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Discussions > Espresso > Q and A > diferences...  
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gmed
Senior Member


Joined: 28 May 2013
Posts: 4
Location: Davis
Expertise: I love coffee

Espresso: Rancilio Silva
Grinder: Barratza Vario
Posted Tue May 28, 2013, 7:28pm
Subject: diferences between home Gaggia and Rancilio
 

Hi
My name's Gil and this is my first posting. I've used Gaggia Carreza (discontinued) for 7years. I got pretty comfortable with it. I was able to get good shoots & good crema  on top even with less than top choice freshly roasted coffee beans. I just got a used Rancilio Silva in very good shape. after about a week, I still get weaker tasting espresso, lighter & less dense crema. I use the same beans, the same grinder (same setting) and same tamping pressure. Any clue/s to what I need to change, do differently? thanks!!
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fwtechwiz
Senior Member


Joined: 19 Feb 2010
Posts: 530
Location: Fort Wayne, IN
Expertise: I live coffee

Espresso: Gaggia Evolution
Grinder: Hario Skerton
Posted Wed May 29, 2013, 3:50am
Subject: Re: diferences between home Gaggia and Rancilio
 

From what I hear, Sylvia is much less forgiving than any Gaggia when it comes to getting the grind dialed in, even with the most forgiving bean.  
Just when you think you've got it right, she'll chew you up, spit you out and pour weak coffee on your head...
I would suggest first, make sure your brew pressure is set to about 10 bar static.  Weigh your dose, and be consistant.  If your espresso is watery and crema weak, grind finer until you choke the machine than back off just a bit.  Go for 25 seconds for a 1.5 to 2 oz pull.
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CMIN
Senior Member


Joined: 14 Jun 2012
Posts: 1,379
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Wed May 29, 2013, 5:38am
Subject: Re: diferences between home Gaggia and Rancilio
 

Different machines doesn't necessarily mean same grind settings just b/c it's an espresso machine, grind finer. But also the Silvia has an exposed screw in the group head, if you dose too much your puck will hit it causing fractured puck/under-extraction. How much are you dosing? And if you don't know, you need a digi scale that measures to .1g to check your dose. Silvia also has a wide temp band, so you need to temp surf it if not equipped with a PID. Check your OPV as well like mentioned, never know, may be out of wack.
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Burner0000
Senior Member


Joined: 28 Jul 2011
Posts: 1,083
Location: Cambridge, Ontario Canada
Expertise: Professional

Espresso: Rancilio Silvia, VFA Expres...
Grinder: Macap MX/VFA N1464/Kyocera...
Drip: Manual Drip, French Press
Roaster: Behmor 1600 / Sonofresco
Posted Wed May 29, 2013, 6:00am
Subject: Re: diferences between home Gaggia and Rancilio
 

CMIN Said:

Different machines doesn't necessarily mean same grind settings just b/c it's an espresso machine, grind finer. But also the Silvia has an exposed screw in the group head, if you dose too much your puck will hit it causing fractured puck/under-extraction. How much are you dosing? And if you don't know, you need a digi scale that measures to .1g to check your dose. Silvia also has a wide temp band, so you need to temp surf it if not equipped with a PID. Check your OPV as well like mentioned, never know, may be out of wack.

Posted May 29, 2013 link

Welcome to CG Gil!

I own the Silvia. The Silvia is forgiving but only to a certain point.  CMIN is right the group bolt if dose is to high fractures the puck and can cause  channeling.  Correct dose fixes this.  You can mod the group screen to get rid of that bolt.  

Heres a mod site to buy some schtuff. :P

Click
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takeshi
Senior Member
takeshi
Joined: 12 Oct 2002
Posts: 979
Location: Houston
Expertise: I live coffee

Espresso: Alex Duetto 3.0
Grinder: Super Jolly
Roaster: Amaya Roasting
Posted Wed May 29, 2013, 9:00am
Subject: Re: diferences between home Gaggia and Rancilio
 

gmed Said:

I use the same beans, the same grinder (same setting) and same tamping pressure.

