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Thread: "Corretto" - The Beginning

  1. #1
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    "Corretto" - The Beginning

    After months of stuffing around looking for an easy way to roast with the heat gun without standing there stirring for 20 minutes with smoke billowing into my eyes I finally took the plunge and just tossed the beans in my 10 year old breadmaker. A dry run confirmed that it should work. Then caution was thrown to the wind and the bread maker was taken outside, heat was applied, and the roasting began using 150 grams of Ugandan Bugisu.

    All seemed to go much better than expected, with the first crack around 9/10 minutes. Ive never had a first crack before where all the beans seemed to crack in such a short time. Sounded a bit like fireworks going off! Maybe the bowl concentrated the sound of the cracks out of the bowl like a foghorn ... not to mention uniform heating throughout the bowl.

    Turned the HG down to low and at 14 minutes the second crack came, much quicker than I wanted. At this stage I realised how hot the bowl was. Very hot! Oven mitts were needed. By the time I got them the beans were in rolling 2nd crack even without any heat being applied.

    So into the Vaccuum cooler they went and down to room temp in 60 seconds. The best uniformly roasted beans Ive done in 4 months of roasting with a heatgun and popper. Was very pleased ::)

    Did a second roast shortly after with 200g of the Mocha Java Blend (love that one) and didnt need to turn the HG above low. Maybe due to residual heat left in the bowl. 1st crack at 9/10 mins and rolling 2nd by 14/15. Now more than pleased ;D

    BTW Id say that you could roast up to 500 grams in this.

    Regards
    Belinda

    p.s how do you attach more than one photo?


  2. #2
    Super Moderator Javaphile's Avatar
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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Corretto link=1154442377/0#0 date=1154442375
    p.s how do you attach more than one photo?
    Sounds like a nice little set-up you came up with using the bread machine Corretto. :)

    To attach more than one picture in a post the image must be hosted on a site that is publicly available such as photobucket or flickr and the link to them put in the post using the image tag.

    Click on the third button from the left in the top row of icons (the one with the little picture) on the post reply page and then insert the link(s) to the picture(s) in the tag that appears.

    Java "Keep inventing!" phile

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    Re: Easy Hands Free Heat Gun Setup

    Thanks Java.

    Here are some more photos of the roast.

    Side shot with beans jumping around. *Fan to blow the smoke and chaff onto the lawn




    Beans at the start. With temperature probe to the left. Showed temps of up to 290C with HG on high. Not sure about that ....




    The beans jumping around with some smoke coming off.




    Beans a fraction of a second later




    The end product




    Chaff and 3 beans that made it into the body of the bread maker at the end. *BTW the external walls of the breadmaker kept at near air temperature during the roast.




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    Re: Easy Hands Free Heat Gun Setup

    Wow!

    What a great idea. Ive got a breadmaker that gets used about once a year just because I think I should use it to jutsify the original purchase. That is a much better use ;)

    I might try that one cause I would like to roast bigger batch sizes to feed my habit. Looks like a nice even roast.

    Cheers,

    Matt

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    Re: Easy Hands Free Heat Gun Setup

    Hey Hey Hey- Ive got a bread maker thats not doing anything!
    Tell me please how do you get it to perform at the right time- I mean my machine waits for 20 minutes before it does anything!
    Did you reprogram it or what??? ;D
    This is exciting! Except I cant see your pictures :(
    Tell me more- what have you done how do you do it? what settings and stuff- Thanks
    RH

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    Re: Easy Hands Free Heat Gun Setup

    OK I can see them now- WOW what a great idea!
    I wouldnt have thought it would produce evenly roasted beans! Im shocked.
    I have to give this a try.

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    Re: Easy Hands Free Heat Gun Setup

    Hi Rayzur

    Just use the breadmaker on the Dough setting. Im sure they are all a bit different but mine wizzes slowly for 2 minutes and then wizzes quickly (kneads) for 25 minutes. The breadmaker doesnt heat up itself on this setting, so its perfect for whirling the beans around ;)

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    Re: Easy Hands Free Heat Gun Setup

    My search begins for an old bread maker..!
    SWMBOs mother loves the garage sales..... so it shouldnt take long.!
    great idea Corretto.

