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Thread: single roast...3/4 roast...double roast

  1. #1
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    single roast...3/4 roast...double roast

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    After reading the article on roasting stages on sweet marias... brilliant stuff. I got to thinking about the above terminology that is fairly common in a lot of coffee suppliers.

    What I was wondering was if the terminology is in relation to the cracking stages while roasting.?

    For example a single roast is when the roast is stopped some point after the first crack, a three quarter roast (my personal favourite)ball with this. Somewhere cose to 2nd crack, and double roast(OGs preference) after the second crack. Or am I thinking far too much and totally off the radar here.

    I will admit that I do like to know the science behind stuff ;D

  2. #2
    Super Moderator scoota_gal's Avatar
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    Re: single roast...3/4 roast...double roast

    Hey, Lucinda.

    I think this will get a better response in Home Roasting...;)

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    Re: single roast...3/4 roast...double roast

    Methinks is a bit like statistics (where you can make the figures do whatever) sounds like marketing hype,....Seems to me to be confusing ways to describe roast levels, that somebody thinks sound like they mean something.
    For example, my mind thought that double roasted might mean roasted once, then again, which we all know is likely to produce rubbish, if it meant to 2nd crack, its still a bit vague, is it to start of rolling 2nd, 20/30/60 seconds of rolling 2nd or what?
    Whereas describing the degree of roast, such as light, medium, medium/dark, dark, Espresso, etc, does mean something, and the American system is also more meaningful.

    OTOH Single might mean one type of bean only, 3/4 might mean a blend of 3/7 one variety + 4/7 another variety, and double might mean half and half 2 varieties,....

    There is also, unfortunately, some roasters out there who will tell you that it s very difficult to roast your own beans at home???

    Would be interested to hear the offical explanations for "single", "3/4", "double" roast, if there is one.



    Regards
    Bullitt




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    Re: single roast...3/4 roast...double roast

    Okay i have found the answer by asking a coffee roaster.

    Basically a single roast is when the beans are pulled early into second crack.

    3/4 roast is pulling the beans out during second crack and

    Double roast is when the beans are roasted right through second crack, which makes sense as this is when we tend to get burning and over roasting issues.




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    Re: single roast...3/4 roast...double roast

    No wonder its so hard to roast at home, the terminology is so difficult to master ;)
    But then I have also talked to a coffee roaster, and those terms were never used in discussing roast levels.
    Maybe its something to do with translation from other languages, like for example "fried rice", in Indonesia its "Nasi Goreng", which, translated literally is actually "rice fried".

    Nevertheless an interesting little question.
    Regards
    Bullitt

  6. #6
    Sleep is overrated Thundergod's Avatar
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    Re: single roast...3/4 roast...double roast

    Hazels never used that terminology with me when discussing roasts.

    Ill have to add it to the list of things I keep forgetting to talk to her about.

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    Re: single roast...3/4 roast...double roast

    These terms may just south australian, I am not sure as the city roast, full city roast terminology confuses the hell out of me as I have no idea what they are.

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    Re: single roast...3/4 roast...double roast

    Yeah point taken,
    the American system doesnt seem to have much logic behind it initially,
    and takes some getting used to, and I dont really use it much myself.

    Unique to South Australia, not really, there was a Riva add on TV a while ago that used the term double roasted...

    Nevertheless Im glad you brought the topic up, as I had wondered about it myself from when I saw the Riva add.

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    Re: single roast...3/4 roast...double roast

    Quote Originally Posted by lucinda link=1163588013/0#3 date=1167357120
    Okay i have found the answer by asking a coffee roaster.

    Basically a single roast is when the beans are pulled early into second crack.

    3/4 roast is pulling the beans out during second crack and

    Double roast is when the beans are roasted right through second crack, which makes sense as this is when we tend to get burning and over roasting issues.
    But 3/4 is less than one (single). So shouldnt it be 3/4, then single, then double?

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    Re: single roast...3/4 roast...double roast

    You would think so, but a 3/4 roast is stronger than a single roast - and if you look at bean colour, single roasted beans are paler than a 3/4. Double roasted beans are darker again.

    It may lso be a reference to how far into second crack the beans are roasted ( which is my guess).


  11. #11
    Super Moderator Javaphile's Avatar
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    Re: single roast...3/4 roast...double roast

    Behmor Coffee Roaster
    Quote Originally Posted by lucinda link=1163588013/0#9 date=1167969078
    It may lso be a reference to how far into second crack the beans are roasted ( which is my guess).
    Or maybe 3/4s of the way between 1st (Single) and 2nd (Double) crack. :-? :-/

    Thats the problem with terms that arent clearly and exactly defined. No one knows what they mean and hence theyre meaningless except in a general sense. That seems to be the case here where theyre describing a light, medium, and dark roast rather than an exact roast level.


    Java "Or maybe not!" phile



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