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Thread: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

  1. #101
    ST
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    Roasting vs ST - The Corretto

    With all the talk about home roasting and correttos recently, its encouraged me to finally post about last weekends roast (and provide an update from last year)

    After quite a few months of buying brown - with the occasional bowl-and-spoon roast - Ive managed to grab a second-hand breadmaker (Sunbeam BM001). As per the other threads on that machine, its pretty easy to alter, with a nice deep bowl.* The paddle has had the teflon coating removed and shortened ~1cm.* The bowl has also had some teflon coating removed as previous owners dont know how to take care of things, so the teflon was actually peeling off the bowl in places (fortunately they arent coffee people, so they leave my coffee machine alone).* Ive done two small roasts in the BM prior just to get a feel of how the BM handled and to oil the bowl a little, however didnt have temperature readings at the time.* No photos of the BM as its camera shy at the moment.

    Anyway, last weekend was the first official roast - 300gm of Peru Ceja de Selva.* Cant tell times as someone forgot to start the stopwatch, and I cant show a roast profile as my Dad still has my laptop, but the temperature rise on the DMM looked about right.* The roast would have been somewhere around the 15-20 min length, with the beans removed after a couple of 2nd-crack snaps (gap from first crack to second crack estimated around the 5 minute mark).* No photos during the roast as I still need to hold the heat-gun - yet to get a good stand for it.



    The BM did a great job as it was a pretty even roast. Finished up around CS8-9 and 260ish gm weight (so around the 40gm lost, along with a couple of beans).* I did taste-test earlier today.* From what I could tell, fairly nice (though previous experience with the beans indicate it gets better in a day or two).* Alas, Ive got a cold at the moment, so cant taste very much - talk about bad timing.

    Just need to remember to remove temperature probe prior to pulling the bread bowl... its now slightly bent :-[

  2. #102
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    Finaly Posting - 1st Coretto Roast

    So I know this is about 4 months late but, I finally got my first coretto roast done.

    In hopper was some Ethiopian Mocha Limu (Sourced from Coffee Craft (work!!!!! yay)) and it came out so well that to date I have put another 4kg of it through.

    So i would like to thank everyone on the forums for all the advice, information, design ideas and all the questions asked and answered.* You have all left me with a weath of information and I need to thank you all.*

    A huge thanks to coretto for the wonderfully simple design.* I am runing a Breville Bakers Oven, Ozito heat gun and a modified old guitar stand.

    I will resize and post the pics tomorrow

    Liam


  3. #103
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Hi ST,
    I made a very simple heat gun stand out of a few bits of pine and some bolts. I am not that good with building things but this works well. If you want I can try posting some pics which will give an idea of how it went together.

  4. #104
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    that would be great if you could scotchy!

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Hi, As requested attached are pics of the stand. The lever design allows easy adjustment of the heat gun. It also allows you to quickly get the gun out of the way when the roast is done. My first Corretto was a complete failure as the bread maker had a plastic stirrer and I melted it. Cable ties slip into the hooks to hold the gun securely. Also stores away well as the BM just stays on the stand. The Ryobi heat gun is two speed and shows no sign of a problem after about 25 roasts. The BM was free but needed the element removed and the thermostat removed as it kept cutting out.










  6. #106
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Thats a neat arrangement u got there scotchy.
    I presume if you want to get the gun out of the way, u lift up and theres something to stop it from falling back, like a stopper?

    Im shocked your first b/maker stirrer is plastic. i wonder how it handles being baked?

    Are you in Belmont as in Geelong or Perth?

    Thanks for posting and keep up the good work. :)

    Gary at G

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Yes I have screws under the arm. It allows me to vary where the gun is depending on how big the roast is.
    Belmont as in Lake Macquarie near Newcastle

  8. #108
    ST
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 4F5F53485F54450D05090D3C0 link=1210948224/104#104 date=1303974077
    Hi, As requested attached are pics of the stand.
    Looks easy enough.* Will definitely be looking for a more hands-free approach in the near future, but for now the heatgun actually rests quite nicely on the edge of the BM - works well enough ;)

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    thought i might include myself in this show and tell thread :)
    i just finished putting my roaster together yesterday , and i have some greens and some more on the way too .
    i did intend to have my first go at roasting today but i may not yet have to see how i go cos i have some pork shoulders in my smoker to look after at the moment doing a hot smoke on them .
    anyway a few pics of my first set up much the same as everyone else i suppose .
    i rewired the breadmaker bypast all the control panel and now when plugged in the agitator runs continually ( no switch).
    the cooler is a cooking oil drum ,first i fitted an extractor fan but was unimpressed with the air flow so i ripped it back out and pinched a cooling fan off a refrigeration unit and it shifts a lot more air .should be good me thinks.






