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NS Oscar Pump Behavior
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joey
Senior Member


Joined: 24 Dec 2002
Posts: 341
Location: madison, wi
Expertise: I love coffee

Espresso: Oscar
Grinder: Mazzer Mini
Drip: Chemex
Roaster: Behmor
Posted Thu Sep 20, 2012, 6:53pm
Subject: Re: NS Oscar Pump Behavior
 

wdt for the win...  i just measure in my 16 grams of beans and use a toothpick to distribute the grounds evenly.  less channeling.  you could also try grind finer/tamp lighter or viceversa to see what gets you the best results.
and my pucks are a little wet too usually.  not soupy but damp to wet on top.
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Markarian
Senior Member
Markarian
Joined: 27 Jun 2012
Posts: 658
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Fri Sep 21, 2012, 4:26am
Subject: Re: NS Oscar Pump Behavior
 

I was hoping I wouldn't need to worry about the WDT when I went to the Vario-W. Much less clumping. Most of my channeling occurs around the edges of the puck, since the tamper I'm using has ragged edges. I'm getting a new one tomorrow and will see how that goes. My wet pucks were caused by a kinked backflush tube, which finally exploded (see my new thread). I managed to replace the tube and it's working a lot better now.
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,036
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Fri Sep 21, 2012, 10:11am
Subject: Re: NS Oscar Pump Behavior
 

I WDT with a stainless steel poultry lacer.  I don't have to for the clumps, there are none of any size to speak of. I do it to distribute the grounds evenly.  But I probably don't have to but because it is working I don't want to change my process.  Then tamp drop in my naked (without a spring) and pull.  I expected to learn how to handle my puck less at the class but really I did not see anything that made me want to change my process so I am doing it as I was before the class.

Also, I am using VST baskets.  I HATED the NS baskets and they did not fit my tamper.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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