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Need help understanding Faemina lever technique

Postby mondovino on Mon Nov 07, 2011 9:28 pm

My rebuilt Faemina is on its way home from OE, and I'd like a little assistance with lever shot-pulling specifically for the Faemina. One question specifically that I'd like addressed is how mechanically does the length of time that you hold the lever down affect the pull, and what is a good starting point in seconds to start from? Anyone with experience using a Faemina that has general advise would be greatly appreciated.
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Postby mondovino on Mon Nov 07, 2011 10:09 pm

I believe that Doug of OE said that foaming milk with a Faemina just overheats the group faster; for cappuccinos an alternate method of foaming the milk will keep the temp down for making the espresso correctly instead of the foamed milk.
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Postby mondovino on Wed Nov 09, 2011 9:58 am

No Faemina users out there who want to help me???
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Postby Bluecold on Wed Nov 09, 2011 10:16 am

Well, I haven't got a Faemina, but the Faemina was designed by the same person that designed my La Peppina, so I feel i can still comment (well... sorta).
I feel a long preinfusion decreases the flowrate with a same dose and grind. So you can use a coarser grind with the same flowrate if you use a long preinfusion. Some coffees respond really well to that. Only way to find out is try. I usually use a preinfusion of a few seconds. I don't feel that preinfusion timing needs to be precise. 3 or 5 seconds doesn't matter that much. 3 or 10 seconds does.
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Postby mondovino on Wed Nov 09, 2011 10:41 am

Bluecold,
Thanks for the response. I am new with a quality lever machine, so please bear with me. Pre-infusion is wetting the puck prior to extracting? to do this you just allow a little water into the pressure chamber by moving the lever slightly?
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Postby Bluecold on Wed Nov 09, 2011 11:22 am

Nope preinfusion happens when you pull down the lever completely and hold it there. You could also assist the preinfusion by letting go of the lever a bit and then pull down again, called the 'fellini move'. If you do a search here on Fellini move, you'll find a wealth of information. Also Jim Schulman's Strega review offers a lot of insight on preinfusion and pressure profiling.

http://worldwide.espacenet.com/publicat...cale=en_EP
^^
Faemina patent, if you want to know more about your machine.
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Postby compliance on Wed Nov 09, 2011 1:08 pm

Not many people here own Faeminas sadly, me included :(. Gorgeous machine though. Maybe Doug has some tips learned on the Faeminas that have gone through OE. In any case, please keep us posted on your experience with it. Maybe you will become the expert! :lol:
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Postby kitt on Wed Nov 09, 2011 1:55 pm

Bluecold wrote:Nope preinfusion happens when you pull down the lever completely and hold it there


The Faemina has a unique 2 part piston design, as soon as you start pulling the lever, water flow begins.By pulling down on the lever, you release pressure on the lower half of the piston, and water enters the puck for pre-infusion.Dougs OE video of the Faemina explains it nicely and shows it in action
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Postby mondovino on Wed Nov 09, 2011 9:23 pm

OE's video doesn't show the lever during the pull and he doesn't offer any discussion regarding pre-infusion. All I can tell is that he holds the lever down for about 10 seconds and then releases it.
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Postby orphanespresso on Thu Nov 10, 2011 5:29 pm

Like many lever machine fanatics, my first lever was a La Pav EPC8 which lays a good groundwork for temperature management, pre infusion, dosing, and pull performance et al and my first spring lever was a La Peppina, which removes the temperature management from the equation but aside from the actual piston movement,all the other important factors remain...the operator still must use skill, a good grinder, and good beans for a decent shot as well as have some overall understanding of espresso in general.

As one's first espresso machine, let alone lever, the Faemina presents a challenge equal to any...particularly in the temperature management area. As with all machines there is no set method to pull the perfect shot, no absolute number of seconds for pre infusion and a lot of trial and error learning can be involved. Thanks to forums such as this, at least one can hope for a simpler path to learning than the classic Italian instruction manual that generally states "fill basket with coffee. For one cup pull lever once, for two cups pull lever twice". But still there is a lot to figure out on your own though the general rules of thumb for making espresso apply to the Faemina.
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