mitt lying nearby.

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                • #38
                  Re: Sour beans for a newbie roaster :-(

                  Just as a silly aside I saw the pic you use as your icon on another site Nunu (nothing to do with you or coffee) and it made for a good giggle. ;D


                  Java "Ya never know where Ill go" phile
                  Toys! I must have new toys!!!

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                  • #39
                    Re: Sour beans for a newbie roaster :-(

                    Mate, the first time I saw the picture, I was literally rolling on the floor. Ever since, Ive kept it as my avatar.

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                    • #40
                      Re: Sour beans for a newbie roaster :-(

                      Heres the pic of the Peaberry from the 2nd roast.

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                      • #41
                        Re: Sour beans for a newbie roaster :-(

                        Despite the heat of Saturday, I decided to venture out in the afternoon and attempt a roast.

                        I roasted 130g this time of the of the Sumatran Mandheling. Outside temp was 25 degrees. Did things happen quickly or what!

                        I agitated the beans until they started going yellow brownish and then the popper was able to move them unassisted.
                        1st crack 4m30s. Then there were a few more cracks thru to 5m24s.
                        Then at 6m24 secs, there were all these very little crackling sounds then some smoke. Now I was confused, I thought is this roling 1st or has it gone into rolling 2nd? I thought this sounded like 2nd crack because of the small rice bubble sounding cracks so I pulled the roast at 7m03s.

                        Was I glad I did! When I switched off the popper there was blueish smoke coming out of it. I immediately dumped them into the colander and I though they were going to ignite! So I quickly started tossing them from one colander to another trying to cool them down. The smoke stopped after about 15secs and then I kept doing it for a while. I got my 19month old son to help with the cooling once they had cooled a little. Hes a great helper, loves the crema from the espressos too, but gotta watch that.
                        Then I checked the beans and they were a nice color. Not the most even roast, but then again my Sumatrans were not of uniform size, they varied A LOT. So I checked some of the beans and small pieces were missing. Hmm, that must have been the little rice bubble sounds - those pieces coming off.

                        I couldnt beleive how quickly they roasted. This was an experiment to roast on a warm day. I will now have to stick to roasting to the evenings, or early morning in the warmer weather.

                        Anyway, enough about it, pulled a shot this morning and bam, it was fantastic. 2 days to degass and they rivalled the mandheling beans I bought from a roaster. These were 4 days post roasting and I bought them to compare my roast again. I think I wont be needing to buy roasted beans much longer. This home roasting thing rocks!

                        Will see if I can get some picks of the Sumatran roast and post some here.

                        Anyone else roasted the Sumatran Madheling. How did you find it?

                        Javabeen...

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                        • #42
                          Re: Sour beans for a newbie roaster :-(

                          Looks like youre going great guns there with your roasting.
                          Well done.

                          Ive said I had forced myself into it because I occasionally couldnt find Hazel when Id run out of beans.

                          She occasionally teaches and travels to places for competitions etc and as Im but a small cog in the machine it means sometimes I have to wait.

                          However I have enjoyed the first few roasts Ive done as well as had fun moding and decorating my popper.

                          Ive even accumulated a few more green beans than I imagined I would and am starting to research what blending I might try with them.

                          The robusta from my starter pack is looking tempting......

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                          • #43
                            Re: Sour beans for a newbie roaster :-(

                            Hey thanks TG. Now that Im getting the hang of it, I, like you, am thinking of blending...

                            Might have to hit some of the other threads for suggestions.

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                            • #44
                              Re: Sour beans for a newbie roaster :-(

                              Like your work there Javabeen looks impressive.

                              I am in the same boat as you Thundergod I have accumilated far more green beans than I expected I would. Still no where near the amount of some others around here though.

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                              • #45
                                Re: Sour beans for a newbie roaster :-(

                                For blending suggestions, I would try SO blends first. Not only are they quite simple, blending with one bean type, but you also get to discover how different a SO is at different roast levels.

                                Last I checked, I think I have in the neighbourhood of 30+ kilos.

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