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Espresso: Questions and Answers
Looking for some critiques of my extraction.
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Discussions > Espresso > Q and A > Looking for some...  
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majorbig
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Joined: 10 Jun 2011
Posts: 5
Location: Orlando
Expertise: I love coffee

Posted Thu Jun 14, 2012, 10:43pm
Subject: Looking for some critiques of my extraction.
 

I just recently made some modifications to my grinder and machine in order to try and make some better espresso, I managed to un-pressurize  my cuisinart em100, and I did a step-less mod on my skerton to increase my grinds consistency. I think i may have the grind close to were it needs to be but I am unsure. I filmed a recent extraction and was wondering if i could get some opinions on it. I think that it tastes good right now, I am just looking for anything that can make it better. I am shooting for a nice ristretto. Here is the video http://www.youtube.com/watch?v=n3V1osY3F8I

Thanks for any help.
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IMAWriter
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IMAWriter
Joined: 4 Jul 2002
Posts: 5,841
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, OE Pharos,...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600, CO/UFO combo
Posted Thu Jun 14, 2012, 11:43pm
Subject: Re: Looking for some critiques of my extraction.
 

Well, not be wing familiar with your machine, I'dsay off hand your grind is a bit too fine.
I'd ;like to see pour from a pump machine in 10 seconds or so after initiation.
Not a hard and fast rule, but I'd see drips at 4 seconds from my QM Anita HX (a much more expensive machine than yours, however). and a steady pour by 10-12 seconds after I lifted the little lever.

That said, seems you're getting real espresso from your little machine. You're doing something right!
BTW, your yield certainly fits the requirements of a ristretto...20-25ml or so?

 
Rob J (LMWDP #187)
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NobbyR
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NobbyR
Joined: 10 Jul 2011
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Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Fri Jun 15, 2012, 2:00am
Subject: Re: Looking for some critiques of my extraction.
 

I agree with Robert's diagnosis, you're grinding too fine.

IMHO a steady flow should start at 5 to 7 (10 at most) seconds after turning on the pump, extracting 25 to 30 ml in around 25 seconds (counting from staring the machine) for a single shot.

 
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"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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majorbig
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Joined: 10 Jun 2011
Posts: 5
Location: Orlando
Expertise: I love coffee

Posted Sat Jun 16, 2012, 11:32pm
Subject: Re: Looking for some critiques of my extraction.
 

Thanks for the help, i loosened my grind up a bit, overshot the first time, but now i am getting 25-30 sec extractions with a steady flow from about 5 seconds in.
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BeanLink
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BeanLink
Joined: 28 Jun 2012
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Location: Toronto, Ontario
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Posted Thu Jun 28, 2012, 2:10pm
Subject: Re: Looking for some critiques of my extraction.
 

If it tastes good now, why dont you keep it there and mess around with age of coffee. Was that really fresh? The crema seemed to dominate the cup.

 
Destination Coffee at your Doorstep
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