[Homeroast] Behmor times with new chaff collector vs old

Dave Ehrenkranz daveehr at mac.com
Tue Jan 12 14:00:19 CST 2010


Rich, have you noticed increased roasting time with low profile chaff collector?
On Jan 11, 2010, at 2:33 PM, Rich wrote:

> You are correct.  Bright shiny chaff collector is a critical part of temperature control and heat energy containment.
> 
> J.W.Bullfrog wrote:
>> No, but I was suspecting that roasting w/o chaff filter was extending my
>> roast times. My suspicion is that the old chaff collector reflects more heat
>> than just the door & floor w/o iy.
>> On Fri, Jan 1, 2010 at 3:59 PM, Dave Ehrenkranz <daveehr at mac.com> wrote:
>>> I recently got the new low profile chaff collector and have noticed my
>>> roasting times have increased subsstantially. For instance 227 grams of
>>> Ethiopia Gr.3 Dry Process Yirga Cheffe roasting times:
>>> With old high profile collector 16min 9 secs beans lost 18.9% of wt and
>>> went into 2nd crack (FC+)
>>> 
>>> With new low profile collector 18min 0 secs beans lost 16.3% of wt and
>>> estimate roast was a City+. Definitely lighter in color as well. I also
>>> preheated the roaster with chaff collector in roaster for approx 55 seconds.
>>> 
>>> I also note that the new low profile collector weighs 590 grams vs 424
>>> grams.
>>> 
>>> Have others been noticing similar results?
>>> 
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> 
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