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Some help with La Pavoni shots ?

Postby mitmind on Wed Aug 17, 2011 3:55 pm

So first things first

I read a lot (sweetmarias, lesson from Chris ect.. I see all Utube videos) but is not working

I have now everything working with the machine new gaskets around good pressure and temp.

I use a compak K6 grinder, :shock: a little big, I know but was "the Bargain" , the point is I tried some different
grinds ( from coarse to fine ) Until I found some resistance on the lever

Now I'm two clicks from 0 in the K6
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The tamp
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Here you can see some results
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I've tried everything more coarse more & less tamp
more fine by tho clicks by one....
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I'm turning little crazy .... :cry:

What I'm I doing wrong ..........

1 heat everything
2 charge PF
3 up the lever just until water comes out to avoid the suction
4 insert the PF
5 the rest lever up about 10 secs
6 then slowly pull down the lever

At the beginning looks like ok, dark and good crema, but when the lever is in the mid way turns in resistance (Channeling???) and the crema goes out more white :?:

Any help is super welcome xDDD

Thanks
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Postby tekomino on Wed Aug 17, 2011 4:18 pm

Is your coffee fresh less than 14 days after it was roasted?
Refuse to wing it! http://10000shots.com
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Postby uscfroadie on Wed Aug 17, 2011 9:28 pm

Grind and tamp look good, but your shot looks like it was pulled using stale beans. Also, depending on how many you are pulling in a short amount of time, you may be scorching the coffee. It's too hard to tell given you have very little crema.

No crema and blonding early ....sounds like old beans...
Merle
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Postby mitmind on Thu Aug 18, 2011 1:27 am

Hi
Actually you could be right so I'm using some kind of Illy :?
But one thing I could not understand is that I use the exactly same coffee in my demoka pump machine and makes really good crema and good taste as well.

I have another one newer and better quality but is already ground ;-( and as usual too coarse
Until the end of august I cant get some fresh coffee

Is really the LP that special ? only 14 days from roast?

thanks I'll keep U posted

J.
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Postby drgary on Thu Aug 18, 2011 1:57 pm

mitmind wrote:Hi
Actually you could be right so I'm using some kind of Illy :?

<snip>

I have another one newer and better quality but is already ground ;-( and as usual too coarse
Until the end of august I cant get some fresh coffee

Is really the LP that special ? only 14 days from roast?


I'm in agreement with the others who think a lot of the problem may be old coffee. But Pavonis are capable of wonderful shots with lots of crema, rich mouthfeel and flavor separation, so keep trying.

Here's a Pavoni pull using Four Barrel Friendo Blendo, 8 days post roast, dosed by volume just below the lip of the double basket, fresh ground. The grinder is a Le'Lit PL53. Nothing but crema. The iPhone distorts the color, which is actually more of a mahogany brown. Tastes really good. Use quality, fresh beans of course, and when you get them you may try grinding a little coarser, which can give you more crema. BTW, channeling will not cause more resistance, since that's the brew water bypassing some of the coffee to find a faster way through the puck. My favorite pressure for a pull is about 30 lbs.

Image
Gary
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What I WOULD do for a good cup of coffee!
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Postby mitmind on Thu Aug 18, 2011 3:55 pm

Thanks guys

It's hard to believe but If all of you said the same,,,,, then I have to try xDDD

I'll try to found some place here in Barcelona for buying some "just roasted" coffee

This afternoon I just installed a PID control on LP (Not good coffee yet, but At least I have some fun)

And in the "waiting time BTW heat end cold" I had an idea, I regrinded more fine the "good coffee" The pull was better with more quality coffee (sorry no pics)

But I'll keep you posted with my progress and with Ray permission of course I'll show you my PID fun time ! !

Regards
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Postby RayJohns on Thu Aug 18, 2011 5:13 pm

Did somebody say PID La Pavoni? :-)

We need photos!

As far as the shots, fresh coffee (and the proper grind) are both super important. If the beans are older than about 3 weeks, you might as well throw them away (almost).

Ray
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Postby afan on Thu Aug 18, 2011 7:05 pm

Fresh roasted made the difference, here's my shot today of the PT's Sidama Ardi roasted on Tuesday.Image
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Postby mitmind on Fri Aug 19, 2011 8:22 am

YES ! ! WE CAN ! ! !

This night I was spinning on my bed cant sleep (too much coffee may be :roll: ) xDD

The point
I remembered that video http://www.youtube.com/watch?v=59ACGsNDITk when the guy up's the lever more water than vapor goes out, not my case.
So I start to think about it and decide to get down the temp using the PID (Thanks Ray for the idea) anddddddddd voilaaaaaa

Image

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gorgeous ...... (for a coffee rookie like me of course)
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Using the same coffee the same grind and the same tamp WTF I cant believe this

In my other pump machine nothing of this seems to be important .....

I know can be better, and will be, trust me I'm stubborn enough to keep trying :shock:

The next steps
Get better coffee
keep digging on temp vs pressure

I wanna say thanks for all comments, really are good help to me and a goal to get :D
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