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idiots guide to pulling consistent shots?
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Discussions > Espresso > Q and A > idiots guide to...  
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mig
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Joined: 8 Jun 2012
Posts: 14
Location: Santa Clara, CA
Expertise: I love coffee

Espresso: Rocket Espresso Giotto...
Grinder: Mazza Mini
Posted Fri Jun 15, 2012, 6:26pm
Subject: Re: idiots guide to pulling consistent shots?
 

BlueHawk Said:

Wonder over all wonders: My first real espresso tasted like Heaven - far better than any espresso I have tasted in Italy or France.

The next 20 shots varied fra bad to awfull

Posted June 15, 2012 link

LOL, that was pretty much my experience as well.  I just burned through a pound of high quality beans in 24 hours, but I am starting to see a light at the end of the tunnel.  Maybe the next bag will last a bit longer. :)
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mr_pedro
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Joined: 13 Feb 2012
Posts: 31
Location: Baltimore
Expertise: I love coffee

Posted Fri Jun 15, 2012, 7:19pm
Subject: Re: idiots guide to pulling consistent shots?
 

Looks like you are well on your way. Another thing you can do, rather than looking at the volume of the shot, is to weigh it. For a 15g dose I like my shots in the 15g~20g range, but you can also go towards the 30g for a regular espresso. All of these shots should be in about 25s~30s, the only difference is the grind. So with each coffee you should experiment a little to what you like best.

I don't know what you mean with not having a clue how to adjust the grinder, it is all done with trial and error at the begining. So if one shot is going too fast, you grind the next a bit finer. But as you see, this method only works if you can keep all else constant, that is why weiging the dose is important.
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greattemper
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greattemper
Joined: 25 Mar 2012
Posts: 19
Location: Tel-Aviv
Expertise: I love coffee

Espresso: Andreja Premium by quickmill
Grinder: Lelit
Roaster: Popcorn
Posted Fri Jun 15, 2012, 10:30pm
Subject: Re: idiots guide to pulling consistent shots?
 

mig Said:

 I am pleased to report that not only is it repeatable, but its delicious!  The single biggest adjustment I made since starting this thread is to dose by weight.  In theory I should be able to control the dose with the grinder timer, but now that I am starting to "taste" success, I'm not going to mess with it.

Posted June 15, 2012 link

Glad to hear you had the force on your side after all.
Now you  will see how your performance even increases over time.
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sweaner
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sweaner
Joined: 16 Nov 2007
Posts: 1,129
Location: Yardley, PA
Expertise: I live coffee

Espresso: Vetrano, Arrarex Caravel, La...
Grinder: Mazzer SJ, OE Pharos
Drip: Bunn Trifecta MB
Roaster: Poppery II
Posted Sat Jun 16, 2012, 9:46am
Subject: Re: idiots guide to pulling consistent shots?
 

I have this scale, which does a great job. I use it to both weigh beans and weigh shots at times when I am feeling really compulsive.

I recently used it to weigh a guinea pig to dose an antibiotic!

Click Here (www.amazon.com)

 
-Scott
“Coffee - the favorite drink of the civilized world.”
Thomas Jefferson
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D4F
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Joined: 15 Mar 2012
Posts: 2,021
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Jun 16, 2012, 10:38am
Subject: Re: idiots guide to pulling consistent shots?
 

sweaner Said:

I have this scale, which does a great job. I use it to both weigh beans and weigh shots at times when I am feeling really compulsive.

I recently used it to weigh a guinea pig to dose an antibiotic!

Posted June 16, 2012 link

Notice any unusual "beans" next weighing? :)

 
D4F also at
http://www.gaggiausersgroup.com/
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randytsuch
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Joined: 11 Jun 2009
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Location: LA, Ca
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Espresso: Expobar Office with...
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Posted Sat Jun 16, 2012, 6:56pm
Subject: Re: idiots guide to pulling consistent shots?
 

I didn't see that anyone answered your question about Eric's adaptor, so here is the "website" link I have for him

http://users.rcn.com/erics/

He used to hang out at Home Barista, not sure if he still does, but you can reach him via email.

I added his adapter shortly after getting my HX machine.  I had a few problems, and he was very helpfull in helping me get things working right.

BTW, I never did get the hang of temp surfing, so I would be lost without his adapter so I can read the grouphead temps.

You already have a good source of beans, get a scale has at least .1g accuracy (mine is .01, overkill), and Eric's adatpter and a digital thermometer and that should help a lot.

Randy
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,833
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Jun 18, 2012, 5:58am
Subject: Re: idiots guide to pulling consistent shots?
 

mig Said:

It is stepless but there are notches for reference - see image below.  At first I was adjusting by 5-6 notches and the result was much more dramatic than I expected.  In fact I have dumped every single shot I've ever tried when *not* using the factory setting, so I am disinclined to mess with it anymore until I know what I am doing and/or have a compelling reason.

I started weighing my beans this morning in an effort to regulate the dose and thus far the two shots I pulled with factory grinder settings have been decent - certainly good enough for a latte.  For distribution I tried stirring with a paper clip - not quite WDT since I don't have a funnel but a step in that direction.  I assume my unlevel tamping is also a contributing factor.

I only had to dump 60% of my shots this morning.  Definitely better than yesterday.  Maybe I should temporarily switch to decaf so I can get more practice! :D  Just kidding.  I think.

Posted June 15, 2012 link

When adjusting a Mazzer, SMALL movements make a big difference. Try moving the ring in the smallest possible movements. A move that is almost nothing will make a difference of a few seconds in a shot. The adjustment lever screwed into the ring really helps with small movements. Do not move more than about half of a "bump" on the adjustment ring at a time and when you are close, move it the smallest amount you possibly can to bring it in.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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takeshi
Senior Member
takeshi
Joined: 12 Oct 2002
Posts: 986
Location: Houston
Expertise: I live coffee

Espresso: Alex Duetto 3.0
Grinder: Super Jolly
Roaster: Amaya Roasting
Posted Wed Jun 20, 2012, 11:45am
Subject: Re: idiots guide to pulling consistent shots?
 

mig Said:

I am glad to hear that tamping pressure isn't as important as I had been led to believe, since that seems pretty difficult to control with any kind of accuracy.

Posted June 15, 2012 link

With regard to tamping, accuracy isn't as important as precision.
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mig
Senior Member


Joined: 8 Jun 2012
Posts: 14
Location: Santa Clara, CA
Expertise: I love coffee

Espresso: Rocket Espresso Giotto...
Grinder: Mazza Mini
Posted Thu Jun 21, 2012, 12:13am
Subject: Re: idiots guide to pulling consistent shots?
 

calblacksmith Said:

When adjusting a Mazzer, SMALL movements make a big difference.

Posted June 18, 2012 link

Yup.  I had to make adjustments this morning when I switched to a different type of bean and ended up dumping 2 shots.  One bump made the difference between 10ml in 30 seconds and 55ml in 26 seconds.  I do wish it wasn't so sensitive but its just a matter of getting used to it.
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mig
Senior Member


Joined: 8 Jun 2012
Posts: 14
Location: Santa Clara, CA
Expertise: I love coffee

Espresso: Rocket Espresso Giotto...
Grinder: Mazza Mini
Posted Thu Jun 21, 2012, 12:14am
Subject: Re: idiots guide to pulling consistent shots?
 

takeshi Said:

With regard to tamping, accuracy isn't as important as precision.

Posted June 20, 2012 link

Let's pretend I don't understand the difference. ;-)  Can you elaborate please?
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