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Need help with improving tamping
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atytse
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Joined: 9 Oct 2013
Posts: 26
Location: Beijing
Expertise: Just starting

Posted Wed Dec 18, 2013, 3:27pm
Subject: Need help with improving tamping
 

Hi guys, I'm having a hard time getting equal flow out of the portafilter (meaning that coffee streams only come out on the left holes not both holes). Occasionally I'll get both holes but it's not consistent.

I think this is attribute to tamping?  How can I improve and resolve this issue? Thanks.
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frcn
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frcn
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Espresso: Vibiemme Domobar Double
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Posted Wed Dec 18, 2013, 5:55pm
Subject: Re: Need help with improving tamping
 

I assume that you are using a standard portafilter with a spout that pours into two cups at once (if you so choose). Pouring out one side more than the other is likely not a factor of tamping. Could be the spout needs filing where the stream separates or the machine is not level or some such thing.

 
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Nurk2
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Nurk2
Joined: 3 Oct 2013
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Espresso: Gaggio Classic
Grinder: Gaggio MDF
Drip: French Press
Posted Thu Dec 19, 2013, 6:12am
Subject: Re: Need help with improving tamping
 

atytse Said:

Hi guys, I'm having a hard time getting equal flow out of the portafilter (meaning that coffee streams only come out on the left holes not both holes). Occasionally I'll get both holes but it's not consistent.

I think this is attribute to tamping?  How can I improve and resolve this issue? Thanks.

Posted December 18, 2013 link

If the grounds are distributed evenly in the basket, and you're tamping it down evenly, you're pretty much done.

This video I freaking LOVE!:

http://www.youtube.com/watch?v=6meNltwPN0I

"That's it."

In the vid below, watch him tamp at 18 secs, again at 29 secs, and again at 1:27. Watch close, it happens FAST!

http://www.youtube.com/watch?v=MHZjUcwxMhY

The ONLY thing he's focusing on is keeping the tamper even.




Cut right to 3:10 on this one. Great shot of her level and tamp.

http://www.youtube.com/watch?v=YA4pgraoCGc

 
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calblacksmith
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calblacksmith
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Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Thu Dec 19, 2013, 6:46am
Subject: Re: Need help with improving tamping
 

You do not list your equipment so we have no idea what you are using and what is required. Any "help" is a shot in the dark guess.

Not flowing from both spouts equally, my first GUESS is that your machine is not level. The espresso leaves the PF through ONE HOLE in the bottom of the PF then falls onto a divider to "split the shots" The most common reason for unequal flow is a machine that is not level. Then is some sort of deviation in the splitter of the PF thus the advice above for possible filing of the splitter.

There is no way you can know where the flow is through the puck with a standard PF, it all exits through the same hole in the bottom of the PF, only a bottomless PF can tell you WHICH SIDE if any the flow through the puck is.

A flat, even tamp (on a non pressurized PF you don't tell us what you have) is all you need, even the pressure is not a big deal, just be consistent from shot to shot.

 
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