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Introducing the La Marzocco GS3
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MarkPrince
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MarkPrince
Joined: 19 Dec 2001
Posts: 5,523
Location: Vancouver, BC
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Espresso: KvdW Speedster
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Vac Pot: A bit too many
Drip: Clive Coffee Drip Stand
Roaster: Hario Glass Retro Roaster
Posted Thu Nov 3, 2005, 4:16pm
Subject: Introducing the La Marzocco GS3
 

It's here folks, and it has a (tentative) name. The La Marzocco GS3.

More photos and notes to follow.

Mark

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MarkPrince
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MarkPrince
Joined: 19 Dec 2001
Posts: 5,523
Location: Vancouver, BC
Expertise: Professional

Espresso: KvdW Speedster
Grinder: Compak K10 WBC
Vac Pot: A bit too many
Drip: Clive Coffee Drip Stand
Roaster: Hario Glass Retro Roaster
Posted Thu Nov 3, 2005, 4:18pm
Subject: Re: Introducing the La Marzocco GS3
 

A few more photos to whet your appetite... here's the side profile of the machine with it's billeted aluminum side panels, anodized, then sandblasted with the logo.

Check out the steam "knob". Action's sweet, and allows for one handed steaming.

Mark

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malachi
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malachi
Joined: 5 May 2002
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Location: SFCA
Expertise: I love coffee

Espresso: Monster Mia (for now)_
Grinder: Monster Cimballi Junior
Vac Pot: Not any more
Drip: never
Roaster: Ecco, Stumptown, Intelli,...
Posted Thu Nov 3, 2005, 4:29pm
Subject: Re: Introducing the La Marzocco GS3
 

Auto? If so, any details on the flowmeter?
Gicleur? Pre-infusion?
Hybrid-style group or GB5 style?
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hifi_guy
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hifi_guy
Joined: 4 Apr 2004
Posts: 268
Location: Germany
Expertise: I love coffee

Espresso: Simonelli Oscar & Personal V
Grinder: Simonelli MDE, Mazzer Kony...
Vac Pot: none
Drip: Melitta Cone, now unused
Posted Thu Nov 3, 2005, 4:31pm
Subject: Re: Introducing the La Marzocco GS3
 

consider my appetite whetted

I want one real bad

too bad it's probably out of my price range
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MarkPrince
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MarkPrince
Joined: 19 Dec 2001
Posts: 5,523
Location: Vancouver, BC
Expertise: Professional

Espresso: KvdW Speedster
Grinder: Compak K10 WBC
Vac Pot: A bit too many
Drip: Clive Coffee Drip Stand
Roaster: Hario Glass Retro Roaster
Posted Thu Nov 3, 2005, 4:33pm
Subject: Re: Introducing the La Marzocco GS3
 

Some very quick details.

First and foremost, this is a preproduction, "experimental" machine that has some additional testing features and other things that may or may not make to the production unit. Where I know it's preproduction / testing, I will state that.

- cool touch wand and hot water pipes.
- Full GB5 electronics package, PID controlled, controllable through the display panel.
- Both steam and brew boiler are PID controlled (experimental). Steam boiler is PID'ed to test if it aids the machine in its economy mode.
- Economy mode and full mode. But on this machine, economy mode runs it at 10AMP draw, brew boiler priority; full mode is 14amp, both boilers working all time.
- Controllable temps to 0.3F via PID / control panel (experimental - may go down to 0.1F control)
- Steam boiler is thermostat controlled, again through control panel.
- Auto on / off ability (timer set)
- 5 litre steam boiler, 3 litre brew boiler.
- Paddle wheel version is still very much on the front page plans - they may sell two models down the road.
- External aesthetics set for the most part, but the drip tray design may change.
- mix water hot water tap controllable through physical mix AND electronics package. In 'lectronics, turn mixture on . off. Physical, side machine access lets you dial the mixture hotter or colder (experimental - may move to easier access for adjusting mixture)
- guages same as used on GB5.


