HomeRoast Digest


Topic: Java Jampit roast profile (38 lines)
1) From: Gary Zimmerman
I've roasted a couple of batches of the Java Jampit, and both times saw a 
somewhat unusual roast profile.  I was wondering whether anyone else had 
noticed anything similar.
Note that I use a stovetop Whirley*Pop popcorn popper, so temps might not 
match yours, but here's what I've seen:
I toss in the beans, as I usually do, when the thermometer reads about 
425F.  The temperature falls, as it usually does, to about 270-275  (it 
varies, depending on the amount of beans and the height of the 
flame).  Once the temperature begins to rise again (after about 3 minutes) 
it typically rises pretty steadily, but not for the Jampit.  In that case, 
the temperature seems to stall awhile at around 300F.  (I do not usually 
adjust the flame while I'm roasting unless the roast is going obviously 
very wrong.)
First crack is very sparse, muffled, and drawn out over a couple of 
minutes.  There is a pause between first and second, but it's not so 
noticeable, because the first cracks are so few and far between 
anyway.  Second crack seems to take a bit longer than other beans to take 
hold (before I'd really "call" it as second crack), but then seems to gets 
going as a "typical" second crack.
That apparent stall at 300F is what first struck me, especially when it 
happened on both roasts I've tried of the Java.  I'm not sure what to make 
of it, as I haven't noticed anything like it - at least nothing so 
pronounced - in any other coffees I've roasted.
Still tastes good, though. :-)
-- garyZ
Whirley-drip(paper)-black
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