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· 07/04/2020 10:27 AM
Happy 4th of July! jazzyhands

· 06/24/2020 7:58 AM
@Mark McCornack, Please post your question in the forum.

Mark McCornack
· 06/15/2020 9:28 PM
Hi! Looking for a legacy inlet temp sensor on 13 yr old Gene Cafe. It seems they've changed it and now you need new mother board and new sensor. Any ideas where I can find compatibile old one? Mark

· 06/09/2020 6:39 PM
Wich thermometers Can i buy for my roasting machine compatible with usb or macbook?

· 06/05/2020 5:38 PM
peveleth, It is better if you start a post in the forum with your question. These shouts go away in time.

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Gene Temps
I have a problem… I am more excited about roasting process than drinking the coffee.

Anyhow, a lot has been discussed about Gene's profiles and temps. I just did a roast of Guatemala beans. Followed 300-480-350 temp profile. Below is a chart of what Gene was showing at the other end of drum as it was roasting.
John Despres
I understand your problem! Buy more beans, roast 'em and share 'em with friends. Repeat.

How did that batch taste?

Respect the bean.
John Despres
Fresh Roast 8, Gene Cafe, JYTT 1k, Quest M3, Mazzer Mini, Technivorm, various size presses and many more brewers.
Well, after ripping through SM's 8 pound sample pack and some side to side comparisons, we have developed strong preference for high brightness with floral and fruity accents. More specifically- Kenyan, Ethiopian, and Yemen coffees.

Also, I changed my roast profile on GN and eliminated warm up period. It seems to produce the brightest cup. This is a lot of fun!
What does your profile look like to get the florals and brightness with an Ethiopian? Can you post your temperatures and time stages? Also, did what did you preheat the gene to and did you use a drying stage?

I too like the brightness I find in Ethiopians and recently roasted a Sidamo and it came out tasting pretty bitter and no flavor. I think I took it to Full city and too dark, but I still expected a drinkable coffee and it just tastes flat and dull.

One of the problems with the GC is that, while the sort of curve that you show may be an accurate reflection of the exit temperature of the air flow while you are concentrating on keeping exit temperature flat, the beans do not know that and are taking up calories all that time. If you could only display their temperature, there would be an upwards slope all the time, reflecting their rate of temperature rise during that time! The curves are pretty (and when I had a GC I also used Roastmaster to record them) but they do not reflect what one really wants to know?
Barrie (San Diego, CA)
"So much to learn, so little time."
Hottop 2K+., Artisan, Jura Capresso ENA 3 (i.e. espresso).
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