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The ridge inside my baskets.... Causing channelling at the edges?
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Discussions > Espresso > General > The ridge inside...  
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Mikey_D
Senior Member


Joined: 23 Jul 2013
Posts: 6
Location: Hackney, London
Expertise: Professional

Posted Tue Jul 23, 2013, 2:16pm
Subject: The ridge inside my baskets.... Causing channelling at the edges?
 

hi guys, im new! Have said a hello in the newbie section!

So, currently where i am working, the baskets we have, have the ridge inside the basket, as well as out. Whereas in my old place of work, the ridge (i think) was on the outside, but the inner walls were straight down.

Now, sometimes, with the current baskets, when i take the portafilter out, and inspect the puck, i notice that around the edge, is what i can only describe, as a gap/crack around the edge. it doesnt appear to go too deep, possibly only to the ridge, but it's hard to tell.. I might dry one out and cut with a knife a cross section perhaps....
Anyway, would this be the result of the water finding its way around the edge first because of the ridge? It certainly seems so as i never used to get this with my other baskets...

I feel like i can't get such a consistent shot with these baskets. the shots are still good. and receive many a compliment in all drinks, but im concerned about it for sure. It should surely be flat across the top all the way?

Any help appreciated!
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Mikey_D
Senior Member


Joined: 23 Jul 2013
Posts: 6
Location: Hackney, London
Expertise: Professional

Posted Tue Jul 23, 2013, 2:17pm
Subject: Re: The ridge inside my baskets.... Causing channelling at the edges?
 

Click Here (www.home-barista.com)

like this guy, although perhaps not quite so severe in most cases!
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Mikey_D
Senior Member


Joined: 23 Jul 2013
Posts: 6
Location: Hackney, London
Expertise: Professional

Posted Tue Jul 23, 2013, 2:24pm
Subject: Re: The ridge inside my baskets.... Causing channelling at the edges?
 

It's possible i'm over filling... as the puck itself just touches the screen..... Thing is i struggle to get this basket down under 18 grams and keep the shot running within a good time. I'll try finer grind, but then it seems to just not push through at all evem with slightly less of a dose...

I've gone in circles on it a bit. Anyone else had this problem and got clear of it? In theory, i know what the problems probably are but cant seem to nail it in practice. Never run into this at my old place.. i might nick a basket for a few hours tomorrow as its only round the corner
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Mikey_D
Senior Member


Joined: 23 Jul 2013
Posts: 6
Location: Hackney, London
Expertise: Professional

Posted Tue Jul 23, 2013, 2:27pm
Subject: Re: The ridge inside my baskets.... Causing channelling at the edges?
 

Apologies for annoying multiple posts here...

Sometimes the drip of the coffee from the portafilter, for want of a better word, pumps out, going thin, then pushing more, then going thin again, in quick succession. This is pretty rare, and i'd never serve a shot when this happens, but it's a waste of time and of good coffee! Im sure this is due to channeling and uneven extraction, am i right? Shoot me down if im wrong!
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,110
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4 x2, VDD...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Wed Jul 24, 2013, 2:39pm
Subject: Re: The ridge inside my baskets.... Causing channelling at the edges?
 

Sorry if this sounds remedial to you, but since I don't know your cafe...

Beans are freshly roasted?

What grinder are you using?

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


Joined: 23 Jul 2013
Posts: 6
Location: Hackney, London
Expertise: Professional

Posted Sat Jul 27, 2013, 12:51pm
Subject: Re: The ridge inside my baskets.... Causing channelling at the edges?
 

Hi ya, yeah the beans are freshly roasted less than a week ago, we get them in weekly. The grinder is a good old super jolly. They do need a burr-change im pretty sure. Gonna tell the manager when im back off holiday i just have to keep getting finer and finer. They don't feel sharp at all!
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