HomeRoast Digest


Topic: Thanks Ben (FR+ hack) (2 msgs / 41 lines)
1) From: Jim Schulman
I bypassed the drop down resistor on the FR+ and 
fed the fan directly from my small variac. As Ben 
said, about 20 - 21 volts was enough to move 4 
ounces of beans. The roaster didn't complain, and 
the cooldown only takes 2 minutes instead of 3.
Managed only 2 good roasts out of 5 on my first 
try, since the roaster is very different now; but 
I'm sure I'll be back to consistent quality in a 
few more tries.
I will go from 1.5 to 3 inches on my extender, 
since the beans are pushing against the lid in the 
current configuration. I hope that will reduce the 
tendency of the beans to go into thermal runaway 
(I'm not saying the e-word).
20 ounces roasted in an hour's session is nice.
Jim
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2) From: Ben Treichel
Jim Schulman wrote:
<Snip>
Yep, It took me 5 or 6 roasts to get some confidence, and more to feel 
like I was doing good with it.
<Snip>
My extender is about 1.5" and then my chaff collector. But I keep 
dropping the voltage to lessen the motion as they get lighter. So in the 
end I only have about 1.5" of chamber left when the roast is finished. 
Also, I am seeing a 2x size on the beans because 225gr green is the same 
height on the chamber as 112 roasted.
<Snip>
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