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  1. #1
    Junior Member
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    Mar 2014
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    Advise Please: I'm Thinking about upgrading to an Ambex YM15 roaster

    Thinking about upgrading from a Ozturk 2 Kilo roaster to a Ambex YM15 roaster, what is the minimum charge weight of this roaster. Sometimes I only need to roast 5 or 6 pounds, is it feasible to roast this small amount. Thanks in advance

  2. #2
    Super Moderator
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    Aug 2003
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    I had an Ambex 15 kilo..it was 20 years ago though...so I might be off a bit...I think the smallest batch I did on it was 9 ? if not it was no more than 11. I have an Ambex 60 kilo and I can do 25 lbs batches easily.
    "Wine is for aging, not coffee."
    Ken Hutchinson, Starsky and Hutch

  3. #3
    Senior Member
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    Nov 2017
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    NYC
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    Why not keep the Ozturk for the small roasts and get the YM15 for the larger ones, or find a 10 kilo maybe that allows your desired small roasts as well as higher capacity larger roasts.

  4. #4
    Member
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    Feb 2015
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    54
    I just picked up a 5kg drum roaster and from what I gather, about 20% of capacity is the minimum for drum machines. So 3kg for a Ambex 15 would be a place to start.

    But I hear roasting partial batches is not linear on drum machines.

  5. #5
    Junior Member
    Join Date
    Mar 2014
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    22
    Quote Originally Posted by almico View Post
    I just picked up a 5kg drum roaster and from what I gather, about 20% of capacity is the minimum for drum machines. So 3kg for a Ambex 15 would be a place to start.

    But I hear roasting partial batches is not linear on drum machines.
    Contacted Ambex about this, they told me 3K is easily done. as soon as I get it in I will be selling my 2 Kilo roaster. Thank folks for chiming in on this.

    Cheers
    Rich

  6. #6
    Member
    Join Date
    Feb 2012
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    34
    If you keep a log of every roast (you definitely should), then every roast is an experiment that uses previous knowledge and adds to it.
    My next roast log always references a previous roast that I attempt to emulate.
    Most of the time, I keep to a fixed charge weight - these are easy except for new beans.
    For those times when I must roast a small batches, the logs from previous small batches are especially useful.
    I keep all roast logs in an SQL database so I can easily find previous roast logs that match my current criteria.
    Did I mention that recording each and every roast in a log is very important?
    Sorry if I'm preaching to the choir.

  7. #7
    Junior Member
    Join Date
    Aug 2018
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    13
    I had an Ambex 15 kilo..it was 20 years ago though...so I might be off a bit...I think the smallest batch I did on it was 9 ? if not it was no more than 11. I have an Ambex 60 kilo and I can do 25 lbs batches easily.

 

 

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