HomeRoast Digest


Topic: Wierd roasting experience (4 msgs / 102 lines)
1) From: Phil Palmintere
This morning I opened up a bag of green Ethiopia Organic Dry Process Guji
Sidamo.  I roasted my hot air popcorn popper -- but I had something weird
happen.  After a few minutes, some of the beans looked toasty and were
getting close to cinnamon in color while other beans looked quite green.
1st crack started when I expected, but some beans were way behind & still
sort of green. 2nd crack started a bit late, but I'm guessing some of the
beans were actually only then hitting 1st crack. 
I do note there is a large variation in the size of the physical beans --
some are quite small, others are medium sized.
Does this sound weird to you, too?
Phil
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2) From: Doug Hoople
Hi Phil,
The size distribution probably does have something to do with it.
But I've noticed in HG/DB roasting (similar enough to popper roasting) that
the faster the "initial ramp," the more variation there is in the color of
the beans on the spectrum of brown to green. If I lengthen the ramp, then
the beans wind up pretty consistent as 1st crack approaches.
Don't know if this is part of what you're looking at, but it's a data point.
Good luck.
Doug
On Fri, Sep 25, 2009 at 12:26 PM, Phil Palmintere <
phil.palmintere> wrote:
<Snip>
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3) From: Andy Thomas
That has happened to me when I overloaded the popper so the air flow was in=
sufficient to agitate properly. Could that be the problem in your case?
From: Phil Palmintere 
To: "A list to discuss home coffee roasting. There are rules for this list,=
 available athttp://www.sweetmarias.com/maillistinfo.html"; decrisce.md
Sent: Friday, September 25, 2009 12:26:16 PM
Subject: [Homeroast] Wierd roasting experience
This morning I opened up a bag of green Ethiopia Organic Dry Process Guji
Sidamo.  I roasted my hot air popcorn popper -- but I had something weird
happen.  After a few minutes, some of the beans looked toasty and were
getting close to cinnamon in color while other beans looked quite green.
1st crack started when I expected, but some beans were way behind & still
sort of green. 2nd crack started a bit late, but I'm guessing some of the
beans were actually only then hitting 1st crack. =
I do note there is a large variation in the size of the physical beans --
some are quite small, others are medium sized.
Does this sound weird to you, too?
Phil
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4) From: Phil Palmintere
Hmmm.... maybe -- I did note the agitation seemed a bit slow at first ...
I'll try cutting down the batch size.  It was about 90 grams; next batch
I'll do 80 and see what happens.
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