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hunts
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Posted Sat Aug 30, 2008, 11:28pm
Subject: Aeropress - espresso extraction
 

Ok, I know you guys already mentioned the Aeropress does not produce true crema.  Lately, I've been tinkering with the Al-Clad Presso (discontinued in the U.S.) but sold simply as Presso now.  

That gave me the idea to use the Aeropress, tamp the grounds with the plunger, pour boiling water inside, and press.  Unfortunately, I didn't achieve the same results as I did with the Presso.  The design of the Aeropress and the Presso are similar in that they both do use a plunger mechanism to push water through the coffee grounds.  The only major difference is the presso has a portafilter attached to it.  So that got me thinking.. is it possible for us to modifiy the Aeropress to use a portafilter to make espresso?  

I was thinking of creating a separate and modified chamber that can be screwed onto the bottom of the Aeropress that may act as a handle-less portafilter.  Yeah yeah, I know.  It's a crazy idea.  And I know some of you are probably gonna say the Aeropress wouldn't produce enough bars of pressure.  But I cannot ignore how similar the Presso and Aeropress are in concept.
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CoffeeRoastersClub
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CoffeeRoastersClub
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Posted Mon Sep 1, 2008, 10:10am
Subject: Re: Aeropress - espresso extraction
 

hunts Said:

Ok, I know you guys already mentioned the Aeropress does not produce true crema.  Lately, I've been tinkering with the Al-Clad Presso (discontinued in the U.S.) but sold simply as Presso now.  

That gave me the idea to use the Aeropress, tamp the grounds with the plunger, pour boiling water inside, and press.  Unfortunately, I didn't achieve the same results as I did with the Presso.  The design of the Aeropress and the Presso are similar in that they both do use a plunger mechanism to push water through the coffee grounds.  The only major difference is the presso has a portafilter attached to it.  So that got me thinking.. is it possible for us to modifiy the Aeropress to use a portafilter to make espresso?  

I was thinking of creating a separate and modified chamber that can be screwed onto the bottom of the Aeropress that may act as a handle-less portafilter.  Yeah yeah, I know.  It's a crazy idea.  And I know some of you are probably gonna say the Aeropress wouldn't produce enough bars of pressure.  But I cannot ignore how similar the Presso and Aeropress are in concept.

Posted August 30, 2008 link

Personally I think you would just be replicating Aeropresses already built in "portafilter" by attaching a real portafilter to it.  Additionally if you tamped the grounds as you would with a real espresso machine, you would likely find it extremely difficult if not next to impossible regarding plunging the water through the grounds.

Len

 
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PTMcHsu
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Posted Fri Oct 23, 2009, 5:50pm
Subject: Re: Aeropress - espresso extraction
 

CoffeeRoastersClub Said:

Personally I think you would just be replicating Aeropresses already built in "portafilter" by attaching a real portafilter to it.  Additionally if you tamped the grounds as you would with a real espresso machine, you would likely find it extremely difficult if not next to impossible regarding plunging the water through the grounds.

Len

Posted September 1, 2008 link


My 2-cents:

Normally, when I make my aeropress coffee, I triple up the filter paper, tamp down two scoop of espresso grind, pull the hot water and then immediately press the heck out of it.  It' bit of workout but it makes pretty good coffee.  But it's no espresso.  With paper filter and plunger with no mechanical advantage, it's not possible to create espresso like crema.

I also had modified one to fit a double portafilter basket.  As it turns out, it barely fit my now deceased Krups Gusto portafilter basket.  Again, with straight plunger with no mechanical advantage, it's not possible (at least for me) to press through specially with espresso grind.  9+ psi of pressure as required for espresso is a lot of force; I should have known better.  I also was not sure whether aeropress can withstand the pressure once I thought about it...
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yakster
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Posted Fri Oct 23, 2009, 7:10pm
Subject: Re: Aeropress - espresso extraction
 

I think the presso used the mechanical advantage of the levers to multiply the force where the Aeropress is a straight plunger.

-Chris

 
-Chris

LMWDP # 272
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wbaguhn
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wbaguhn
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Posted Sat Oct 24, 2009, 7:10pm
Subject: Re: Aeropress - espresso extraction
 

hunts Said:

The only major difference is the presso has a portafilter attached to it.

Posted August 30, 2008 link

... and the paper filters, a way of packing the grounds in without later disturbing them, a mechanical force multiplier to increase the exerted pressure, a spout to direct the shot into a small cup...

