HomeRoast Digest


Topic: Help w new iRoast 2: Chaff and 'indicated temp' (4 msgs / 96 lines)
1) From: Rbt Tut
Ive started using my iRoast 2 based on Tom's suggested profiles, using the
espresso one to begin with.
1) how do you get rid of the Chaff and not mix it in w the beans?
2) indicated temp by external LED:  once I 'find' my desired roast by color
and flavor, may I use the LED indicated temp as an end point to keep track
of (relative) to the ambient temp and the type of bean Im roasting
hoping to keep a small roasting log this way
many thanks!
RHT
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2) From: raymanowen
"1) how do you get rid of the Chaff and not mix it in w the beans?"
Not to worry, but you could get a small fan or vacuum cleaner; use the vac
normally, or arrange the fan to blow into a nylon stocking. That way, when
the chaff hits the fan, you will collect it.
How does the chaff taste? Not at all, compared to mass of the bean, which is
about 1000X as great. If you wanted to try a chaff taste test, collect
enough to fill a tea ball- you'll need 'em.
Cheers, Mabuhay and Magandang Gabi -RayO, aka Opa!
Got Grinder?
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3) From: Seth Grandeau
RHT,
If you can roast outside, the easiest way to get rid of chaff is to wait
until you hit cooldown, then, wearing an oven mitt, lossen the chaff
collector and let it "float" on the air column.  This has two benefits.  The
chaff flies free and the roast cools off even faster.  Just be careful not
to take the entire chaff collector (the lid and the metal deflector that
sits below it.  If you remove both, there is so much airflow that some beans
jump out.  You can remove the lid entirely or just let it float, so long as
you lossen it and let the chaff out, you're golden.
If you roast indoors, RayO's suggestion is good.  What I used to do is use a
colander with wide holes (I had an OXO good grips one) and swirl and shake
the beans over the sink.  The holes will rip the chaff off the beans, but it
takes a while.
Regarding the temps, I found the themometer on the iRoast to be consistent,
but it did not tell the chamber temp.  Mine never read above 400, no matter
how dark the coffee roasted.  But it would hit first crack at a somewhat
consistent temp.  You can add a thermocouple (Tom sells them) and get an
accurate temp from inside the chamber.  Do a search on iroast and
thermocouple and you find some detailed instructions and pictures of what
other people have done.
Good luck and happy roasting!
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4) From: Allon Stern
On Nov 20, 2008, at 3:17 PM, Rbt Tut wrote:
<Snip>
Sounds like you may have gotten this unit 2nd hand, or never read the  
directions :)
How do you open the lid? There is a chaff filter inside the lid. The  
whole lid on top of the glass chamber comes off; if you only remove  
the very top part, then the chaff filter comes apart mixing the chaff  
with the beans.
Exploded diagram here: https://www.i-roast.com/pro_02.php
<Snip>
Assuming you mean LCD, not LED.
Don't use it. Not only is it not acurate, it has lousy precision as  
well. Not good for a whole lot.
Get a thermocouple from Tom.
-
allon
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