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    first roast


    the last few days i have been knocking together some bits to turn some beans from green to brown and half an hour ago i had my first roast and i am happy as a pig in mud with it .
    though it may not be great i think its ok for a first try .
    at the first crack i turned down the heat a little to much not wanting to burn anything .
    i am still not sure if i reached second crack dont think i heard it .
    this is what i wrote as i roasted .
    2 minutes ...101 degrees
    4 min 128
    6min 147
    8min 163
    10min 180
    12 199
    12.40min 206 1st crack
    turned the heat gun down a bit
    14min 200
    16min 194
    18min 201
    19min 206
    20min 214
    21min 222 thought a i heard a crackle and didnt want to burn so took them out and onto the cooler .

    forgot to mention these are ....peru ceja de selva X 400grams start weight
    dropped 65 gr after roast
    cooler worked great too .







  11. #111
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Well, I figured its time post a couple of ordinary iPhone pics of my set up. The breadmaker is a little unusual in that the bucket/pan is fixed in place. This simplifies the tipping process, but made modding the paddle a nuisance as its attached permanently as well. No real innovations here, I run the HG flat-out and adjust temp by changing its height from the BM. Temp monitoring may happen in the future.

    BM was a freebee, the heatgun cost about $35 from Bunnings, the steel was found in my shed and total time spent to make was about an hour.




  12. #112
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Looking good Guys.... [smiley=thumbsup.gif]

    That roast looks pretty darn nice Texx. No need to wait days before you try it either mate. Start pulling some shots from tomorrow onwards and take note of how the flavours subtly change over time. Youll discover a day when the beans really hit the spot, so that should give you an idea of a target day to crack the bag for future roasts.... ;)

    Mal.

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    My recommendation would be wrap in foil or make a lid as this will hugely improve your roasts due to increased thermal efficiency. Try 500 or 600g weight as this will help too and you should get a more accurate read on bean mass temp. Good luck!

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 322B3A3A5F0 link=1210948224/110#110 date=1306481750
    I run the HG flat-out and adjust temp by changing its height from the BM.
    Quote Originally Posted by 2D36293E33676E5F0 link=1210948224/112#112 date=1306532372
    My recommendation would be wrap in foil or make a lid as this will hugely improve your roasts due to increased thermal efficiency.
    Agreed, but mtee would then have to buy a variable output heatgun for this to work properly....

    Mal.

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 0E23272B264A0 link=1210948224/113#113 date=1306570220
    Agreed, but mtee would then have to buy a variable output heatgun for this to work properly....

    Mal.

    Gday Mal, my HG has 2 fan speeds and variable temp. But, because its such a cheapy, Im reluctant to make too many changes while its hot.

    I figure that the poor quality internal components wont stand up to a lot of use, especially at higher temps.

    Mark

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Ah OK...

    Fair enough mate and apology to "rival81".... :)

    Mal.

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    can i ask a silly question? why the heat gun? why not use the element in the bread maker? a PID would give good control and you could roast with the lid down to keep the heat even.

    it would mean hacking the bread machine but any reason that wont work?

    edit... i just looked at the wattage on my BM 650W i think that might be why I had a laugh

  18. #118
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 2F2D25227A7A7A1378394C0 link=1210948224/116#116 date=1308117148
    i just looked at the wattage on my BM 650W i think that might be why I had a laugh
    You got it..... ;) 8-)

    Mal.

  19. #119
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Heres another Coretto about to enter service, thanks to Matt Kings Breadmaker PIF. Its going to my Mum to upgrade her from a popper. [smiley=smiley.gif]

    Now, I have to brave the cold and give it a run.....
    [smiley=undecided.gif]




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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 69706161040 link=1210948224/110#110 date=1306481750
    Well, I figured its time post a couple of ordinary iPhone pics of my set up. The breadmaker is a little unusual in that the bucket/pan is fixed in place. This simplifies the tipping process, but made modding the paddle a nuisance as its attached permanently as well. No real innovations here, I run the HG flat-out and adjust temp by changing its height from the BM. Temp monitoring may happen in the future.