    Ps. i already have the superautomatica bottle capper.! ;D

  9. #9
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    Re: Easy Hands Free Heat Gun Setup

    What a great idea Corretto, definitely a [smiley=tekst-toppie.gif].

    I reckon a lot of us must have a breadmaker stashed away in the back of a cupboard somewhere just waiting to be put to a much more useful purpose. My next roast is gonna be in the BM, cant pass this idea up 8-),

    Mal.

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    Re: Easy Hands Free Heat Gun Setup

    Okay okay! Ive tried it now!
    First of all dont use a panasonic- they are too good and full of tricky little extras like preheating for anywhere between 15 and 25 minutes depending on the ambient temperature. Then- they have these clever little stops during the mixing- you k now 2 to 3 seconds where the heatgun is blasting the beans in one spot!
    But worst of all is the proximity of the paddle to the side "ridges" in the machine- that means that every third spin a bean jams and the whole process stops :o
    So what to do???
    well... shhhhh
    I busted the end of the paddle so it would work better.
    Itll still make bread wont it? :o
    Sure it will darling! 8-)
    I noticed the heat retained very well so I reckon with a bit of help I could direct the gun higher- prolong the roast- which incidentilly went pretty well apart from a few I had to toss out!
    All done in 12 minutes!
    I think this will be my method of choice even if it means holding the gun- better than stirring!
    Even if it means buying a cheaper breadmaker (and buying a new paddle for panasonic).
    Thanks again for the great idea!
    RH

  11. #11
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    Re: Easy Hands Free Heat Gun Setup

    Darn it :(,

    Our bread-maker is a Breville and even in the Dough setting, only stirs continuously for a maximum of 10 minutes after the intermittent stirring finishes after 3 minutes..... looks like its going to be a no-go :-/,

    Mal.

  12. #12
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    Re: Easy Hands Free Heat Gun Setup

    Well all that stop start malarky is controlled by a computer chip somewhere.
    If the BM is no longer going to be used for bread making you could just bypass the circuitry and convert it to manual.

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    Re: Easy Hands Free Heat Gun Setup

    Looks like this method is very dependant on the type of Breadmaker. *My Breville Country is 10 years old. *On Dough mode it whirls once per 5 seconds for 1 1/2 minutes and then lets rip for the next 25 minutes. *Maybe the old Brevilles are the ones to go for. *

    How hard would it be to bypass the circuitry as per Thunders suggestion??

    Ive done 7 batches in it now and find it fantastic! *With my hands free Ive been able to take notes about how long the different beans take. *Generally 15 - 19 minutes to 2nd crack. *Very repeatable.

    The superautomatica bottle capper makes it easy to raise and lower the heatgun to adjust for roast lengths/temps. * Because of the heat retention of the bowl the gun only needs to be just above the top of the BM as above in the pics. *Shoving it further in would definitely speed it up of course, but I reckon that would be too vicious.

    Gotta have the fan on behind it too. *That blows away the smoke and seems to even out the temp inside the bowl. *Maybe. *Could be imagining that....

    Belinda

  14. #14
    Super Moderator Javaphile's Avatar
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    Re: Easy Hands Free Heat Gun Setup

    Beware of getting the bowls in these machines too hot as most of them are teflon coated.

    Java "Life is a chemical reaction" phile

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    Re: Easy Hands Free Heat Gun Setup

    Ive wondered about the teflon problem. By the end of the roast the temperature probe is showing about 270C, and this is located almost in the middle of the beans. So not sure what temperature the bowl is getting to, but surely its not 270C (which might cause problems with the teflon?? )

    After 7 roasts, the rotor which is mostly directly exposed to the HG blast, is turning a browny colour along the middle, but the rest of the bowl has not changed colour at all.