Gawd, there's more, but I want to get back and play.

Mark

 
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MarkPrince
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MarkPrince
Joined: 19 Dec 2001
Posts: 5,523
Location: Vancouver, BC
Expertise: Professional

Espresso: KvdW Speedster
Grinder: Compak K10 WBC
Vac Pot: A bit too many
Drip: Clive Coffee Drip Stand
Roaster: Hario Glass Retro Roaster
Posted Thu Nov 3, 2005, 4:35pm
Subject: Re: Introducing the La Marzocco GS3
 

malachi Said:

Auto? If so, any details on the flowmeter?
Gicleur? Pre-infusion?
Hybrid-style group or GB5 style?

Posted November 3, 2005 link

It's automatic with all the auto controls. Hot water tap is also programmable volume.

Flowmeter details are NDA'ed.

Gicleur, didn't ask, assume so.

Pre-infusion is controllable through panel, identical to gb5 and fb80.

I didn't ask that kind of group detail, but I believe it's a polished GB5 style since there's valves on the neck that my LM Linea didn't have.

Mark

 
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DavidMLewis
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Joined: 2 Jan 2002
Posts: 88
Location: Santa Cruz, CA, USA
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Espresso: Reneka Techno
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Roaster: Hottop, HWP
Posted Thu Nov 3, 2005, 4:57pm
Subject: Re: Introducing the La Marzocco GS3
 

malachi Said:

Auto? If so, any details on the flowmeter?

Posted November 3, 2005 link

Given that there's only one group, they'd almost certainly put the flowmeter ahead of the boiler, since its place on the multi-group Linea has caused so much trouble. In theory, it can be anyplace after the last branch point in the system. As long as there's only one group per boiler, there's no reason not to put it where it's not subjected to the heat, and won't cool the water. What I'm interested in is whether they solved the first-shot-from-idle problem. I'd expect so, but I'd sure like to know for certain.

Best,
   David
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itinerant
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Joined: 1 Sep 2005
Posts: 901
Location: Vancouver
Expertise: I live coffee

Posted Thu Nov 3, 2005, 5:08pm
Subject: Re: Introducing the La Marzocco GS3
 

Sweet. When you exceed your daily caffeine allowance, come back & tell us some more.


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malachi
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malachi
Joined: 5 May 2002
Posts: 1,761
Location: SFCA
Expertise: I love coffee

Espresso: Monster Mia (for now)_
Grinder: Monster Cimballi Junior
Vac Pot: Not any more
Drip: never
Roaster: Ecco, Stumptown, Intelli,...
Posted Thu Nov 3, 2005, 5:16pm
Subject: Re: Introducing the La Marzocco GS3
 

MarkPrince Said:

Pre-infusion is controllable through panel, identical to gb5 and fb80.

Posted November 3, 2005 link

So pump-pulse pre-infusion?
Does it work in semi-auto mode also?
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MarkPrince
Moderator
MarkPrince
Joined: 19 Dec 2001
Posts: 5,523
Location: Vancouver, BC
Expertise: Professional

Espresso: KvdW Speedster
Grinder: Compak K10 WBC
Vac Pot: A bit too many
Drip: Clive Coffee Drip Stand
Roaster: Hario Glass Retro Roaster
Posted Thu Nov 3, 2005, 5:55pm
Subject: Re: Introducing the La Marzocco GS3
 

malachi Said:

So pump-pulse pre-infusion?
Does it work in semi-auto mode also?

Posted November 3, 2005 link

pump pulse, but very brief (though we talked extensively about how the paddle wheel's preinfusion will be natural); it's because the feed on this group is at the bottom of the group - natural convection preinfusion would not fill the filter basket; on the paddle, it's design is different and will naturally saturate the group.

Working in semi auto mode I don't know yet, but can check.

I personally don't like most preinfusion (lever, e61 and paddle wheel preinfusion excepted). Is there a reason to use it Chris?

Mark

 
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