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Channeling on Mini Vivaldi S1?
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Discussions > Espresso > Machines > Channeling on...  
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EvanOz85
Senior Member
EvanOz85
Joined: 9 Jul 2011
Posts: 268
Location: Lafayette, LA
Expertise: I live coffee

Espresso: La Spaziale Mini Vivaldi II
Grinder: Baratza Vario and Preciso
Vac Pot: Bodum Santos, Yama 5-cup
Drip: Chemex, Kone 3, Kalita Wave,...
Roaster: Hottop B, Behmor 1600
Posted Sun Jan 6, 2013, 9:15pm
Subject: Channeling on Mini Vivaldi S1?
 

]Hey guys. I posted this on s1cafe.com..but no one seems to be interested in replying so I am re-posting it here.

I received my Mini Vivaldi a few weeks ago, and pretty much everything is going smoothly. However I'm concerned about some "holes" in my pucks that occur each time I pull a shot. I know that "puckology" is generally neglected but it's still bothering me.

I dose 16 grams into my bottomless PF. Grinder is a Baratza Preciso. 30lb tamp using an Espro calibrated tamper, and Cafelat tamping stand. After grinding into the PF, I use a toothpick to stir the grounds and break up any clumps. I then give the PF a whack or two on the rubber tamping stand to settle the grounds before tamping.

Shots run 34-37 seconds (including the 6 second pre-infusion) on average for 32g of espresso by weight.

I don't notice any obvious signs of channeling from my bottomless PF, but I don't think my eye is very trained for that anyways.

Any idea what could be causing these holes? They are usually around the bolt imprint.

Click Here (i249.photobucket.com)

Thanks so much!
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frank828
Senior Member


Joined: 23 Feb 2011
Posts: 581
Location: Los Angeles
Expertise: Professional

Espresso: GS3
Grinder: RoburE, Kenia
Vac Pot: Hario
Drip: Brazen, CCD, Aeropress, V60,...
Roaster: Behmor, Air Crazy
Posted Mon Jan 7, 2013, 1:26am
Subject: Re: Channeling on Mini Vivaldi S1?
 

how's it taste?

if it's good, i wouldnt worry about it.  It's never going to always be perfect.  Too many variables.
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diggi
Senior Member
diggi
Joined: 28 Nov 2011
Posts: 383
Location: Halifax, NS
Expertise: I love coffee

Espresso: Spaz vivaldi S1 V2
Grinder: B Vario, OE LIDO
Drip: Chemex, Espro Press,...
Roaster: Poppery I
Posted Mon Jan 7, 2013, 3:43am
Subject: Re: Channeling on Mini Vivaldi S1?
 

Glad to hear you are making some progress with the new machine. I don't know the answer to your question, but I do know what I would do about it.

EvanOz85 Said:

Hey guys. I posted this on s1cafe.com..but no one seems to be interested in replying so I am re-posting it here.

Posted January 6, 2013 link

My guess is because a)Nobody knows or b)nobody cares. As you already indicate, many don't get to fussed with puckology. I'm in that camp. I'm guessing you could get rid of it by increasing your dose to squish it out against the top of the shower screen. But the issue is, if you like the way the shot tastes, why would you increase the dose and mess it all up. And if you don't like the way the shot tastes, then maybe you should try increasing the dose just to see if it improves the taste, not to remove the small holes in the puck. So I know, not the answer you were looking for, but maybe others would agree that it shouldn't be very high up the list on things to concern you at the moment.
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,021
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Mon Jan 7, 2013, 5:11am
Subject: Re: Channeling on Mini Vivaldi S1?
 

If your bottomless portafilter doesn't reveal any extraction problems, i.e. there's no sputtering or the like but an even tiger striped flow, and your shots taste good to you, then there'll be no serious problem no matter how your puck looks.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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Markarian
Senior Member
Markarian
Joined: 27 Jun 2012
Posts: 656
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Mon Jan 7, 2013, 5:33am
Subject: Re: Channeling on Mini Vivaldi S1?
 

