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looking for roasting tips for Jamaica Blue Mountain

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  • looking for roasting tips for Jamaica Blue Mountain

    I got the Blue Mountain beans for a month now, roasted my first batch last night, took my usual approach 22 to 24 minutes roast in a hottop, first crack happened at 190 degree, second crack might have happened at 215 degree almost at the last 30sec of roast time, almost cannot hear second crack.

    attached last night roast data log here, someone might roast it differently, any suggestion?


  • #2
    Re: looking for roasting tips for Jamaica Blue Mountain

    Hi Summercrema,

    22-24 minutes seems an extraordinarily long time for a Hottop roast, indeed any roast. I regularly roast 250 grms to about 15-16 mins. max, with a roast development between first and the onset of second (if I go that far) of 3-4 minutes.
    Not sure of your time scaling on your roast monitor but the time between first and second appears very long which, if correct, will only bake your beans.

    The latest Hottop roasting instruction book for a Hottop B provides a very helpful 15-16 min roast profile, as does the Hottop USA website.

    I too tried the Jamacian Blue Mountain using a couple of slightly different profiles as described above.....Nice and smooth around 7 days but taste not to die for....my roasting limitations I guess.

    Hope this helps

    JL

    Comment


    • #3
      Re: looking for roasting tips for Jamaica Blue Mountain

      Originally posted by 5B7E797F4E5D74757568110 link=1330302594/1#1 date=1330309258
      Hi Summercrema,
      22-24 minutes seems an extraordinarily long time for a Hottop roast, indeed any roast.
      The latest Hottop roasting instruction book for a Hottop B provides a very helpful 15-16 min roast profile, as does the  Hottop USA website.
      I agree. WAY too long... My first question would be which model you are using.

      When I received my first Hottop and began my work with Hottop, my main (and only major) complaint was that the 22 minute default profile (there was only the one, and no manual mode) took WAY too long. That was with the KN-8828 and later the KN-8828D.

      After years of input from me as well as others, they came up with the current generation (The "P," and my personal favorite, the "B"). besides the control they give the user, the updated programming, improved control, and tighter specs on the heating element, the user can roast 250 grams in about 14 to 15 minutes, and that times can be even less depending on roast level and by decreasing the mass to as little as 225 grams.

      So.. after that, my point is that if you are using either the B or P model, and cannot get a quicker roast than that which you described, there is a problem. If you are purposely roasting that long... dont. There is much flavour being cooked away in a roast that long. tee hee.. I said flavour.. I am located on the "flavor" side of the equator.

      And by the way. For the few who may not know, I created of the content in the manual (text, photos, and all but two illustrations), and I created the Hottop USA website including all the repair procedures. While they are a client, I am not an employee and do not benefit from sales other than from future work from them.

      Comment


      • #4
        Re: looking for roasting tips for Jamaica Blue Mountain

        Hi Summercrema,
        Just looking again at your roasting log, in particular a 12 minute roast development time between first and second, and would like to suggest this type of roast can be substantially improved,if you wish to take on board some suggestions.

        Incidently, have you cupped or tasted your roast yet and how was it?
        Perhaps you might bag it to rest for 5 days before tasting again.

        The increase in temperature up to first crack seems a lot less than the norm (or capability) of a Hottop which ideally is about 10c per minute from 150c to 190c before reducing power prior to first crack.

        Couple of questions... Do you have a P or B model ?
        Also did you record your power/fan settings throughout the roast?

        Im hoping a couple of Hottop buffs can also chime in to assist you.

        Cheers

        JL

        Comment


        • #5
          Re: looking for roasting tips for Jamaica Blue Mountain

          Just seen RandyGs post...summercrema,listen to Randys advice, he is highly regarded in respect of Hottop.

          JL

          Comment


          • #6
            Re: looking for roasting tips for Jamaica Blue Mountain

            Hi Juliet,

            I can do the roast quicker, normally I allow a 2 degree rise for each minute between FC and SC, once I find out SC point for Blue Mountain I can try a 3 degree rise.
            Just pull a short this morning, used it to make a latte, I would say if someone told me this is PNG I would believe it. Roasted another bag with shorter roast time I think a blind test will be interesting.

            Comment


            • #7
              Re: looking for roasting tips for Jamaica Blue Mountain

              sorry, just notice image size is too big.

              Comment


              • #8
                Re: looking for roasting tips for Jamaica Blue Mountain

                Hi Summercrema,
                Happy to help with your roasting on the hottop ( as best I can) and hopefully some other roasters might also be able to assist you.

                Its good you are tasting and comparing your roasts.

                Generally, professional roasters suggest around 3-4 minutes roast development time from established first crack until the end of the roast.

