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Just When You Think You are Getting It...
Rocket R58 Double Boiler
Rocket Espresso R58 Double Boiler -  Everything you need for the perfect shot!
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slofox
Senior Member


Joined: 28 Nov 2012
Posts: 32
Location: Hamilton, New Zealand
Expertise: I love coffee

Posted Thu Jan 10, 2013, 10:36pm
Subject: Just When You Think You are Getting It...
 

I've had the Gaggia Classic for five days now - five days of trial and error and enough coffee intake to cause the bones to rattle...IYKWIM.

This morning, I pulled three shots in a row that were pretty good really - I thought I must be getting it sorted. So just before I left for work I thought to have one more go...haha.

Completely turn to custard. Even though I thought I had done all things the same, this one was a disaster. 3 seconds to start, all over in 12, no crema at all.

Back to the drawing board...(sigh).
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,051
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 Thu Jan 10, 2013, 11:57pm
Subject: Re: Just When You Think You are Getting It...
 

Well, just because you dialed in your grinder once doesn't mean it's set for eternity. With aging of the beans and changes in humidity the correct fineness of grounds also changes, so the grinder has to be adjusted. Most of the time on a daily basis, sometimes even more than once. That's perfectly normal.

 
***
"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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frank828
Senior Member


Joined: 23 Feb 2011
Posts: 581
Location: Los Angeles
Expertise: Professional

Posted Fri Jan 11, 2013, 2:55am
Subject: Re: Just When You Think You are Getting It...
 

that huge of a difference in that short amount of time...it's most likely a channeling issue.
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,051
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 Jan 11, 2013, 6:32am
Subject: Re: Just When You Think You are Getting It...
 

You're probably right, Frank. Maybe the last shot was prepared in a hurry.

 
***
"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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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,172
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4, Pharos,...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Fri Jan 11, 2013, 7:42am
Subject: Re: Just When You Think You are Getting It...
 

What grinder are you using?

When were your beans roasted?

 
.
Always remember the most important thing is what ends up in your cup!
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slofox
Senior Member


Joined: 28 Nov 2012
Posts: 32
Location: Hamilton, New Zealand
Expertise: I love coffee

Posted Fri Jan 11, 2013, 3:29pm
Subject: Re: Just When You Think You are Getting It...
 

NobbyR Said:

You're probably right, Frank. Maybe the last shot was prepared in a hurry.

Posted January 11, 2013 link

Didn't tamp as hard as the last shot. That's what I reckon anyway.

All good again this morning.
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slofox
Senior Member


Joined: 28 Nov 2012
Posts: 32
Location: Hamilton, New Zealand
Expertise: I love coffee

Posted Fri Jan 11, 2013, 3:32pm
Subject: Re: Just When You Think You are Getting It...
 

emradguy Said:

What grinder are you using?

When were your beans roasted?

Posted January 11, 2013 link

Grinder is Sunbeam EMO480, borrowed from my daughter. Just waiting for the Ascaso to arrive.

Beans roasted 7 January at one of our local roasting houses. Single origin El Salvador. Deliciously fragrant coffee.
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slofox
Senior Member


Joined: 28 Nov 2012
Posts: 32
Location: Hamilton, New Zealand
Expertise: I love coffee

Posted Mon Jan 14, 2013, 2:18pm
Subject: Re: Just When You Think You are Getting It...
 

Ascaso i-steel grinder arrived yesterday. This is the flat burr version with the i-1 burr set. Stonking heavy beast but quite compact in form. Very noisy though. But then I don't give a rat's about that since there's only me living here. Apart from the cat that is and she doesn't seem to mind too much...

So it's a new ball game dialling this one in. Such fine adjustment available (stepless). It's not too far away about now but still not exactly as I want it. Trouble is, I can only test so much coffee in one sitting before the tremor immobilises me completely.

Overall, the Gaggia Classic is producing a pretty good product, even when things are not perfect. And when it does go right, it's great. Better than my local coffee shop actually but then I'm not about to go tell the barista his product is worse than my home stuff...
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,172
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4, Pharos,...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Tue Jan 15, 2013, 10:15am
Subject: Re: Just When You Think You are Getting It...
 

sounds like you're getting a handle on it.  This grinder should provide you much better consistency.  Sure great variances in tamp will cause some inconsistency, but considering that even if you tamp as hard as you can, you won't even approach the 135psi pressure the water hits the puck at during a shot, it won't make that much of a difference if you vary the pressure.  A bigger issue in shot prep will be distribution and anything else that makes your puck prone to channeling.

 
.
Always remember the most important thing is what ends up in your cup!
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slofox
Senior Member


Joined: 28 Nov 2012
Posts: 32
Location: Hamilton, New Zealand
Expertise: I love coffee

Posted Tue Jan 15, 2013, 10:54am
Subject: Re: Just When You Think You are Getting It...
 

emradguy Said:

sounds like you're getting a handle on it.  This grinder should provide you much better consistency.  Sure great variances in tamp will cause some inconsistency, but considering that even if you tamp as hard as you can, you won't even approach the 135psi pressure the water hits the puck at during a shot, it won't make that much of a difference if you vary the pressure.  A bigger issue in shot prep will be distribution and anything else that makes your puck prone to channeling.

Posted January 15, 2013 link

There is a bit of a difference in the flavour of the same batch of beans, grinding with the flat burr as opposed to the conical burr in the Sunbeam. But then I read all about that so maybe I am looking for a difference anyway...
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