    Belinda

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    Re: Easy Hands Free Heat Gun Setup

    No teflon coating on mine! ;D
    I wonder though- if I retro my BM to just spin- do you reckon my wife would notice?
    I guess the bread would be pretty spun out by the time it baked hey :-?
    And it would taste a bit charffy ;)
    Im gunna hunt for a breville country- 10 years old! ::)
    RH

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    Re: Easy Hands Free Heat Gun Setup

    great idea, corretto.

    what is the largest batch you have ever attempted? possible to do 300g or more?

    rayzurhed, hope you like coffee flavoured bread...

    slow

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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Thundergod link=1154442377/0#11 date=1154926030
    Well all that stop start malarky is controlled by a computer chip somewhere.
    If the BM is no longer going to be used for bread making you could just bypass the circuitry and convert it to manual.
    Hmmm,

    Its probably even easier than that TG. A switch in parallel with the automatic switching would over come the annoyance ;). Will have to rip the cover(s) off the BM and see what I can do.... ::)

    Cheers,
    Mal.

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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Mal link=1154442377/15#17 date=1154955499
    Hmmm,

    Its probably even easier than that TG. A switch in parallel with the automatic switching would over come the annoyance ;). Will have to rip the cover(s) off the BM and see what I can do.... ::)

    Cheers,
    Mal.
    Youd better get permission first! Just in case the SO has ideas on baking some bread all of a sudden ;)

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    Re: Easy Hands Free Heat Gun Setup

    Largest batch Ive done is 200 grams, and it handled that easy peasy. *I would say it could easily handle 500 grams as it used to handle 3 1/2 cups of sticky dough without too much bother. *So 500 grams of beans would be nothing. *The more beans in the bowl the less beans get tossed out. ::)

    With a 150 gram batch you might lose 2 or 3 beans. *A 200 gram batch lost no beans at all. *But it depends on the machine naturally.

    Would love to see how CS ers go with a 500 gram batch! ;)

    Belinda
    Graeme likes this.

  21. #21
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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Matt G link=1154442377/15#18 date=1154992089
    Youd better get permission first! Just in case the SO has ideas on baking some bread all of a sudden ;)
    Nahhh,

    Not a problem 8-). As well as being the coffee roaster in our household, Im also the baker.... so, its all good ;D,

    Mal.

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    Re: Easy Hands Free Heat Gun Setup

    Hi Belinda

    Let me just say that this is total innovation - tried mine out tonight and it is quick, roast is even and easy to handle after roasting for cooldown, so very excited, arms so fresh and untired * 8-) I put 250g through and it handled it no problem.

    There is hope for redundant unwanted appliance gifts after all *;D

    Polly

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    Re: Easy Hands Free Heat Gun Setup

    Glad you like it Polly! When I finished my first roast with this setup I was almost euphoric ::)
    Id found a way that other CSers can use to roast with a Heatgun without standing there for 20 minutes, smoke getting in the eyes, burnt hands and an aching back ;D

    Most of all its fun! And thats what this is all about [smiley=engel017.gif]

    Belinda

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    Re: Easy Hands Free Heat Gun Setup

    I got the sunbeam bakehouse! ;D ;D ;D
    40 bucks from a second hand store!! ::)
    Check out my pics!
    Corretto- I think we should name a special blend after you and your wonderful invention.
    RH


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    Re: Easy Hands Free Heat Gun Setup

    Great Setup Rayzur! Dont you just love it when a plan comes together ;)

    Just wondering are you using a fan to blow the smoke and chaff away?

    I found the fan also helps to keep temps in the bowl more even. Just wondering if anyone else finds this?

    Belinda

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    Re: Easy Hands Free Heat Gun Setup

    Rock on Rayzur - I love that you have clearly labelled your Sunbeam RoastHouse just incase anyone mistook it for a *gasp* breadmaker * ;D I definately think that there needs to be some recognition of the one small step for roasters achieved here by Mz Corretto - (that and some protection of the IP!!!) *perhaps we can call it the Coretto RoasthouseTM *8-)

  27. #27
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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Baristacrat link=1154442377/15#25 date=1155286638
    I definately think that there needs to be some recognition of the one small step for roasters achieved here by Mz Corretto - (that and some protection of the IP!!!) perhaps we can call it the Coretto RoasthouseTM 8-)
    Corretto certainly has my vote [smiley=thumbsup.gif],

    Just bought the necessary bits and pieces today to bypass our Brevilles Auto-kneading sequence.... might even get a quick roast in this weekend :),

    Mal.

