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Apology to Alan Adler
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andys
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andys
Joined: 10 May 2003
Posts: 856
Location: NY
Expertise: Just starting

Espresso: Speedster, Londinium 1
Grinder: EK-43,Robur, HG One, M3
Vac Pot: Yama
Drip: various
Roaster: PIDed Popper
Posted Thu Aug 16, 2012, 7:07pm
Subject: Apology to Alan Adler
 

I want to publicly apologize to Alan Adler, inventor of the Aeropress, for an incident that occurred back in 2009.

A few of you may remember a somewhat technical discussion about measuring extraction yields in Aeropress coffee. Alan offered a measurement method that was different from the standard one, and generally more favorable to Aeropress methods. I took him to task (somewhat rudely I recall) for changing the measurement protocol simply to make his invention look better.

Well, three years later it seems likely that Alan's measurement method was essentially correct, and I was quite mistaken.

In the past few months, VST has introduced the latest versions of its software that include (among many other things) "full immersion" concepts that seem similar to what Alan proposed.

It is the nature of this sort of research that few conclusions are final and few methods are totally ironclad. But the evidence seems quite strong at this point.

So again, to Alan I offer a sincere apology for my harsh criticism and narrow-mindedness.

Thank you,

 
-AndyS
picture page:  http://flickr.com/photos/andy_s/sets/
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AlanAdler
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AlanAdler
Joined: 31 Dec 2005
Posts: 708
Location: Palo Alto, Calif
Expertise: Professional

Espresso: AeroPress
Grinder: Baratza - Virtuoso
Roaster: Fresh Roast SR-500
Posted Thu Aug 16, 2012, 7:59pm
Subject: Re: Apology to Alan Adler
 

Thank you Andy.

I accept your apology with gratitude.

Alan
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gt
Senior Member


Joined: 29 Jan 2007
Posts: 210
Location: Mpls/St Paul MN
Expertise: I like coffee

Espresso: None
Grinder: Virtuoso
Drip: Cones & CCD
Roaster: P1 w/ variacs
Posted Sat Aug 18, 2012, 7:42am
Subject: Re: Apology to Alan Adler
 

But aren't you both half right?

As I recall the discussion was about calculating extraction without regard to brew method.  Or Alan did you say your method only applied to the Aeropress/full immersion brew method?
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andys
Senior Member
andys
Joined: 10 May 2003
Posts: 856
Location: NY
Expertise: Just starting

Espresso: Speedster, Londinium 1
Grinder: EK-43,Robur, HG One, M3
Vac Pot: Yama
Drip: various
Roaster: PIDed Popper
Posted Sat Aug 18, 2012, 10:04am
Subject: Re: Apology to Alan Adler
 

gt Said:

But aren't you both half right?

As I recall the discussion was about calculating extraction without regard to brew method.  Or Alan did you say your method only applied to the Aeropress/full immersion brew method?

Posted August 18, 2012 link

Hi Gary:

To be honest, I'm not sure; I haven't read that part of the thread since 2009. I really have no desire to reread it now, because it's not something that brings back fond memories.

Since you ask, however, my recollection is this: Alan used what we would now call an "immersion-style calculation" to show his Aeropress (used according to his instructions) extracted coffee in more or less a "normal" range (18-22%). I challenged his claim, but I was using the conventional "drip" calculations which most people now believe are inappropriate for immersion coffee (eg, Aeropress, French press, vac pot, etc).

Without getting into too much detail, I believe Alan was essentially correct. My criticism was off the mark.

 
-AndyS
picture page:  http://flickr.com/photos/andy_s/sets/
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