    BM was a freebee, the heatgun cost about $35 from Bunnings, the steel was found in my shed and total time spent to make was about an hour.
    Aha, so this is the bread maker that Ive got (Black and Decker). The paddle is def removable, if you put a little force into it.

    But I have a problem. As the paddle spins theres a gap between it and the chamber wall (and underneath paddle) about 3/4 size of a small bean. Beans get pinched and then spring out of the chamber (Im not talking about losing a few beans but like half my payload, I had a laugh). And a fair few are also getting crushed.

    Did you have this problem? Suggested mods?

    Also, which program do you use on the BM? Basic? Dough?

    Cheers.

  21. #121
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 5644434358210 link=1210948224/119#119 date=1315520848
    Aha, so this is the bread maker that Ive got (Black and Decker). The paddle is def removable, if you put a little force into it.

    But I have a problem. As the paddle spins theres a gap between it and the chamber wall (and underneath paddle) about 3/4 size of a small bean. Beans get pinched and then spring out of the chamber (Im not talking about losing a few beans but like half my payload, I had a laugh). And a fair few are also getting crushed.

    Did you have this problem? Suggested mods?

    Also, which program do you use on the BM? Basic? Dough?

    Cheer

    Gday webby, I eventually got the paddle off and ground it down a few mm, I got sick of ducking flying beans as well [smiley=wink.gif]

    The BM has since suffered a terminal failure, but I used to run it on RAPID, that would run for 19 minutes as best as I can remember. Id roast 350-400g per batch.

    Im now in the fine tuning stage of its replacement, as per pic.


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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Appreciate the feedback, mtee.

    Took to that lil alloy paddle with a grinder, shaving off about 8 mm. First Corretto roast now all done without losing a bean (or an eye). 10 mins first crack, pulled start of second crack at 13 mins. Bought Ryobi HG from Bunnings (2 year replacement warranty) and set it up on an unused manfrotto.

    Small batch @ 150 gm, will ramp it up to 300 next go.

    Big bonus was that my son had brought home a big-arse industrial strength exhaust fan from a city building site. 260mm across and sucks/blows like a freaking tornado. Dropped in a $5 sieve purchased from Woolies this arvo (perfect fit) and beans were cool in under 20 seconds.

    I think Ill now retire my popper.* ;D

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    So,* I goes outside to do a roast tonight and noticed that the outside light globe had blown. Meh, Ill do this in the dark, no biggie.* Can do this sheet blind-folded, surely.

    Just into second crack and all going well, on time, and the smell of roasting coffee wafting thru the air. Rolling second crack and Im now racing into swithing off appliances and dumping beans into big arse fan.

    Ill be sure to remember next time to place sieve on top of fan before dumping. Its raining Tanzania Uru out my way tonight.

    My poor dog shat himself. ;D

  24. #124
    Senior Member Dennis's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 495B5C5C473E0 link=1210948224/122#122 date=1318245761
    So,* I goes outside to do a roast tonight and noticed that the outside light globe had blown. Meh, Ill do this in the dark, no biggie.* Can do this sheet blind-folded, surely.

    Just into second crack and all going well, on time, and the smell of roasting coffee wafting thru the air. Rolling second crack and Im now racing into swithing off appliances and dumping beans into big arse fan.

    Ill be sure to remember next time to place sieve on top of fan before dumping. Its raining Tanzania Uru out my way tonight.

    My poor dog shat himself.* ;D
    Thats hillarious. ;D ;D Made me laugh out loud. ;D ;D ;D Hope no one, or the dog, was hurt. ;D ;D Still laughing. ;D ;D

  25. #125
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Nothing worse than a faux par to a great evening therapy of roasting.

    Look at the bright side, at least you did not roast Kopi Luwak.
    That would have been really s$%t hit the fan. ;D

    Surely you must have scored shrapnel on yer shins webby.

    Gary at G

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Just starting my corretto journey

    * BM is Sunbeam Bakehouse compact BM2100 (has 20 min dough cycle which is perfect, 3 min of intermittent stir at startup)
    * HG is Aldi heatgun (2 settings - 350 degrees @ 300L/min, 550 degrees @ 500L/min)
    * Mounted onto camera tripod with zip ties
    * Cooling with large strainer and fan

    Had a failure first roast - 250 g of uganda masaba, took 20 minute to barely hit first crack and then BM switched off!* result? - grassy in the cup. urgh! (can i re-roast? otherwise a waste of a good bean!).* Realised HG was too far away from beans so not getting up to temp.

