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Topic: Finally happened. I knew it would - starbucks roast (3 msgs / 66 lines)
1) From: Leo Zick
My modified popper has been giving me trouble lately. Basically, all I did
was extend the top with a can so I could fit more beans. But, the stock
black popper top is sort of the entire system, it holds the metal sleeve
down so proper heat is distributed.  Anyway, I was getting a larger roast
size, but wildly ranging temps. For example, temps would go from 400 to 300
in seconds, b/c of the metal sleeve coming up, out of place from the heat
source.
Onto the point, I tried a full 1 cup batch today. It was too much for the
sleeve. Most got stuck at the bottom, and I didn't know until it was too
late. At about 8 mins in, I hit a serious 2nd crack that didn't stop.  It
looked like a chimney off a high rise building when the boiler is first
turned on; or, like a locomotive. Im not kidding.  It went on for around a
minute (I was turning the heat on and off).  Finally, fire. Sparks started
popping up, so I figured time to dump.  Wow.
Well, now I know how to make charcoal! It crumbled right in my hands. :)
Lesson learned, and 2 hours spent roasting the remaining 2 cups of blended
beans I made. Ugh.
I just modified the popper, version 1.2. lets hope this works. I havent seen
a 'design' like it, so ill test it out and hope for the best. :)

2) From: Scott Marquardt
I'm not sure I'm quite visualizing this; would you mind doing it again
with the video rolling, then youtube it?
- S
On 10/29/06, Leo Zick  wrote:
<Snip>

3) From: Aaron
Leo you got lucky on the fire part.   when first testing my roaster I 
built, I let one go for WAYYYY too long, smelled like crap, smoked like 
hell, hot as ever.    when I held it over the fan to cool it down after 
bringing it out of the roaster,  it started smoking hard and before I 
could say WTF and remove it.... WOOF!!  my drum is on fire in the 
kitchen.  Under the sink faucet it went, down the disposal it went, out 
the  windows it went.   Third crack is no joke, and while I had an all 
metal construct, and the screening actally acted kind of like a flash 
off supressor, someone using a more open method like you are, or 
something with plastic parts involved could potentially get themselves 
into serious trouble.
Im glad it didn't go that badly for you and welcome to the 'equipment 
ruined to gain experience' club :)
Take care
Aaron


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