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Double Shot feedback? (youtube video)
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Discussions > Espresso > Q and A > Double Shot...  
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ShooterMcGavin
Senior Member
ShooterMcGavin
Joined: 17 Feb 2012
Posts: 53
Location: SoCal
Expertise: Just starting

Espresso: N.S. Oscar
Grinder: Preciso
Posted Mon Oct 8, 2012, 1:56pm
Subject: Re: Double Shot feedback? (youtube video)
 

I pulled a double today, but this time I dosed 17.9g.

Here's a video of the shot:
http://www.youtube.com/watch?v=tTy-MbQ6-Cc

From what I can tell, there isn't any gushing.  Although I probably should have stopped the shot when the stream got wobbly (or before).  I think I like Toscano more as a ristretto.  Also, I don't stir my espresso.  I kind of like tasting the various layers, but I know many who would disagree.

I'll probably send my portafilter out to Verna Design sometime this week.  My local machine shop wanted to charge $65, and other shops around the area only seem to respond to large-scale orders.

 
Daviiid
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Perked
Senior Member
Perked
Joined: 24 Sep 2012
Posts: 30
Location: Ohio
Expertise: I live coffee

Posted Mon Oct 8, 2012, 2:07pm
Subject: Re: Double Shot feedback? (youtube video)
 

Very interesting. I'm new to ALL of this, so in watching the 2 videos, I couldn't really tell what the difference was in the end result. The clear glass looked the same at the end... by saying gushing, do you mean the flow starts to wobble? I can see that being the case, but I'm curious why it is a concern?

Thanks for clarifying for me. There is much to learn here and I can see that this is an art and a science in one :D
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frank828
Senior Member


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

Espresso: GS3
Grinder: RoburE, Kenia
Vac Pot: Hario
Drip: Brazen, CCD, Aeropress, V60,...
Roaster: Behmor, Air Crazy
Posted Mon Oct 8, 2012, 2:16pm
Subject: Re: Double Shot feedback? (youtube video)
 

you're most likely just having issues with channeling.

i have similar issues at times with my naked portafilter where it'll start out alright then i'll get some spritzing and sometimes what i like to call "horribleness" aka gushers.  

maybe consider doing a WDT?  ive lately starting doing a bit of tapping of the portafilter onto the counter to distribute the grounds better.  It seems to help me a bit.  I'll dose about 1/3 of the grinds, tap about 4-5 times to even it out, put the other 1/3 in, tap again, then finish it off and tap again.  Then i usually nutate lightly and then tamp.  Helps a bit.

btw i purchased my naked portafilter from ebay(cheapest i could find) from this seller.  http://www.ebay.com/itm/NUOVO-SIMONELLI-ESPRESSO-BOTTOMLESS-NAKED-PORTAFILTER-21-g-BASKET-INSERT-/330786999095?pt=BI_Hot_Beverage_Brewers&hash=item4d04710b37
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Joel_B
Senior Member
Joel_B
Joined: 9 Oct 2007
Posts: 1,823
Location: Pacific NW
Expertise: I love coffee

Espresso: Astra Mega II
Grinder: Mazzer SJ, Virtuoso
Vac Pot: Yama 5 cup
Drip: nope, french press
Roaster: Behmor, WP, BBQ drum
Posted Mon Oct 8, 2012, 3:09pm
Subject: Re: Double Shot feedback? (youtube video)
 

ShooterMcGavin Said:

I do notice a lot of clumping so WDT may help.

Posted October 7, 2012 link

With clumping the WDT is all but mandatory.  However, breaking up clumps is only one of the results. It is afterall the Weiss Distribution Technique.  Even with a clump free grind it can still aid in even distribution.  Something to at least try and see if you notice a difference.

Looking at your other video, nothing seems out of sorts although i'd personally stop it sooner (again hard to tell not being in person).
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