Awe, c'mon. Not THAT bad an idea! I can see some pressure profiling opportunities in it like no other. It would actually be simpler than you may think to setup. I could go anywhere from real simple on the controls and dial in the dose and grind to a good shot at a consistent 25 sec. pull- to having complete computerized control over the pressure on the fly. I may just have to keep my eyes out for a lever that would support the motor assy.
Sorry to be so OT but this really has me thinking! Anyways got an offer in on a house and trying to keep my mind off of it ;>)
Well, I have a rotator cuff issue with my right arm, and if it aches too much, I just pull with mostly my left, or do a 2 hand pull. However, my Strega weighs tons more than your La Pavoni. You have a fine lever there, and +1 for getting the new burrset for your grinder. However, if you're having pain, I'd look for a nice pre-owned HX machine, like a Quick Mill Anita, etc. Machines like that can be had for less than 1 k, in very good condition.
Posted Sun Jun 1, 2014, 10:22pm Subject: Re: To old to pull?
I guess it's not an entirely unique idea then, what I'm picturing in my head is a much simpler design though. I was thinking of something mounted on a larger machine- but now that you mention it there may be a way to mount something with the grouphead mounts on a La Pavoni. I've got one I've been meaning to finish assembling, I think I need to ponder on this for awhile. I think I'll keep a lookout for LP's sold for parts though, I may want to chop up a couple of group heads experimenting.
Not trying to cut you out of the loop...LOL, just that tinkering time on my part would be the real first step. If I come up with anything worthwhile I'll let you know, I really do think there could be something to this!
Posted Thu Jun 5, 2014, 2:24am Subject: Re: To old to pull?
So my thinking so far and a bit of chatting with co-workers has got me contemplating that a pressure thermistor on the piston and a current monitor/regulator on the motor would be pretty easy to setup. I'm going to do some poking around this weekend (Mcmaster-Carr and such) and see what I might come up with for a motor/gearbox that would fit the bill.
The numbers do NOT correspond from machine to machine -- they only indicate relative grind size (i.e.: "0" is finer than "1," which is finer than "2" . . . on your machine; but a "1" on your machine will not be the same as a "1" on someone else's).
Jaypavoni Senior Member Joined: 30 May 2014 Posts: 8 Location: usa Expertise: Professional
Posted Tue Jun 17, 2014, 2:05pm Subject: Re: To old to pull?
its not bottoming out, it is on the finest it can get, I never got new burrs. I just cleaned up the grinder, actually did not do much but look in and spin it with a knife and put back to gather and it suddenly works now and the machine pulls perfect!
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 8,194 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Vene. A1, La Cimbali M32 Grinder: Azkoyen Capriccio, Major Vac Pot: 40s era Silex Drip: Msl. Com. brewers Roaster: gave it a try, decided no
Posted Mon Jun 23, 2014, 7:12am Subject: Re: To old to pull?
So, in reference to your first post, you have had the GRINDER 30 years and never changed the burrs? It is due and perhaps a little overdue for burrs, hey just an opinion here :P NS makes a good grinder but even their grinders need to be cleaned, often. The oils tend to gum up things and then go rancid affecting the flavor of the drink. I had an MDX for a while, good grinder and I like the adjustment system more than Mazzer SJ (I have had several) but in the cup, they were about the same.
In real life, my name is Wayne P. Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!
Feed the newbs, starve the trolls and above all enjoy what you drink!
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