    Did my second roast today - 250g of India Mysore A.* This time it hit 1st crack at about 5min, i turned down the heat,2nd crack at about 8min, pulled roast at 10min.* Realised HG was too close this time! (or maybe i shouldnt preheat?).* Anyway, it smells divine and cant wait to try it!

    Its a bit of trial and error without a heat probe atm, but enjoying it immensely!

    any tips/feedback would be appreciated








  27. #127
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 243631312A530 link=1210948224/122#122 date=1318245761
    Ill be sure to remember next time to place sieve on top of fan before dumping.
    Really stoopid people can even do that in the daylight [smiley=embarassed.gif]
    Not mentioning any names, of course....

  28. #128
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    You might be interested in my solution to the problem of mounting the heat gun.
    1/ two pieces of poly pipe, 1 of which fits inside the other;.
    2/ Light metal bracket;
    3/ Bend the poly pipe with the heat gun;
    3/ Drill holes in the top piece of pipe and insert a rod for height adjustment.
    The whole thing needs to be anchored to a base or, in my case, tied to a post.
    It swivels and has 3 height settings which are easy to adjust on the fly.
    Total cost $10


  29. #129
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quick and simple but Im worried that the bent pipe wont last.

    Keep an eye out for dumped pedestal fans during hard rubbish council cleanups.

    The pedestals are a great adjustable unit.
    I can see your heatgun clamp fitting nicely to one.

  30. #130
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    First time roaster, using a corretto type set up


  31. #131
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    My set up for my first ever roast :)


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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    All very inspiring stuff.

    Just out of interest, are people running there heat guns at max temp and adjusting via height of the heat gun?

    Is the thermomiter critical or if the heat gun is at a reasonable height and the beans are monitored the entire process and listening for first crack and second crack is it possbible to acheive results. Could also use stop watch to time when colour changes occur....

    Im just starting out and dont want to over capitalize yet!

    thanks

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 4874756E687979722D2F1C0 link=1210948224/131#131 date=1330412687
    Is the thermomiter critical or if the heat gun is at a reasonable height and the beans are monitored the entire process and listening for first crack and second crack is it possbible to acheive results. Could also use stop watch to time when colour changes occur....
    watching the roast and learning the different stages is a great way to start, noting when the smoke starts prior to first crack and also second crack, the change of colour of the beans to golden yellow, then light brown around first crack and then gradually darkening the further the roast progresses, its all a wonderful learning curve and its great satisfaction when your roasts pass the taste test--enjoy!! :) :)

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    I have the heat gun on max and just raise the height by 2 or 3 cm at first crack. I roasted many kilos prior to buying the data logger, which makes it easier to see if a roast is going too quick/slow in real time and you can take action if required.

    The other great thing is you can tell when the cracks will occur (temp dependent) so you can be ready to pull the roast at 2nd crack (or before 2nd crack), which I found next to impossible to do judging by eye. The data logger is also a decent quality multimeter you can use for other things.

    Cheers

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    alright, that is really good to know and ill take note, i shall be using this advice sounds really handy.

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 516D6C777160606B3436050 link=1210948224/131#131 date=1330412687
    Just out of interest, are people running there heat guns at max temp and adjusting via height of the heat gun?

    Is the thermomiter critical or if the heat gun is at a reasonable height and the beans are monitored the entire process and listening for first crack and second crack is it possbible to acheive results. Could also use stop watch to time when colour changes occur....

    Im just starting out and dont want to over capitalize yet!

    thanks

    I found with my set-up that i achieved best results with my heat gun set at max temp, because it allowed me to minimise the aggressiveness of the airflow. I found that I could roast faster, without tipping, if the beans werent subjected to really strong airflow. This is also helped by having some sort of lid over the drum to retain as much of the heat as possible.

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    This is my set-up. Metabo heat gun with adjustable airflow + heat, rewired bread machine with agitation switch and modified agitator, thermocouple in bean mass, fan forced cooling tray with switch built in to exterior of housing. Also, retort stand holds heat gun, and is generally the main way I adjust heat/airflow during roast.