Posted May 28, 2013 link

That's probably your problem.  You need to dial in your grinder for the Silvia.  What grinder are you using?  How much are you dosing?  How long are you pulling?  The more details the better for us to help you.
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gmed
Senior Member


Joined: 28 May 2013
Posts: 4
Location: Davis
Expertise: I love coffee

Espresso: Rancilio Silva
Grinder: Barratza Vario
Posted Wed May 29, 2013, 5:36pm
Subject: Re: diferences between home Gaggia and Rancilio
 

Thanks for responding! I use the Baratza Vario grinder. I don't think I'll be investing in a digital scale just to measure my dosing. I use the measuring scoop it's 2 leveled Tspoons. For the 2 shoots I pull 20-22 seconds. I've just ordered the screen with the flat screw. I did hate that feature and I can clearly see how it would mess up the brew. I'll try to adjust the grind although I can't believe I can go much finer without chocking the machine.
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gmed
Senior Member


Joined: 28 May 2013
Posts: 4
Location: Davis
Expertise: I love coffee

Espresso: Rancilio Silva
Grinder: Barratza Vario
Posted Wed May 29, 2013, 5:40pm
Subject: Re: diferences between home Gaggia and Rancilio
 

Thanks to all who responded. I think I only responded to Takeshi.
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CMIN
Senior Member


Joined: 14 Jun 2012
Posts: 1,379
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Wed May 29, 2013, 6:01pm
Subject: Re: diferences between home Gaggia and Rancilio
 

Trust me, get the scale, I used to try leveled scoops and then got a scale and realized how inaccurate they were.
Beans can be different sizes, density etc, especially in a blend. I got a digi scale for like 10 bucks on Amazon that measures to .1g, no issues with dosing since then lol.

You need an accurate amount on the Silva, your two scoops could be hitting the screw in the group causing poor extractions (common on the Silva). Silva doesn't like as high doses as other machines, think 15-16g was the limit for the stock double basket.

Even if you order the flat screw, you could be off .5g on a dose up or down and totally change the extraction making you try to figure out whats wrong with the grinder each time. Espresso is dose sensative.
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Burner0000
Senior Member


Joined: 28 Jul 2011
Posts: 1,083
Location: Cambridge, Ontario Canada
Expertise: Professional

Espresso: Rancilio Silvia, VFA Expres...
Grinder: Macap MX/VFA N1464/Kyocera...
Drip: Manual Drip, French Press
Roaster: Behmor 1600 / Sonofresco
Posted Thu May 30, 2013, 6:23am
Subject: Re: diferences between home Gaggia and Rancilio
 

CMIN Said:

Trust me, get the scale, I used to try leveled scoops and then got a scale and realized how inaccurate they were.
Beans can be different sizes, density etc, especially in a blend. I got a digi scale for like 10 bucks on Amazon that measures to .1g, no issues with dosing since then lol.

You need an accurate amount on the Silva, your two scoops could be hitting the screw in the group causing poor extractions (common on the Silva). Silva doesn't like as high doses as other machines, think 15-16g was the limit for the stock double basket.

Even if you order the flat screw, you could be off .5g on a dose up or down and totally change the extraction making you try to figure out whats wrong with the grinder each time. Espresso is dose sensative.

Posted May 29, 2013 link

++1!

I was scooping for the longest time and my shots were good but non consistant.  I would over dose a lot, close to 17g sometimes.  I ended up going and getting a scale.  Much better now. :)
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gmed
Senior Member


Joined: 28 May 2013
Posts: 4
Location: Davis
Expertise: I love coffee

Espresso: Rancilio Silva
Grinder: Barratza Vario
Posted Thu May 30, 2013, 4:39pm
Subject: Re: diferences between home Gaggia and Rancilio
 

OK I'm convinced. I've just ordered one. Changing the grind and dosing less, by eye, and since it looked like the puck wasn't fractured by the screw, I already  achieved  much better shoots. THANK YOU!
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