NobbyR Senior Member Joined: 10 Jul 2011 Posts: 1,611 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 Wed Aug 29, 2012, 10:57pm Subject: Modding the GS/3
This just goes to show that there's always room for improvement, even in high class machines: I recently read about a modification of the saturated GS/3 brew group by installing the La Strada MP Technology and Real Time Pressure system, allowing manual pressure profling. Has anyone experience with this mod?
(Click for larger image)
*** "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)
TonyVan Senior Member Joined: 24 May 2010 Posts: 269 Location: Pacific Northwest Expertise: I love coffee
Espresso: GS/3, La Pavoni Grinder: Macap M7K, Rocky Drip: Kone
Posted Thu Aug 30, 2012, 10:58pm Subject: Re: Modding the GS/3
I did this modification about two months ago and have nothing but good things to say about the results. It truly enables the GS/3 to be controlled more along the lines of a lever machine, and for those running off the reservoir (and thus no usable pre-infusion) it's doubly useful by bringing a great PI capability to your GS/3.
Not incidentally, it restores some value to your finesse and practice and skill with an otherwise "whatever-you-do-it-still-comes-out-great" machine. The physical pressure arc controlling 0-9 bar is pretty small, so it introduces the option to act just a little quirky if you choose. But you don't HAVE to choose - the post-mod GS/3 can be operated exactly as it was prior to the change, and with identical results if you're not in the mood to play.
NobbyR Senior Member Joined: 10 Jul 2011 Posts: 1,611 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 Thu Aug 30, 2012, 11:00pm Subject: Re: Modding the GS/3
I don't know if it can be done with the automatic version of an upgraded GS/3, but with the automatic La Strada you can run programmable pressure profiles.
*** "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)
Posted Fri Aug 31, 2012, 6:27am Subject: Re: Modding the GS/3
Hi Nobby,
It does appear to be a very interesting modification that is fully reversible if you buy a complete set of parts to perform the modification. At the moment i have not thought about modifying my own GS/3 MP, but who knows for the future.
Was it you who had that profiling device hooked up to the GS3? Could swear it was a vid of yours I came across on HB but can't find it now. Pretty sure it was a GS3 and there was this device with a knob that you (or somebody? lol) adjusted while the shot pulled. That was cool
There are others on this forum that have done the upgrade, and I hope we hear from them. My own experience has been mostly about an increase in the body and viscosity/mouth-feel and the additional concentration and focus of flavors. I wouldn't say that the actual flavors themselves changed, but you CAN take more control over the volume and balance of those flavors.
Regarding the version of the GS/3 this can apply to, I don't see how this mod could work without a paddle.
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