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    Re: Easy Hands Free Heat Gun Setup

    Does anyone know if the breadmaker still works ok for bread after doing coffee? Its shocking, I know, but we actually make bread in ours:)

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    Re: Easy Hands Free Heat Gun Setup

    Hi Dkelly

    I cant say for sure, but I feel its a bit like the popper syndone, ie, the bowl of the BM will retain some of the smell. Its sure not as bad as the popper though in this regards, and the BM bowl is much easier to give a good wash to than the popper.

    After 7 roasts my bowl is not discoloured at all. But the spindle bit in the middle has turned a bit brown. But thats the most exposed part and gets all the heat, so its probably just a bit burnt. No coffee smell at all.

    Youd just have to try it and let us know 8-)

    Belinda

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    Re: Easy Hands Free Heat Gun Setup

    Coffee flavoured bread? Could be the next big thing...... :D

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    Re: Easy Hands Free Heat Gun Setup

    well it only took a week. SWMBOs mum found me a breadmaker at a garage sale. Remmington big loaf.... a quick clean to remove the gunk from the two loaves it had made and its good as new! it has a rapid setting which pulses for 2 minutes, then spins constantly there after.
    If this method allows me to do one 300-400g roast each week i will be very happy.!
    i owe you a beer corretto..

    Cheers
    KoNG

  32. #32
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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by KoNG link=1154442377/30#30 date=1155469074
    i owe you a beer corretto..
    I think we owe her a party ::),

    Mal.

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    Re: Easy Hands Free Heat Gun Setup

    A party- now that sounds like fun! ::)
    Hey Mal whats all this about the parts required to bypass auto kneading sequence?
    Im interested because mine goes for 15 minutes then stops!
    This is okay because I generally am finished then anyway- but Id rather have total control! ;)
    What do I need to buyu and how do I set it up?
    Pics please ;D
    RH

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    Re: Easy Hands Free Heat Gun Setup

    by the sounds of it... i was lucky to find a brand that constantly spins for the desired time.
    All for $10...!

  35. #35
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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by rayzurhed link=1154442377/30#32 date=1155502458
    Hey Mal whats all this about the parts required to bypass auto kneading sequence?
    Im interested because mine goes for 15 minutes then stops!
    This is okay because I generally am finished then anyway- but Id rather have total control! ;)
    What do I need to buyu and how do I set it up?
    Pics please ;D
    RH
    Hi RH,

    Dont have any photos, and what I did to our BM might not necessarily be the same for yours. All thats needed though, is a switch (rated for 240V AC and 2.0 Amps as a minimum) that you mount in a convenient and non-destructive location on the BM (I used a small Push-button type that you press for On and then press again for Off).

    If your not sure about how to do any of this, Id seek the assistance of a licensed electrician since we are talking about playing with 240V AC and it can KILL :o. The switch needs to be wired in Parallel with the source for the normal supply to the Stirring Motor. If the motor is rated for 240V AC, then you could take it from the most convenient 240V source in the BM, in series with an "in-line" fuse if necessary. If the Motor is not a 240V unit, then you need to make sure that you take off the parallel feed from the same point as the Auto-Stirring system, probably from the base of a relay either electro-mechanical or solid state. You can see why you need to make sure that you know what you are doing with this.

    Once youve done the mod, test it out before putting everything back together and if all is well, then button everything back up and head off to the garage to start roasting ;D. I would really recommend that this mod is left to a licensed person as if the least goes wrong, you can fry your bread-maker, should the worst go wrong.... you can fry yourself or someone very near and dear to you :(. Youve got to weigh up the pros and cons very carefully.....

    Mal.