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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Oh, and the coffeesnobs roasting software of course :)

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Hey all,
    Just corretto roasting a few weeks ago after my popper died - Im kinda glad it did as it gave me the opportunity to upgrade!
    I have a quetion re: heat gun position. What is ideal and why? Ive seen some people aim it straight down in the middle of the bread pan, others have it on an angle in the middle of the pan, some on an angle on one side of the pan, some on the corner of the pan facing the diagonal corner...
    Is there one angle / position that works best?
    Thanks

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    ...also

    Is there and ideal distance of the HG from the bean mass? Lots of people seem to have the HG just inside or just outside the rim of the bread pan... Has anyone tested to see whether they get better results from having the heat gun further away from the bean mass at a higher heat or closer to the mass at a lower heat?

    Im not talking about roast times, Im more talking about taste in the cup / quality of the roasted bean.

    Thanks!

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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 5E55595147445651554758514D340 link=1210948224/139#139 date=1332425342
    ...also

    Is there and ideal distance of the HG from the bean mass? Lots of people seem to have the HG just inside or just outside the rim of the bread pan... Has anyone tested to see whether they get better results from having the heat gun further away from the bean mass at a higher heat or closer to the mass at a lower heat?
    For my setup I have the heat gun just above the lip of the bread pan only because my BM is on a sliding drawer of a computer desk with the heat gun (which has fully adjustable heat/speed) fixed so when the roast has finished I just switch off the heat gun/BM and slide back the BM enabling me to remove the pan without disturbing or moving the heat gun.

    I have a very deep square pan and at the height I have the heat gun, I have no problems getting to suitable temperatures/times

    I have the heat gun pointing to an outer edge of the pan as I felt the paddle throws the beans away from the middle and the roasting process seems to rely on some direct radiated heat, it was to me logical (probably wrongly so?) to point it at the mass on an outer edge.

    I think what works well in one setup may not work in another. It is a matter of adjusting the variables to get the optimal temperatures and times and then ensuring the results, when satisfactory, are repeatable..

    Some time ago, I purchased an I-Coffee Roaster which is so simple to use. But I still love the variables and fun play times and great results of the Coretto setup and still use it regularly


  42. #142
    Senior Member saoye's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Recently a friend asked me to roast 1kg of beans for him.* I decided a poppers not going to cut it even though Ive been getting great results.* So off I go in search of all the needed tools to do my own Corretto roasting.

    Got this today.

    Palsonic PAB3600 used = $5
    Ozito 2000W Heat Gun = $34.95
    200mm Exhaust Fan = $20
    Large Bucket = $9.95
    Small Bucket = $0.75
    Cast Iron Umbrella Stand = $0 (from the shed)
    Quick Clamp x 2 = $0 (from the shed)
    Pavers = $0 (left over from previous paving project)
    Melamine board = $0 (from the shed)

    Grand Total = $70.65

    1st roast was a disaster! I preheated the BM, had the heat gun too high and after 18 minutes of roasting the BM cut out and I havent reached 1st crack yet.

    2nd roast was much much better but I will have to lower the heat on the heat gun as I got a fair amount of tipping and 2nd crack was at 11 minutes.* Ill have to add a fan to the list soon to blow the chaff away from the gun.* Anyway, so far Ive been roasting 250gms per roast.* I might go to 300gms which might help with the roast time too.* The ppoper will still be in service when I want to sample a new green.* Its a more expensive learning curve compared to the popper but am hoping I get a decent roast next.* :)






  43. #143
    Senior Member coffeechris's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Not a bad effort for your first few attempts with a BM. I found with the bread maker you either need to cut the source inside the bread maker that makes it cut out(overheating) or have a fan blowing on the BM while roasting. I also find that 300g of raw beans gives you a nice 250g bag at the end. I have been able to increase the amount to about 400-450g but prefer the 300g amount.

    Like you i have had friends ask me for 500 - 1 Kg plus at a time, so i have had to refine my process to get it out in a faster manner, yet retaining consitancy and quality.

    Good stuff, the beans look good.

    Cheers
    Chris

  44. #144
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Nice looking roast. Be interested you hear how it tastes compared to your popper results.