                The end of the roast might be a bit before second crack
                (lighter) or into second crack (darker)....controlling the roast during this period is done with power and fan.

                Anything more than say 5 minutes will tend to bake the roast and generate some less than desirable flavours. There is much written to support this proposition, so your 12 minutes between first and second would likely not allow you to get the best result from very expensive beans.

                Did you manage to record your power settings and fan settings for your roast monitor as posted above?
                This may help with support to tweak your roasting on the Hottop.

                Have you had a chance to compare you roast with the suggested one in your manual (if you have one) or the Hottop USA website?

                Hopefully this will assist.

                JL

                Comment


                • #9
                  Re: looking for roasting tips for Jamaica Blue Mountain

                  My Hottop is the B model, pull another shot of espresso this morning from the first roast, no setting change on grinder, it tastes richer, smells better, here is a picture of it. Did do another roast with shorter time but ended up going to the bin, it was tasteless, no aroma, roast stopped at 220 degree, must be way off the mark, I was trying to lesson for 2nd crack wasnt looking at the temp!

                  Comment


                  • #10
                    Re: looking for roasting tips for Jamaica Blue Mountain

                    To roast 250g in 14 -15mins is really fast, I will try it on other beans til I get it right before trying on the Blue Mountain again.

                    Comment


                    • #11
                      Re: looking for roasting tips for Jamaica Blue Mountain

                      Hi Summercrema,

                      Was the 220c bean temp probe or Hottop temp gauge? If it was the latter, then too hot, if 220c was the bean temp probe (if you have one) then it should have been spot on.
                      Understandably you want to play with other beans for a while.
                      I will try a normal (fast) roast tomorrow, cup the result  and provide feedback on temps. fan settings etc. including bean temp probe and hottop readout.

                      Cheers

                      JL

                      Comment


                      • #12
                        Re: looking for roasting tips for Jamaica Blue Mountain

                        Im just in awe you can afford Jamaica Blue Mountain. Well done on that...

                        Comment


                        • #13
                          Re: looking for roasting tips for Jamaica Blue Mountain

                          Hi,
                          Are you sure that you hit FC at 190c? Is that the bean temperature? That sounds very low to me, all the beans that i have roasted so far dont fc until at least a bean temperature of 210.

                          I am using a fluid bed air roaster.

                          best regards

                          Lee

                          Comment


                          • #14
                            Re: looking for roasting tips for Jamaica Blue Mountain

                            Hi Summercrema and Lee,

                            Roasted and cupped Jamacia Blue Mtn. using Hottop B2...Details as follows.

                            Load 230 Grms.
                            Charge temp 130c (hottop readout)...100% power for one minute then 80% power till 150c bean probe temp, 177c HT temp.

                            Leave bean shute ajar to release steam.

                            At 150c BT increase power to 100% till start of first crack then reduce power to 40% for one minute ,back up to 50% till finish of roast.

                            First crack at 10 mins 40 secs...192c BT probe, 200c HT readout.

                            Finish roast at 14 mins 21 secs....Drop temp 216c BT,
                            213 HT. No second crack as I wanted a lighter coffee fo use in the aeropress....I will try a tasting in the espresso around day 6-7.

                            Roast development time between first crack and roast finish 3m.40s......nice.

                            Comments, Lee this bean seems to reach first crack earlier than many others.

                            Summercrema, the above roast is not considered a fast roast. It is only a minute faster than a 250grm normal roast on Hottop.Many professional roasters roast from as little as 11-12 minutes upwards.

                            Cupping notes... Using SCAA cupping protocols, the roast scored 84.5....subjective I know, however I am not overly generous scoring my roasts.

                            Pros... Smooth, Balanced, nice mild/delicate aftertaste.

                            Cons... Lacks excitement and fruitness of most Africian coffees (which I prefer to roast)....not to die for relative to cost.

                            Will rest the beans till day 5-6 and resume tasting/drinking.

                            This is the second roast and different roast profile of JBM (this year). I did not use the fan on this occasion however will do so and compare cupping with the next roast.

                            Forgot to mention, the colour is about 8 on the CS colour guide.

                            Hope this contributes to your Hottop roasting.

                            Best Wishes

                            JL


                            Comment


                            • #15
                              Re: looking for roasting tips for Jamaica Blue Mountain

                              Cupped JBM this morning, score 85 seems about right.

                              Smooth, mild pleasing taste, lingering aftertaste.

                              Lee, what type of roaster do you have and do the results differ much from a drum roaster?

                              Incidently, the majority of first cracks in the Hottop occur between 198c and 202c Bean temp probe.

                              JL

                              Comment

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