  36. #36
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    Re: Easy Hands Free Heat Gun Setup

    what everyones choice of heatgun...?
    thats my next purchase, is there any brands to steer clear of.?

    Beers
    KoNG

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    Re: Easy Hands Free Heat Gun Setup

    Hi KoNG

    I bought a GMC Platinum, cost about $70 bucks. From the choice available at Mitre 10 this seemed to have greater power (2000w) and a good heat setting (up to 650 degrees) The GMC platinum range is marketed toward a more industrial user - therefore I figured it could take a higher level of abuse*;D so was worth paying a bit extra.

    So far, so good. It comes with a range of nozzle attachments, one of which is a wide narrow heat diffuser, this works really well in in combination with the diameter of the breadmaker tin.

    Polly

  38. #38
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    Re: Easy Hands Free Heat Gun Setup

    I bought a GMC as well, not sure if it the platinum but it came in a case with attachments and scrapers. I have a problem with it where it will not restart if I turn it off for a few minutes. I have to wait until it cools down completely which can take 1/2 hour. Seems that it has some sort of thermal cutout that wont let me heat it up again after a short cool-down. I emailed GMC about it but they couldnt help. I might take it back if I can find the receipt. Fairly good heatgun otherwise and has a few different coloured lights to tell you what the heat setting is.

  39. #39
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    Re: Easy Hands Free Heat Gun Setup

    Ive been using a $15 XUI heat gun from Bunnings (not available anymore I dont think). However its starting to look like its on its last legs after only a few months. Every now and then the fan slows down and then speeds up, and sounds like its going to stop.

    Thinking of upgrading it to a GMC or Black and Decker. Not sure.

    Belinda

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    Re: Easy Hands Free Heat Gun Setup

    sounds like a mate just grabbed me a 2000w ryobi for only $39 on special at bunnings. So ill se how that goes. First breadmaker roast imminent. :-p

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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Corretto link=1154442377/30#38 date=1155611477
    Ive been using a $15 XUI heat gun from Bunnings (not available anymore I dont think). *However its starting to look like its on its last legs after only a few months. *Every now and then the fan slows down and then speeds up, and sounds like its going to stop.

    Thinking of upgrading it to a GMC or Black and Decker. *Not sure.

    Belinda
    Ive been thru about 4 xu1 guns from bunnings, they have all died eventually, some dying mid roast others tripping fuses (fan speeding up and slowing down was the exact symptom) :(, the later models have a slower fan in them and roast times are definitely slower than an equivalent rated ryobi which I got for $35. The best thing about the ryobi is the 3yr warranty, just keep the receipt and you know the max it will cost you will be less than $12 per year.

    I wouldnt have minded a fancy bosch or makita one but i think roasting beans for 20minutes straight is going to kill any heat gun eventually (when the beans are past 1st cracck they are outputting a lot of heat especially with batch sizes just under a kg) and the dearer ones only have a 12mnth warranty

    I too am now on the lookout for a cheap breadmaker ;)

  42. #42
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    Re: Easy Hands Free Heat Gun Setup

    Ryobi make a good little heat gun of quite reasonable quality, 2000W and variable speed, in a case with all the usual attachments for around $70-75.00.... probably lies somewhere between the GMC and a genuine trade unit in build strength. Black & Deckers is very similar, details here...http://www.justtools.com.au/prod143.htm

    Pic of Ryobi Heat Gun here....
    Mal.


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    Re: Easy Hands Free Heat Gun Setup

    Ryobi tools are now made in the PRC, Peoples Republic of China..
    Or so It says on my new cordless drill..
    I consider these as consumables, use them till they stuff up, get a replacement on warantty then throw it away.. Its rather sad that we have gone down the American way- Cheep is good..
    It allows the great unwashed to own a shite load of tools which they may use several times before they go tits up, The Upside is that you can leave GMC tools on a worksite and nobodt pinches them..
    Tepin

  44. #44
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    Re: Easy Hands Free Heat Gun Setup

    So just wondering ..... how many Coffeesnob BM roasters do we have now?

