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Thread: Virgin Roaster

  1. #1
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    Virgin Roaster

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hey all,

    Did my first roast today with some Mocha Harar beans from Alan Frew (missed out on the newbie packs :( )

    I used a Bunnings heatgun and a shiny new dog bowl. I got a surprisingly even roast using a pair of long BBQ tongs to stir, although my arm hurts now.

    Cracks werent very audible above the noise the heatgun made, although I did hear a few pops at one stage which Im guessing is the first crack.

    Anyway I just wanted to post here to ask the opinion of all you pros out there if my roast looks OK?

    Here it is, I tipped it into the grinder already, and can I try some straight away or do I have to wait? Oh and will chaff screw up my grinder?

    Thanks!


  2. #2
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    Re: Virgin Roaster

    Just make sure theres no stones in with the beans, chaff doesnt hurt the grinder.

    I dont think you got to second crack but thats ok, some coffee is better staying out of 2nd crack. You might try a long thin whisk to stir the beans. If youre having difficulty hearing the cracks, just go until you see a little sheen on the beans. This will be somewhere along rolling 2nd crack. You can at least see by sight that the roast is done, even if you cant quite hear it.

    Congrats on your first roast as well. Were running out of roast maidens, time to move onto another village :P

  3. #3
    Senior Member robusto's Avatar
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    Re: Virgin Roaster

    Congratulations, Bloop. From the photo it looks like a pretty good roast to me. Youll have to graduate to automation to save the arm!

    Best to let them vent for a day before using consuming them. Put them into a glad zip bag, give the bag just one prick with a needle and that will do the job. Instant one-way valve.

    Chaff is best removed before your grind.

    I empty the hot beans into a colander (though any wide-mouthed saucepan will do), and then empty them into another colander, allowing a small desk fan blow chaff from the falling beans.

    Repeat the process a few times and that will not only quickly cool the beans, but clear away the chaff.

    Once again, well done.

    Robusto


  4. #4
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    Re: Virgin Roaster

    If youre using a heat gun, chaff retention shouldnt really be an issue.

  5. #5
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    Re: Virgin Roaster

    second that - a heatgun/dogbowl wont see much chaff at the end of it - as per your picture. Minimum chaff on a couple of beans is fine.

    Nice work - the heatgun rules. Now all you have to do is mount the HG so you dont have to hold it.... then build a stirring arm or a sample roaster so you dont have to stir it.

    Its less complicated than it sounds... and Ive gotta say that holding a beer instead of the wisk is definatly the way forward!

  6. #6
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    Re: Virgin Roaster

    You could always offer to teach someone. Get them to hold the heat gun and stir while you observe and critique.

    (Dont try it with the missus - mine got peeved when she cottoned on..) ;D

    Boris

  7. #7
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    Re: Virgin Roaster

    nice work. Have done my own first roast yesterday I dont know if I can really judge how well roasted they are, but it looks like you are in the ballpark at least... seems like there might be a few of us newcomers in the next few days.

  8. #8
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    Re: Virgin Roaster

    Thanks for all the replies and encouragement. There wasnt much chaff left, most of it was on the verandah, but I noticed some as I was tipping the beans into the grinder, just didnt want it gunking up the grinder, if it did that.

    " Just make sure theres no stones in with the beans"

    Stones ooh now I did not think to check for stones... must remember to do so next time, dont want Rocky to get stoned now. ;)

    "Best to let them vent for a day before using consuming them."

    Whats the reason for this Robusto? Just curious.

    "Its less complicated than it sounds... and Ive gotta say that holding a beer instead of the wisk is definatly the way forward!"

    Beer? Dont you mean coffee?!?! ;D

    "You could always offer to teach someone."

    I could but there seems to be a shortage of eager students for some reason hmmmmm...

    "nice work. Have done my own first roast yesterday I dont know if I can really judge how well roasted they are, but it looks like you are in the ballpark at least... seems like there might be a few of us newcomers in the next few days."

