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Thread: Gene Cafe - About Harar Blue Horse

  1. #1
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    Gene Cafe - About Harar Blue Horse

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Did anyone try to roast this bean before? I tried 2 different methods yesterday

    1. slow ramp: 150 for first 5 mins, 230 till it drop, time is around 20 mins
    2. fast ramp: 250 all the way to FC, and 230 till finsh, time is around 17.5 mins.

    Anyone wanna guess which one has better taste? :P

  2. #2
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    Re: Gene Cafe - About Harar Blue Horse

    I would be tipping the fast ramp gave better results but would love to know.

  3. #3
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    Re: Gene Cafe - About Harar Blue Horse

    by the way, harar blue horse is about to touch SC, in case you want to know :P

  4. #4
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    Re: Gene Cafe - About Harar Blue Horse

    Result from Harar Blue Horse

    1. still abit grassy, the favour is acceptable, but not as strong as I thought
    2. the bitterness found in the cup :(

  5. #5
    Senior Member GregWormald's Avatar
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    Re: Gene Cafe - About Harar Blue Horse

    So no. 1 is a sort of drying time (there wont be much flavour development at 150°) and then normal to the finish?

    Was the 150° your set temp, or did you start the 5 minutes once the GC was up to that temp?
    How far into 2nd crack did you go?
    What colour did you finish at?

    Im starting to use a slower roast than just relying on the heat capacity of the GeneCafe for the temperature rise, and getting smoother, less acid coffees than a straight roast--which I prefer in my ristrettos. Now Im trying to find out how much to slow the rise, or whether only the 1st-2nd time is of major significance.

    My last trial was to set the temp. and then raise 10° after the GC had reached a minute at that temp. My Ethiopian Limmu and went--180° up to 230°--1st crack at 15 minutes--lower temp to 220°, 2nd crack at 19.5 and then cool. Came out at just a tad darker than CS 10 and very even.

    Drinking nicely now 4 days later, but not as flavourful (yet) as a faster rise to 1st.

    I reckon the rise to 1st was a bit slow--Ill try 45 sec intervals or even 30 sec next time. Given that the beans keep heating even as the heater cycles at the intermediate temps, the 1 min pauses only stretched the 1st crack by 2.5 minutes.

    BTW-- I now never set the temp higher than 230°, and am also going to try a max set of 220° and see how that goes.
    Since this 220° is close to the terminal temperature I am aiming for, this may stretch 1st to 2nd and yet give a good time to 1st due to the fact that the heat will be on until the exit temp of the GC reaches 220° and the heater starts to cycle.

    Hmmm, as I write this, I think Ill do this next--it sounds right theoretically. (Of course, theoretically there is no difference between theory and practice, while in practice there nearly always is!)

    Happy experimenting, and let us know your results.

    Greg

  6. #6
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    Re: Gene Cafe - About Harar Blue Horse

    The 1st method was setup 150 from the start for 5 mins, after that, I change temperture to 250. While it reach to FC (about 13 mins), I lower the temperture to 230. and FC was finish at 15 mins, I keep the temperture at 230 till I hear the first pop of SC, which is 19:30.

    weight from start: 200g
    weight after roast: 165g

    and the result actually came out better than the 2nd method, but the favour was abit less. Next roast I might try to shorter the period before FC (increase ramp), and lower the temperture between FC & SC.

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    Re: Gene Cafe - About Harar Blue Horse

    Behmor Coffee Roaster
    I hope you get it worked out ... Ive got some ready to go!



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