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  1. #1
    Junior Member
    Join Date
    Jun 2019
    Location
    Empangeni South Africa
    Posts
    27

    How to get roast consistency .

    Good Day,

    A few day back I tried to copy a very rewarding roast. I keep accurate records of weather conditions, and of the physical roast on Artisan. I follow a thorough warm for about 1hour and always start my roasts at 20 C lower than charge temp.(consistancy)

    On this particular day the ambient temperature was 10 C higher than my default (Artisan) background. All the roasts were roasted to 230 C. Between the four roasts the time varied by 48sec which has a significant influence on taste (variance).

    I am very interested to hear what you would suggest to improve consistency. As I follow my background live, could one adjust as one sees differences appearing, or would you try alter your charge temp slightly to try make the adjustment? I do record humidity, ambient temp and baromatic pressure, do they have a big influence on the roast.



    Regards Lawrence

  2. #2
    Senior Member
    Join Date
    May 2014
    Location
    Kansas City
    Posts
    1,375
    One thing to keep in mind - your first roasts tends to be always a little slower than after your machine is warmed up (obviously machine dependent). I tend to always give my first roast of the day a little more gas to adjust for this. What are you roasting on?

  3. #3
    Member
    Join Date
    Feb 2012
    Location
    North East North Carolina, USA
    Posts
    94
    I try to use the same beans as before for the first roast of the day.
    That way, I can compare (also using Artisan) my previous first roast of the day against the one today.
    Now there are probably ambient temperature and humidity differences, but it (almost) removes one variable thus improving consistency.

  4. #4
    Member
    Join Date
    Feb 2015
    Posts
    85
    It really helps to keep your roasting environment a consistent temperature. +/-10*F if possible. It's important for the air coming in to the roaster, but also for the beans. If the room is 20* hotter, so are the beans.

    Doesn't everyone roast the decaf as the first roast of the day?
    Last edited by almico; 10-06-2020 at 10:03 AM.

 

 

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