    Glad to see a fellow newbie! I found the following page quite helpful for determining when to stop the roast, have a read if you havent already.

    http://www.sweetmarias.com/roasting-VisualGuideV2.html



  9. #9
    Senior Member Lovey's Avatar
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    Re: Virgin Roaster

    Gday Bloop,
    congrats on your first roasting efforts. *You do realise now that you will find it difficult to drink what is on offer at a lot of cafes *:P, now that youve had freshly roasted coffee beans to savour. :)

    "Best to let them vent for a day before using consuming them."
    Whats the reason for this Robusto? *Just curious.
    After the beans have been roasted they give off carbon dioxide (CO2) gas.
    If you grind the beans too early after roasting, without letting them rest (or vent), youll be able to taste the gassiness of the beans, which isnt pleasant. After you let them rest, the flavour profiles will become a lot more evident.
    All the best,
    Steve.

  10. #10
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    Re: Virgin Roaster

    Heres an olfactory way to validate the "rest before use" reason.

    When the beans roast, you can see and smell the smoke. To a newbie itís a little unpleasant, bit like standing up wind of campfire. After they are cool and you put them in your chosen storage receptacle, have a nostril filling drag on how they smell in the container. I think you will find the smell is inert, or only just slightly detectable. After the resting period (differs per bean variety) say in the morning, have another whiff. Youll instantly detect that great freshly roasted coffee bean smell. :)

    Cheers

    Boris



  11. #11
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    Re: Virgin Roaster

    "Youll instantly detect that great freshly roasted coffee bean smell."

    That I have indeed, and more crema, MUCH more crema... I thought I was doing something wrong previously, now I know it was just stale coffee beans I was getting...

  12. #12
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    Re: Virgin Roaster

    "Moved from another Thread" by Mal.

    Hi Newbie Roasters,

    Just my $0.02 worth......

    When youre first starting off in the wonderful world of roasting, regardless of the method you use, you really need to start a Roasting Record Log to record the roast milestones of all the roasts you perform so that you can repeat or modify future roasts according to previous tasting results.

    For example, when you start off with a new bean type (I guess they will all be new bean types for a while), its a very good idea to roast three small batches of the bean.... the first roast to just the start of rolling 2nd Crack, the second roast to about 30 seconds before 2nd Crack and the third to 30 seconds past 2nd Crack.

    You then allow these roasts to "rest" for a couple of days in an appropriate storage medium such as has been mentioned above - a zip-lock bag with a pin-hole punched into it - label which roast is which and then set aside in a dark cool place to rest, like a Linen Cupboard for example.

    Once theyre rested, youre ready to give each roast a few tries at "cupping" (just a sip, swirl around the tongue - front, centre, back and sides - and then flush your mouth out with water, ready for the next one). Dont try to be too discerning about trying to describe all the flavours at first, just keep it simple in terms of bitterness/sourness/sweetness/body or lack of/whether it leaves an after-taste and for roughly how long. Of course, if there are any very prominent characteristics, you should note what these are too and record them as well.

    After youve done this quick cupping session on each roast, youll be in a much better position to determine which roasting profile you like the most.... you can then decide if you would like to change the profile a bit one way or the other to enhance/diminish any particular characteristic of your choosing. For example, you might notice that a "dark chocolate" flavour appears to become more pronounced as the roast progresses and you would like to try and enhance it further. This is easy now, since youve kept records of the previous roasts.... so you can try another small batch roast and allow it to progress a further 30 seconds into 2nd Crack for example, and then "cup" again after resting.

    Ive found that this method works well for me and allows me to repeat roast profiles of all the bean varieties to within seconds of where previous roasts where taken. Almost always assured of getting the best out of the beans for my palate and thats the name of the game.... were all different and have varying likes and dislikes when it comes to coffee and this is one way to ensure you can repeatedly obtain the flavours of any bean, that appeals to your palate.

    Happy roasting guys....

    Mal.

  13. #13
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    Re: Virgin Roaster

    Behmor Coffee Roaster
    Quote Originally Posted by bloop link=1137732096/0#7 date=1137761523
    Beer? *Dont you mean coffee?!?! * ;D
    No. I mean beer. The other food group.



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