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Different grades of filter basket holes?
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Discussions > Espresso > Machines > Different grades...  
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,015
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Fri Oct 18, 2013, 9:17am
Subject: Re: Different grades of filter basket holes?
 

boar_d_laze Said:

There are limits to the quality of coffee you can consistently pull from a Gaggia Classic, largely due to temp related phenomena.  
BDL

Posted October 18, 2013 link

Once upon a time maybe :)  No offense meant, and just to complete the disabuse, I can get a flat intrashot temperature, or adjust to desired drop with Gaggia Classic.

http://www.youtube.com/watch?v=sluei1-IkTw

 
D4F also at
http://www.gaggiausersgroup.com/
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jonr
Senior Member


Joined: 25 Jun 2013
Posts: 298
Location: Americas
Expertise: I like coffee
Posted Fri Oct 18, 2013, 11:01am
Subject: Re: Different grades of filter basket holes?
 

I'll second that, using either temperature surfing (like a HX) or the variety of modifications available (some providing better temperatures control than $5K machines).

I'll add that "30 seconds" is a much better guideline than something like "shot time isn't meaningful".  

http://www.podmerchant.com/coffee/complexity-of-coffee.pdf

That some non-VST baskets suffer from undersized holes is not surprising.

http://www.espressoparts.com/PortafilterBaskets

On the other hand, if you order several baskets at the same time (or more precisely, manufactured with the same punch at the same time), I would expect them to be quite consistent with each other.
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germantownrob
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germantownrob
Joined: 2 Dec 2007
Posts: 2,152
Location: Philadelphia
Expertise: I love coffee

Espresso: Duetto 3, A Dead Oscar
Grinder: Vario-W, Preciso w/Esatto,...
Drip: Brazen
Roaster: Diedrich IR-1, HT B
Posted Fri Oct 18, 2013, 5:29pm
Subject: Re: Different grades of filter basket holes?
 

Before VST came along with their baskets every basket I had needed grind adjustment to give similar results which made using multiple baskets a waste during a session since the grinder needed adjustment. Now with VST/Strada and some other baskets it is easy to use a ridge less basket of the same size for doing multiple back to back shots with no grinder adjustment and get very similar results.

I have many older baskets from the same manufacture that require radical grind adjustments to get a similar pour, size and shape of the holes from the same manufacture is very noticeable and I had my favorites while others went in the trash. Now I have many VST and others, Precision triples being my favorites, that allow me basket changes with no grind adjustments when using the same size, this is great for a party since I can prep 3 baskets and bang out 3 shots, steam the milk, and have all three drinks built and served in under 5 min.

If not serving tons of drinks in a short period of time is a concern then VST baskets might not show much improvement over a favorite basket you have dialed in. Dialing in a basket you like that works well is going to give results, a VST is not going to improve this from shot, to shot, to shot, at least at first. Over time the VST when you get it dialed in to the window it likes it will give very consistent results since it requires prep work to be precise, if it is not the results can vary drastically. Being consistent is the nature of the beast when doing espresso, with a grinder up to the task the distribution of grinds needs to be clump free and evenly distributed, and the tamp needs to be level with a consistent amount of pressure. Poor construction of baskets IMO resulted in poor baskets prep from millions since no matter how well they prepped the basket poured quicker in one area, hence the lack of good espresso through out the world!
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jonr
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Joined: 25 Jun 2013
Posts: 298
Location: Americas
Expertise: I like coffee
Posted Sat Oct 19, 2013, 8:06am
Subject: Re: Different grades of filter basket holes?
 

germantownrob Said:

Being consistent is the nature of the beast when doing espresso

Posted October 18, 2013 link

That's worth repeating.  I'd get a small scale for weighing dose and a larger one (like a mail scale) for measuring tamp pressure.  That's what I do, even though I have a flow profiling machine that will mostly compensate for such things.
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