GeneCafe Drying Time

by **vanboom** on Sun Mar 01, 2009 4:26 pm

There has been a lot of discussion here about keeping the bean temps below 300F until they are yellow.

If I use a temp setting of 315 on my GeneCafe, it takes about 15 minutes for the beans to reach a yellow color. Is this too slow? Should I set a higher initial temperature?

thanks!
Don

by **Maskedman** on Mon Mar 02, 2009 6:25 pm

Great topic Don, I have the exact same question!

Thomas

by **cai42** on Thu Mar 05, 2009 3:28 am

Greetings,

I warm the beans for 3 minutes at 310F then increase the temp to 475F, run until I hear first crack then drop the temp to 460F. and roast to the stage I want. Please read Tom's instruction sheet at sweetmarias.com. Fifteen minutes is too long.

Cliff Isackson

by **vanboom** on Fri Mar 06, 2009 1:13 am

Yea, 15 minutes seems long, but honestly my roasts have been turning out pretty good.

another_jim wrote:The drop in and drying time calibration are hugely roaster specific. It might be seven or eight minutes in some unventilated drums, and two to three on some air roasters.

I started by getting all the beans fully bright yellow by the time I'd hit 300F. It took around 5 to 6 minutes for most beans. This turned out to be the big breakthough in roasting for me, I could get a non-grassy, sweet, well developed roast even at the classic New England, cinnamon, cupping roast llightness.

My question probably relates more to the ambient vs. bean temperature, maybe we should start with a higher air temperature setting than 325?

by **cai42** on Fri Mar 06, 2009 6:26 pm

Greetings,

The temperature read-out on the Gene is the temp of the exit air not the temperature of the beans.

Cliff

by **Spironski** on Fri Mar 06, 2009 9:29 pm

Yeah, that is my Big Question too: what is the offset between temp. read out and actual bean temp. on the Gene? I have read a lot of roast profiles, but they don't say anything unless I can interpret them for the Gene. And then there is the dependancy on voltage, which seems to differ from country to country. Do I have a slow, or a fast Gene?

by **vanboom** on Mon Apr 06, 2009 1:12 am

Well - my question is moot now because my GeneCafe heater broke for the 2nd time in 8 months. I only roast once / week. So, totally disappointed with the reliability and build quality of the GeneCafe - I bought a Hottop!!!
best,
Don


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