    I found a link for instruction manual for your BM and have attached here the page relevant for times of your various BM functions. I notice on the dough cycle there should be 6 mins "knead1" which I assume is intermittant which seems very long and 24 mins "Knead2" which would be continuous?. Should be plenty of time. I was lucky with my BM in that it has a yeast free dough setting which is basically no intermittant just a flat out 30 mins. But unlike your bargain I had to pay a rediculously high price of $12* :)

    I have a fairly deep square pan and find mine is best with a minimum of 500 gram per roast and reading most posts on this site seem to indicate larger roasts.

    http://members.iinet.net.au/~cruza52/pab3600.pdf


  45. #145
    Senior Member saoye's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 6A666F6F6C6C6A617B607A090 link=1210948224/142#142 date=1334175289
    Not a bad effort for your first few attempts with a BM. I found with the bread maker you either need to cut the source inside the bread maker that makes it cut out(overheating) or have a fan blowing on the BM while roasting. I also find that 300g of raw beans gives you a nice 250g bag at the end. I have been able to increase the amount to about 400-450g but prefer the 300g amount.
    Thanks cc. I stopped preheating after the first batch. I think this plus the fact that the heat gun was way too high and probably blowing heat outside of the bowl that overheated the BM. I will use the fan to blow chaff away from the heat gun and Im thinking about insulating the bowl as some has done which also would help keep the heat in the bowl and keep the BM temp down.

    I just tasted the 1st batch (columbian) failure (which I re-roasted after the bread maker overheated)...ugh...thats horrible. looks like Im feeding that to the worm farm. 2nd batch was beautiful (Indian A) even with the tipping so very happy with that.

  46. #146
    Senior Member coffeechris's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    I like the idea about insulating the bowl, might try that my self. Its always touch and go with the first few batches you do. I also place a lid on mine whcih allows me to still see inside, stir the beans if needed and also has a hole for the heat gun. I took the actully stainless steel part from under the lid of the bread maker and threw the rest of the lid out.

    I still get some tipping in some roasts... not all the time though. As long as it taste good thats the main thing...

  47. #147
    Senior Member saoye's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Ok, 3rd roast of the Indian A and with a very slight adjustment to heat as well as a night roast so ambient temp was 19 degs C, plus the addition of a cooling fan pointing up towards the heat gun from about just under 1 m away. A much more even roast and managed to get 1st crack at 12mins and 2nd crack at 16.5 mins stopping the roast at 17m with a 2 min cool down using the exhaust bucket cooling system, so total roast time including cooling was 19mins.* This time I started with 300gms.

    No signs of tipping.* A little fiddling with the fan settings after rolling 1st crack (the cooling fan not the heat gun) and also a little heat adjustment with the heat gun temp made all the difference.* I am much more confident now with the corretto but still plenty to learn.

    Result was 248gms of even roast.* loss of 17% or 52 gms.* I didnt have to chuck any uneven roasted beans out so thats a plus compared to the popper.* *:)


  48. #148
    Sleep is overrated Thundergod's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Quote Originally Posted by 222E272724242229332832410 link=1210948224/142#142 date=1334175289
    I found with the bread maker you either need to cut the source inside the bread maker that makes it cut out(overheating)
    In my case I found that disconnecting the overheating sensor caused an error, which prevented the BM from running, so I reconnected it and then merely moved it as far as possible from the bowl.

    I started with 300g batches and eventually changed to 600g.
    Once you get used to your setup, providing the HG has enough power, you should be able to increase batch size too if you need.
    Just remember to keep it simple, 300g or 600g is easy for me to remember how hot and high to have the gun.



  49. #149
    Senior Member saoye's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Just did 3 x 300 gm roasts in the corretto.

    I need to work out a better way to take out the pan and pour into the cooling bucket instead of fumbling with the wire handle and awkwardly trying to tip the content.

    So roasted two batches of my usual Columbian/Indian/Ehtiopian/Kenya blend which roasted as expected.

    Then decided to crack open the Indonesian WIB. My first Robusta roast. Man these beans are massive. They roast evenly but 1st crack was not very loud and didnt really hear rolling 1st crack. 2nd crack came 3 or 4 minutes after but was in rolling 2nd crack within seconds. Some beans have oil visible but I hear the Robusta works well at CS10. I guess Ill give it a taste in the morning. I wonder if my grinder can handle these massive beans...they are literally double the size of the columbian beans and the columbian are not that small. :D

  50. #150
    Senior Member saoye's Avatar
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    Re: 1st Corretto Roast-Great Fun! Wrng- Lots of Pics

    Behmor Coffee Roaster
    The robusta as an SO was very bold and on the bitter side. I found it just spewed crema and a little difficult to control the pour even at a finer grind. I blended it with Columbian and Indian and it gives it a kick and adds more hints of nut which is actually quite nice in the latte. Not bad at all. Not recommended as an espresso but very good for adding more interesting flavours to lattes.

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