I collected abou 12kg of green beans yesterday. Tonight I ran 80g of PNG Papua New Guinea through my iRoast2.
Results? I think they were roasted way too dark. I tried “dark roast” profile #2 then ran “light roast” profile #1. Although you have to give the beans 24 to vent off CO2 before using them, just chewing on some beans, and visually inspecting them, they boast quite a char.
The manual says don’t roast with the machine more than once in two hours. I did twice in thirty minutes, so maybe my second attempt (the light roast) was overheated from the preceeding run.
Regardless, I still think this is running way to hot, making far too dark a roast to be worthwhile. So out with the auto programs I guess; I’ll have to start with my own.
Update. So I read some online stuff and realized that people generally shut off the roast (vent it) when the roast gets to the point they want. Running the full program isn’t necessary. So I just ran another batch, using the light roast preset, and shut it off with about three minutes thirty to go. Got something around a City+ Roast. We’ll see how the PNG tastes under those conditions. Certainly better than the char-burgers I made in rounds one and two.
Matt comes out soon. This is screaming weekend project “install a datalogging thermocouple in Mike’s iRoast.”
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Make sure to produce a graphic of your roasting experiments. The judges at PJAS always love those!
No mention of your swollen teet?????
Stop using those nipple clamps!!!
Radio Shack has a voltmeter that data logs via a serial port. Thermocouple wire produces milivolts per degree dependent on wire type. I can send you some but I guess any two different metals will work so you might be able to make something from an iron copper junction. It is ok to solder the junction. Radio shack also has rtd’s which may work dependent on temps involved.
will you save some data logging for mom and i?
we do love it so.