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Behmor Plus - Roasting Approaches

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  • Grumpybarista
    replied
    I thought I would revive this thread... Having been very helpfully steered by alot of CS members post'son this thread in terms of roasting on the Behmor, it seemed appropriate to post here.

    Tonight I tried roasting some Brazil Daterra beans in the Behmor as follows and the result of the roast appears to show that some beans were scorched and the roast resulted in quite an uneven roast. I pulled the beans well before SC and chucked quite a few fully scorched beans out.

    Behmor settings [200], [P2], [C] - 14MINS
    1. Yellowing of beans, hit P4 (75% power) at 7:30
    2. First Crack at 9:22, hit P3 (50% power) and [D] to increase drum speed.
    3. Rolling First Crack was very quiet and started at 9:53 and I hit P2 (25% power)
    4. After noticing the beans were darkening faster than I liked I hit [Cool] at 11:10 and dumped the beans on an external Cooling exhaust fan at 12:00.

    I was wondering if anyone has had some success in getting an even roast on Brazilian beans on the Behmor and what steps or profiles they have used to get an even roast?

    It seems my roast really took off at first crack albeit uneven and I am sure if I left them much longer they would have either baked at the current setting, or, at a higher temperature would have burnt and been undrinkable. Here at least i think I saved them and can at least do some tasting before adjusting the roast somehow. Anyway, appreciate any thoughts or guidance here.

    I haven't had any other bean scorch or become so uneven in my limited roasting experience (this is my 17th roast).


    Click image for larger version  Name:	PXL_20210225_104936746.MP.jpg Views:	0 Size:	448.1 ** ID:	858593

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  • woodhouse
    replied
    so had another couple of cracks at the yirg, dropping earlier and earlier until it just tasted cerealy, and finally decided to go back to the original recommendations (p1 through 1c, then back up to p3 for 30s then drop), where i was getting both fruit and roasty ash. This time, I took the plunge and opened the door partially when I hit cool. Messy, but it’s made the world of difference. Gone are the ashy notes from the v60 - it’s tasting a lot closer to the filter roasts I’ve bought. Now instead of just dropping earlier, I can focus on development.

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  • woodhouse
    replied
    thanks for that! i don't have any temperature probes or software, and i haven't been monitoring ET so far.

    i've been away, so got a chance to fire up the behmor yesterday. i'm trying to change just one variable per roast at the moment, so i went with:

    200g yirg kochere (washed, as you guessed)
    P1 A Start 0:00 (i'm using a stopwatch)
    P5 and D at 8:30
    (very first crack at 8:50)
    (rolling 1C at 9:15)
    P1 and D at 9:30
    Cool at 10:00

    drinking a v60 of that right now. getting a lot more acidity and less muddled fruit sweetness, but now there's a more roasty and bitter element, and this is at a 17.6% extraction. i'm guessing that i improved the development and the evenness through the increased drum speed causing a more even first crack, but also increased the end roast degree. come to think of it, i think i'll try this through the flair espresso next...it might be a nice third-wave light espresso roast. :P

    now, you say to make sure that the temperature starts climbing again around the 7min mark? what happens to cause a temperature shift at this time? with P1, the temperature should be at maximum.

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  • LeroyC
    replied
    Behmor Plus - Roasting Approaches

    Originally posted by woodhouse View Post
    bumping this thread, as it's been a great resource to me so far in my behmor roasting, and i'd like to contribute.

    finally achieved my first light roast yesterday, and cupped it today without any signs of smoky or ashy notes - but a little cereal-y. i'm currently roasting yirg kochere. 200g, P1 A, 0% power at R1C for 30s, and then cool. my previous roasts have all ended up on the darker side, and i think this is due to me applying too much heat during 1C. i'm thinking of taking the suggestion in the OP, and doubling the drum speed to get a more vigorous 1C.
    Sounds like a washed Yirg? If I was roasting it I would follow a similar process, but it would be more along the lines of:

    • 250g batch (I have lots of success with this batch size as the Behmor is very particular when it comes to this variable)

    • 200-P1-start

    • Monitor B temp (and Heatsnob if you have one) and make sure the temp starts to climb again around the 7min mark. If it doesn't I would hit P4 at this point.

    • About 1min before first crack hit P5 (unless having already hit P4 earlier is giving it enough heat and a great enough ROR)

    • 30-60secs before first crack hit D

    • Hit P3 and C at first crack.

    • Hit D again to slow drum speed about 30secs into rolling 1C

    • Adjust heat up or down if necessary, bit usually I find it's not needed.

    • Hit cool whenever you're ready once 1C has finished. Could be anywhere from 5-90secs after the end of 1C depending on what you're going for.

