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Gene Cafe Profiles and Results - Share Yours!
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Discussions > Coffee > Home Roast > Gene Cafe...  
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Susanna
Senior Member


Joined: 21 Oct 2006
Posts: 70
Location: california
Expertise: Just starting

Grinder: KitchenAid pro line
Drip: Technivorm
Roaster: Gene Cafe
Posted Mon Nov 27, 2006, 4:00pm
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

Does anyone have any ideas for a Costa Rican?  I just got 5lbs of a costa Rica cup of gold.   I am thinking full city for drip.  

Susan
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marknatm
Senior Member


Joined: 23 Nov 2006
Posts: 28
Location: North Augusta, SC
Expertise: I love coffee

Espresso: Krups
Grinder: Kitchen-Aid Retro
Drip: Technivorm KBTS
Roaster: Freshroast+8, Gene Cafe,...
Posted Wed Nov 29, 2006, 7:54am
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

Based on some of my research on the web you can check the Gene to see if you are getting adequate heating by setting your target temp at max (482) and running it empty to see how quickly you get to target.  If your results are 3 to 6 minutes (dependent on start temp), then your Gene is heating up properly.

Mine yielded the following  

t=0          T=80
t=1min     T=285
t=2min     T=395
t=3min     T=456
t=3.6min   T=482

Throw in 200gms of Columbian Decaf and 482 isn't reached for 7 minutes from a cold start.


Another factoid that I ran across was that if you weigh your chamber you will find that the mass of the chamber is quite large compared to the mass of beans that you roast.  So most of the initial temperature input is going into heating the chamber during a cold start.  The chamber weighs about 990gms.
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Susanna
Senior Member


Joined: 21 Oct 2006
Posts: 70
Location: california
Expertise: Just starting

Grinder: KitchenAid pro line
Drip: Technivorm
Roaster: Gene Cafe
Posted Wed Nov 29, 2006, 4:57pm
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

Yes I did that when I first got mine. This was in the kitchen about 70 degrees.

0  78
1  266
2  359
3  410
4  444
5  469
6  480
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disasterdude
Senior Member


Joined: 24 Sep 2006
Posts: 22
Location: Washington, DC
Expertise: I love coffee

Espresso: Barista
Grinder: Solis Maestro Plus
Drip: Capresso MT500
Roaster: Gene Cafe
Posted Thu Nov 30, 2006, 7:24am
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

Those are the same ramp up temps/times that I have gotten also, there is a neat  topic page here called: Home roast talk, Gene Café user help , sorry don’t know how to link to it , but many helpful roast time , temp ramp up times ect..,
I have been roasting like a crazy man for 6 months or so and I am finally experiencing all of these wonderful things everyone has been talking about, I think that the epiphany came on 3 major items:
Roast time -15 sec can make ALL the difference
Preheat the GC  [ I do 5 min]
Quick cool down [I do the emergency stop , dump into my home made cooler , 40 sec later the beans are COLD]
   I also leave the beans un covered for 12 hours or so, then seal in a air tight container, and never roast more than I can drink in 4 days or so , I roast  4oz./113 grms of 3 different beans and keep a detailed log on each roast. Referring back to the log I have been able to roast all 30 different varieties of beans that I have to a level that I would call amazing ! I still think of my roasting skills as mostly luck , but it is getting MUCH better
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Yemenman
Senior Member
Yemenman
Joined: 3 Apr 2006
Posts: 267
Location: Midwest
Expertise: I love coffee

Espresso: Bialetti Moka Pot
Grinder: Rocky
Vac Pot: Yama 8 , Kona
Drip: TV KBT741 MOKA MASTER CD
Roaster: I ROAST  GENE CAFE  HOT TOP
Posted Thu Nov 30, 2006, 8:01pm
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

disasterdude Said:

Those are the same ramp up temps/times that I have gotten also, there is a neat  topic page here called: Home roast talk, Gene Café user help , sorry don’t know how to link to it , but many helpful roast time , temp ramp up times ect..,
I have been roasting like a crazy man for 6 months or so and I am finally experiencing all of these wonderful things everyone has been talking about, I think that the epiphany came on 3 major items:
Roast time -15 sec can make ALL the difference
Preheat the GC  [ I do 5 min]
Quick cool down [I do the emergency stop , dump into my home made cooler , 40 sec later the beans are COLD]
   I also leave the beans un covered for 12 hours or so, then seal in a air tight container, and never roast more than I can drink in 4 days or so , I roast  4oz./113 grms of 3 different beans and keep a detailed log on each roast. Referring back to the log I have been able to roast all 30 different varieties of beans that I have to a level that I would call amazing ! I still think of my roasting skills as mostly luck , but it is getting MUCH better