    Could this be the next big cult? :o :)

    Belinda ;D ;D ;D

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    Re: Easy Hands Free Heat Gun Setup

    Quote Originally Posted by Corretto link=1154442377/30#43 date=1155827036
    So just wondering ..... how many Coffeesnob BM roasters do we have now?

    Could this be the next big cult? * :o *:)
    I can feel a Poll coming on.......

  46. #46
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    Re: Easy Hands Free Heat Gun Setup

    Im a BM convert
    start the poll..!!!!

    wednesday night was my first roast with T.D.
    we did 300g of sumatrans for the first stab.
    the whole roast was maybe a bit long, but who knows.?? it got out to 22 minutes by the end, but in hindsight we/i probably went a minute or so too far into secong crack.! ive never noted a second crack so prominant, i seriously thought it was a delyed 1st crack.!
    anyways, the beans turned out great. a really even roast.. if not a little dark (even though i havent tasted them)
    the BM had no issues moving the beans evenly, but i might need to sort a suitable HG holding frame. (so i can drink beer while roasting)

    all in all... im well happy witrh the move from the popper.!

    Cheers
    KoNG

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    Re: Easy Hands Free Heat Gun Setup

    Well today was the day my BM was revamped! ::) Bullitt - who lives round the corner- was able to wire it up so that it doesnt stop when it gets too hot or after 15 minutes- which it did last time.
    Now there is a simple switch on the top.
    I roasted up 300 grams with the heat gun on the lowest setting about 2 inches from the rim of the basket/tub thingo.
    first crack at 10 and a half minutes.
    second at 14
    pulled it at 14:30.
    perfect! ;D ;D ;D
    Now Im roasting coffee like a professional ;)
    RH

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    Re: Easy Hands Free Heat Gun Setup

    Well I converted to the BM on the weekend and I dont think Ill be going back to the Imex. Luckily my Breville BM is an older model and the dough setting keeps the blade stiurring for at least 20 minutes. The control I had over the roast using the heatgun was great, I could either dial up or down the HG temperature or just move the gun in closer or out further. The BM really gave the beans a big stir and I was suprised to see how much aggitation the beans copped, in fact I was a little worried that they would be damaged but all was fine at the other end.

    I roasted 300gm PNG with ease, maybe a for little too long but the total roast time was much shorter than the Imex on a comparative day. Its easier to compensate for higher outside air temps, easier to hears the cracks and you can sample the roast at any time :). The only item I want to add is a thermocouple to get a better idea of temp inside the bowl. My HG has a series of lights that indicate temp, but I dont trust them all that much.

    If there was a prize category at an annuals snobs rewards night for the greatest innovation in home roasting I think this would be a winner hands down!
    [smiley=thumbsup.gif]

  49. #49
    Senior Member
    Join Date
    Feb 2005
    Posts
    2,574

    Re: Easy Hands Free Heat Gun Setup

    Well done Corretto. Part of the fun of home roasting is utilising equipment at hand, converting the prosaic to the sublime. And when it works--- added satisfaction.

    Robusto

  50. #50
    Senior Member
    Join Date
    Mar 2006
    Location
    Brisbane
    Posts
    756

    Re: Easy Hands Free Heat Gun Setup

    Behmor Coffee Roaster
    Thanks Robusto, my thoughts exactly 8-)
    Must admitt I was going to get a Gene Cafe or Hottop, but thats on hold now with this little setup working all too well. I still might down the track, but not for a while :)

    Glad to see youve joined the BM roasters club Matt G ;D
    Some of my first pictures at the start of this post show where I had the heat probe. Its held between the bowl handle and angled down amongst the beans. Comes out easy when the bowl is removed to cool the beans.

    BTW what heat gun do you have Matt ?
    Im on the look out for a better one than my XUI (which is dying).

    I think the next step in this setup is to find out some way to keep the bowl cooler. Im sure thats the reason why I get the odd divet out of the odd bean while roasting. Although when Ive brought locally roasted beans Ive seen more than a few divets out of them. So it happens in the big professional roasters too.
    So maybe the bowl doesnt need to be cooled down?

    Belinda

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