I quickly learned that puck forensics are a great way to make yourself go insane. I will echo the sentiments here:

No big jets? Check

30ml before major blonding appears? Check

Tastes good? Check

Enjoy.
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Jmanespresso
Senior Member
Jmanespresso
Joined: 18 Jan 2009
Posts: 2,109
Location: Westchester NY
Expertise: I live coffee

Espresso: Alex Duetto II
Grinder: Compak K10 - Vario
Vac Pot: Yama-SY5/SY8/TCA5
Drip: V60, Beehouse, CCD
Roaster: Hottop B
Posted Mon Jan 7, 2013, 3:52pm
Subject: Re: Channeling on Mini Vivaldi S1?
 

From what I remember from my time with the S1VII(The plumbed in version), thats normal.  At least for that machine.


Let me just say, if you're expecting pucks that look like hockey pucks and can be picked up and handled, you will almost never get that with the Vivaldi.  I explored a lot of the extraction space when I had my Vivaldi, dosing as much as 18grams in the double basket which a lot of the Vivaldi owners say is not the best way to get a good shot, using triple baskets, dosing very low..  I mean literally, I experimented a lot with the Vivaldi.  Learned a lot about what I liked in my coffee and what I didnt.

But the only constant through the entire time I owned that machine?  No pucks.  My knockbox was generally just a box of coffee clumps.

You'll drive yourself nuts, trust me.  Check out Youtube to see what bottomless shots look like Here is a good one, and then look for similar shots on your machine.  Keep in mind, your pre-infusion is meant to emulate an E-61 brewhead, so you should see beading once the pump ramps up the full pressure.  Here is one using a Mini-Vivaldi.  Not bad either.. Slight donut extraction, but otherwise its a solid shot.  You'll notice its on the ristretto side, slower flow, longer shot pull..  I found the Vivaldi liked shots like that.  YMMV. (Niether video is of me, btw)

 
Follow Your Bliss

Coffee makes your constantly overcome your prejudices and re-evaluate your own "received wisdoms" when it comes to judging cup flavors. -Tom Owen, SweetMarias
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EvanOz85
Senior Member
EvanOz85
Joined: 9 Jul 2011
Posts: 268
Location: Lafayette, LA
Expertise: I live coffee

Espresso: La Spaziale Mini Vivaldi II
Grinder: Baratza Vario and Preciso
Vac Pot: Bodum Santos, Yama 5-cup
Drip: Chemex, Kone 3, Kalita Wave,...
Roaster: Hottop B, Behmor 1600
Posted Mon Jan 7, 2013, 5:12pm
Subject: Re: Channeling on Mini Vivaldi S1?
 

Thanks for all the tips guys. All of my shots have been delicious..even when dialing in a new bean. Stream is usually dead center with no early blonding. So I guess I'll stop worrying about the holes.

This is my first machine and first time pulling shots, so I was expecting a lot of bad shots and problems before making good espresso. Either the machine is just that great, or I'm just that lucky/talented. :p
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zedex
Senior Member


Joined: 31 Jan 2010
Posts: 129
Location: B.C Canada
Expertise: I love coffee

Espresso: Spaz v2
Grinder: vario
Posted Mon Jan 7, 2013, 6:42pm
Subject: Re: Channeling on Mini Vivaldi S1?
 

From what I remember from my time with the S1VII(The plumbed in version), thats normal.  At least for that machine.


Let me just say, if you're expecting pucks that look like hockey pucks and can be picked up and handled, you will almost never get that with the Vivaldi.  

Thats odd. All i ever get with my v2 is perfect pucks. When my beans get old i start getting wet pucks but that is rare. Now if you wanna talk silvia, that thing only gives you wet pucks.
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cuznvin
Senior Member


Joined: 6 Oct 2011
Posts: 656
Location: NY
Expertise: I love coffee

Espresso: La Spaziale Mini Vivaldi II
Grinder: MACAP M4 Stepless /Baratza...
Drip: YouBrew
Posted Thu Aug 15, 2013, 3:36pm
Subject: Re: Channeling on Mini Vivaldi S1?
 

EvanOz85 Said:

Thanks for all the tips guys. All of my shots have been delicious..even when dialing in a new bean. Stream is usually dead center with no early blonding. So I guess I'll stop worrying about the holes.

This is my first machine and first time pulling shots, so I was expecting a lot of bad shots and problems before making good espresso. Either the machine is just that great, or I'm just that lucky/talented. :p

Posted January 7, 2013 link

What kind of coffee are you using? Trying to dial in my machine now. Using lovejoy from Clive but not having such great luck.. Are you using a triple basket in the bottomless?
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