I think the paper filter is more of an issue (for crema on an AeroPress) than anything else - it forms a sort of pressurized basket, destroying any crema that might form.  Attaching a portafilter is an ok start, but then you lose a lot of the advantages of the AeroPress.

Pressure is the next part, but I just put about half my weight on the thing and make pressure (and false crema, similar to what you'd get out of a pressurized portafilter, falls out the bottom).

I tried adapting a moka pot filter to the AeroPress, but no luck with that so far - my fine metalworking skills just aren't quite there.  My limited results suggest that there should be some hope for success - real crema.

How you gonna pour the water in without disturbing the puck?  Need to figure out a few other details too - like not stirring.
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calblacksmith
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Posted Mon Nov 2, 2009, 10:20am
Subject: Re: Aeropress - espresso extraction
 

Uh, am I missing something here? The Aeropress was never intended to make espresso. It makes a darn fine cup of press pot coffee, think French press but without the sludge but it was never intended to make espresso, why try to force it to do so?

Would you take a Vespa and try to use it to haul home 1/2 ton of construction materials? I guess I am saying, use the right tool for the job.

Hey, just my $0.02 so take it for what it is worth :P

 
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wbaguhn
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wbaguhn
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Posted Thu Nov 5, 2009, 12:14pm
Subject: Re: Aeropress - espresso extraction
 

calblacksmith Said:

Would you take a Vespa and try to use it to haul home 1/2 ton of construction materials? I guess I am saying, use the right tool for the job.

Posted November 2, 2009 link

Agreed.  That's something you'd do with a Lambretta.  (Frame!)
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dana_leighton
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dana_leighton
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Posted Thu Nov 5, 2009, 12:59pm
Subject: Re: Aeropress - espresso extraction
 

calblacksmith Said:

Uh, am I missing something here? The Aeropress was never intended to make espresso.

Posted November 2, 2009 link

You are apparently missing the ad copy. Aerobie says it is an espresso maker. From the big headline on the Aerobie site:

Aerobie® AeroPress™ Coffee & Espresso Maker

http://www.aerobie.com/Products/aeropress.htm

 
Dana Leighton - Espresso hack and CoffeeGeek moderator
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IMAWriter
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IMAWriter
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Posted Thu Nov 5, 2009, 1:08pm
Subject: Re: Aeropress - espresso extraction
 

dana_leighton Said:

You are apparently missing the ad copy. Aerobie says it is an espresso maker. From the big headline on the Aerobie site:



http://www.aerobie.com/Products/aeropress.htm

Posted November 5, 2009 link

Therein lies the truth. My Aero Press makes a "coffee concentrate", with which I then add 6-7oz of water for a fine "Americano style" beverage.
Excellent, but not a true Americano by definition, but a fine cup of coffee none the less.
But again, IMO NOT true espresso.
Sorry for the slight off toipic.
Referring back to the OP's subject, trying to mod an Aerobie Press just seems like much ado for an, at best barely discernible "improvement."

However,m several folks have done mods to their Presso's, or at least modifications to the brew technique to get their result closer still to a a professionally extracted espresso.

Also, to me, adding filters does a nothing but further eliminate the oils that make espresso well....espresso.

There have been descriptions here concerning a very fine screen metal mesh filter substitute for the Aerobie.

 
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charizzardd
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Posted Thu Jan 31, 2013, 9:13am
Subject: Re: Aeropress - espresso extraction
 

The science is there to do it if you get enough force behind it. Assuming you put a regular portafilter in, tamp correctly, are able to put water in without disturbing the packed shot....

You probably can't have an air gap between the piston and water since it will compress too easily so the plunger should be flush to the top if the water... The piston itself is around 2.25" diameter I believe. 9 bars of pressure is approximately 130 psi. To create 130 psi with a 2.25" diameter piston you need around (2.25/2=1.125; pi*r^2 = 3.976....; P=F/A so F=PA, F=130* 3.976...) 516 pounds of force... So unless your 100 pounds heavier the big show (don't make fun of my wrestling reference) then good luck creating that much force. The plastic itself can probably withstand 150psi inside but the piston may buckle pushing down that hard. I'm curious about this though...

Maybe a crank on a worm gear attached to a gear train and the piston you can probably hit a high enough mechanical advantage to have to only apply a few pounds of force, though I suppose you have the really turn that crank to make the piston move down fast enough to stay in that 27 second or so extraction window.

I think I just came up with a new project! Stay tuned. However, I guess I got away from the yes or no your interested in... just putting a portafilter on the aeropress is definitely possible with some simple machining, but espresso is not unless you can press really really really, 516 pounds hard on it.
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