Posted November 30, 2006 link

Forty Seconds! iam all ears,tell us more on what your using to cool.Iam suprised your only sitting on beans for four days,sum of them get interesting in five or six days of rest.

Steve
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disasterdude
Senior Member


Joined: 24 Sep 2006
Posts: 22
Location: Washington, DC
Expertise: I love coffee

Espresso: Barista
Grinder: Solis Maestro Plus
Drip: Capresso MT500
Roaster: Gene Cafe
Posted Fri Dec 1, 2006, 6:52am
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

For those of you concerned with quick cooling
Prh33 suggested
http://www.cocoajava.com/java_feature_homeroasting04.html

For $32.00 I made one, $24 for the 1gal shop vac, and $4 for the bowl [can not have holes up the sides] both at Wally world , I bought a 2 gal bucket and lid at Home Depot for $4 , took about 20 mins to do everything BUT drill the holes in the SS bowl , that took MUCH longer , I then found a neat kitchen cart at K-Mart for $60 , bought a oak 1x12, some fancy shelf brackets [which required some new power tools , OH YEA!!]  and made me a little cart [see picture] , I can roll it to the kitchen or out on the balcony [condo living stinks]  
BUT THE BEST NEWS IS: 465 deg. No cooling cycle used on the GC and it took 40 sec to cool 113 grms and 50 sec to cool 226 grms/1/2lb of  beans to what I would call “COLD”
I have noticed a lot of flavor change as the cooked beans sit , but I read somewhere that the roasted beans start loosing freshness after 4 days , I do know I lost the blueberries in the Sidamo in two days, I roast 3 batches of 113grms/4oz ea, on Sat, let them sit over night and start drinking the new batches on Sun Morning. It takes longer to come up with perfect profiles for 20 different beans, but they are always fresh !!!

disasterdude: Coffee Cart sm.jpg
(Click for larger image)
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Susanna
Senior Member


Joined: 21 Oct 2006
Posts: 70
Location: california
Expertise: Just starting

Grinder: KitchenAid pro line
Drip: Technivorm
Roaster: Gene Cafe
Posted Fri Dec 1, 2006, 8:39am
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

That is a neat sit up.  I bet it is quite the conversation piece.

Susan
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disasterdude
Senior Member


Joined: 24 Sep 2006
Posts: 22
Location: Washington, DC
Expertise: I love coffee

Espresso: Barista
Grinder: Solis Maestro Plus
Drip: Capresso MT500
Roaster: Gene Cafe
Posted Fri Dec 1, 2006, 10:42am
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

it would be if  I had freinds, spend all my time roasting , haha!!
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EddieDove
Senior Member
EddieDove
Joined: 30 Jun 2006
Posts: 837
Location: Gulf Coast, Mississippi
Expertise: I live coffee

Espresso: Gaggia Carezza
Grinder: Mazzer Mini, Dienes
Vac Pot: Yama w/ Cory Glass Rod,...
Drip: Technivorm, Chemex, Bodum...
Roaster: RKDrum, Behmor, Gene Cafe,...
Posted Fri Dec 1, 2006, 10:45am
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

disasterdude Said:

it would be if  I had friends, spend all my time roasting , haha!!

Posted December 1, 2006 link

LOL!!!  Now that's funny!  ... because I know how you feel ...

Eddie
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Susanna
Senior Member


Joined: 21 Oct 2006
Posts: 70
Location: california
Expertise: Just starting

Grinder: KitchenAid pro line
Drip: Technivorm
Roaster: Gene Cafe
Posted Fri Dec 1, 2006, 12:10pm
Subject: Re: Gene Cafe Profiles and Results - Share Yours!
 

LOL, me too.   I would think with all the wonderful coffee smells filtering  from you place that people would be knocking on your door asking if they could be your best friend.
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