Mine is set to 1.45. I love it. b Sent from my 8-track deck
On Mar 27, 2012, at 14:56, guido <[email protected]> wrote: > hello judge, > > this is very interesting indeed. so it looks like this very long pre-infusion > is part of the brewtus iv vibrational pump design, unlike any other brewtus. > > i feel relieved that this is normal. > > i wonder why they did it, only for the iv vibrational? > > also thank you for your additional data. do you think the machine performs > better with larger dosage, or do you just like to updose? > > i did read earlier that you are enthusiast about this machine. you don't > experience harshness in your cup? > > and by the way, now that this is cleared up, i have one other question about > this machine. the steam boiler of mine never goes above 1.0 bar, it actually > stops around 0.95. does your machine cut off at the same point, or does it go > to 1.2 like all the other brewtus machines? > > thank you very much, > guido. > >> Ok my results. An this is with the rubber plug that came with the >> machine not a blind filter. Unit is set to 10 bar. Done both empty and >> full of water. Sorry no blind filter, So I hope this helps. >> >> Single basket 12.6 sec .(empty) 11.6 sec. (full) >> Double basket 14.3 sec. (empty) 11.6 sec. (full) >> VST 18g basket 14.5 sec. (empty) 12.0 sec. (full) >> Triple basket 17.7 sec. (empty) 12.3 sec. (full) Note: could >> never get triple basket to not leak a little with rubber plug so doubt >> that is any use for times. >> >> When I make espresso, I always use the VST basket with 18 grams of >> coffee, I grind very fine, with a very light tamp. Around 10 lbs. I >> use a naked portafilter and I see the beads of coffee start around >> 8-11 secs. I get my 2 oz. at around 8.5 bar in about 28-30 secs. >> >> An on a final note over pre infusion, take a look at this video. >> >> http://www.youtube.com/watch?v=K93RLmGkps4 >> >> Good luck >> >> John >> >> >> On Mar 24, 2:18 am, guido<[email protected]> wrote: >>> hello, >>> >>> i noticed something in another thread, while trying to find out what is >>> wrong with my brewtus (or me, operating it) and i noticed something >>> peculiar. >>> >>> my brewtus iv vibrational pump machine is very slow in building up pressure. >>> >>> i watched a number of youtube videos of people making espresso with the >>> brewtus, and the coffee always starts dripping within 4-8 seconds. >>> >>> i measured my machine, with a blind filter. it takes 11 second for the >>> pump to reach full pressure (about 9.5 bar with the blind portafilter). >>> that's about the same time when the espresso starts flowing with coffee >>> in the filter. >>> >>> what i would like is for other people, with the same machine (brewtus iv >>> vibrational pump) to repeat this test with the blind filter for me and >>> give me the resulting time. this could help me a lot. >>> >>> i could be on the wrong trail, or i could be dealing with a faulty pump. >>> the answer is hopefully in your replies. >>> >>> another thing i would like to know, is there any way on this machine to >>> shorten pre-infusion time? i've learned a bit about pre-infusion from my >>> la pavoni manual lever, and 8-11 seconds seems very long time. with my >>> lever machine, about 5-8 seconds would be right. most other machines >>> seem to take this same amount of time for the first drops to appear. >>> >>> this could be the answer to a problem i have been struggling with for >>> months. or not. it depends on your answers. >>> >>> so, please, be so kind and test it for me. i would appreciate it very, >>> very much! >>> >>> thanks and have a great weekend everybody, >>> guido. >> > > -- > You received this message because you are subscribed to the Google Groups > "Brewtus" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/brewtus?hl=en. > -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/brewtus?hl=en.