    This would be what I'd try first and I'd make adjustments based on the results.

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  • woodhouse
    replied
    bumping this thread, as it's been a great resource to me so far in my behmor roasting, and i'd like to contribute.

    finally achieved my first light roast yesterday, and cupped it today without any signs of smoky or ashy notes - but a little cereal-y. i'm currently roasting yirg kochere. 200g, P1 A, 0% power at R1C for 30s, and then cool. my previous roasts have all ended up on the darker side, and i think this is due to me applying too much heat during 1C. i'm thinking of taking the suggestion in the OP, and doubling the drum speed to get a more vigorous 1C.

    Leave a comment:


  • LeroyC
    replied
    Originally posted by TL1000s View Post
    Hi to All,
    Awaiting the arrival of my new Behmor 1600 Plus 240V with the Heatsnob. It will come with some Peru AAA. I was hoping for some suggestions on my first roast ever!! I would like to start with 100g batch, then work my way up. Your help is very much appreciated.
    Pressing what button when?

    Thank you in advance

    Regards
    Everything you need to know to get started is in this thread so read it a few times. The manual isn't very well written so I suggest you read that a few times as well as parts of it won't make much sense until you've used the machine a few times. Do the 4 x 100g roasts as they suggest, but pay attention and maybe try using the Rosetta Stone during these trial roasts so you actually learn something from them. After that it's just trial and error. There's already plenty of info online so do plenty of Googling and reading. Good luck.

    Leave a comment:


  • TL1000s
    replied
    Hi to All,
    Awaiting the arrival of my new Behmor 1600 Plus 240V with the Heatsnob. It will come with some Peru AAA. I was hoping for some suggestions on my first roast ever!! I would like to start with 100g batch, then work my way up. Your help is very much appreciated.
    Pressing what button when?

    Thank you in advance

    Regards
    Last edited by TL1000s; 24 February 2016, 07:00 AM.

    Leave a comment:


  • snedden9485
    replied
    Having great fun playing with the behmor. Bought another 5kg of beans, 5 different regions I can blend and play with. Iv noticed some of my original Perivian SO roasts are getting considerably better after 3 days of resting and hopefully they should continue to improve over the coming days. Lost much of the sourness they originally had.

    I tried mh first blend today. I pre blended 250g of Peru Ceja De Salva and some Indonesian beans 50/50 mix. Ran them on a P2 cycle and cooled just prior to 2C. Looking forward to the result over the coming days.

    Its safe to say im totally hooked on the roasting.

    Leave a comment:


  • snedden9485
    replied
    I done a 100g roast this morning on a P2 profile. I ran the 200g setting to give me the added time at the end and seemed to work well. Followed the same method of p1 at FC for 30 sec followed by p2 for 50 seconds then cool. Will sample the roast in a few days.

    Leave a comment:


  • deegee
    replied
    Originally posted by sprezzatura View Post
    Big fan of the 200 gram roast here!
    Me too !!. The short times for 100g batches mean less margin for error, especially on P1 or P2. I prefer 200g using P3 or P4 which I have found less likely to need intervention near the end of the roast.

    Leave a comment:


  • snedden9485
    replied
    Originally posted by sprezzatura View Post
    Big fan of the 200 gram roast here!
    I'll likely up the quantity to 200-250g after a few roasts once I've gotten my skills up a little. Just trying to really understand the sounds of FC and SC better. Plus if I roast small I get to do more roasts

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  • sprezzatura
    replied
    Big fan of the 200 gram roast here!

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  • snedden9485
    replied
    Roast #1 done. Just went 100g on a P2 auto and then p1 @ FC followed by P3 30 sec later. Roast ran out of time despite adding max time, but seems to be a nice colour, not too dark. Might use the 200g function next so I have more time up my sleeve.

    I hear ear you about it being mesmerizing! Even my wife enjoyed the process. I'm hooked already.

    Leave a comment:


  • chokkidog
    replied
    Originally posted by snedden9485 View Post
    Ordered my 1600 plus from the site last week, it arrived today I'm told. Looking forward to putting some of this great info to use and doing some roasts. I'm sure il have a few dud roasts
    Congrats!

    No such thing as a dud roast! True some might be challenging to drink, but you'll learn something from even the 'worst' roast.

    In the end even the so called fails will make you into a better roaster.

    Leave a comment:


  • snedden9485
    replied
    Ordered my 1600 plus from the site last week, it arrived today I'm told. Looking forward to putting some of this great info to use and doing some roasts. I'm sure il have a few dud roasts, but I'm really looking forward to the process and becoming a true coffee snob . Thanks for a great thread guys!

    Leave a comment:

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