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Baratza sette 270Wi review

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  • Acmack
    replied
    Originally posted by robusto View Post
    Probably too early for an update, so let's call this a progress report...


    Yesterday I tweaked the the setting a little towards the fine side. You are supposed to ensure there are no beans or partly ground beans in the burrs when doing this because they offer resistance, but I forgot.

    So I removed the burrs to remove any remnants of the week-old Behmor-roasted Brazilian pulped naturals.

    The burrs, as on the first day, come out readily enough. But putting them back in -- what a monstrous task that had me one step away from returning this machine.

    According to dowloaded instructions and Youtube videos Baratza support makes, you simply align the grind adjustment collar with a spot on the machine, push up firmly and twist clockwise to lock the burrs in.

    Then, continue turning to your desired grind level. Should take half a second.

    Well, I did that for TWO frustrating hours without success.

    Push firmly up, twist--- it's not the stuff of coffee-fuelled rocket science, now is it?

    The burrs lock in alright...but refuse to budge any further, remaining way, way off the coarse end of the scale.

    Funny that -- if you recall in my original post, that's the way the machine came in the first place, and only after I removed them and somehow luckily put them back in, that adjustment became possible.

    Over the course of two hours I became very familiar with this burr system. Mostly plastic, in three parts plus burr.

    The burr is held onto the hollow plastic carrier by one small bolt. Hollow to allow the grinds to drop through into the portafilter basket.

    A plastic tube slides over the carrier to direct grinds down. That assembly is then pushed into the adjusting collar -- the thing that is refusing to turn once I push up firmly.

    Baratza support's youtube video: https://www.youtube.com/watch?v=7sBpJcsF7-4

    Pushed, prodded, removed, cleaned, re-cleaned, back to youtube, removed, replaced...rinse and repeated that a hundred times and deduced that despite appearing to seat where where they could go no more, all three bits had to go further into the far reaches of the contraption.

    This was confirmed to me after a few goes at putting in the stubborn adjustment collar without the burr or carrier. It locked twisted and turned then, didn't it.

    So, with gentle brute force--after all it is plastic we are dealing with here--I pushed that final hair's breadth which makes all the difference between push/twist success, and push/twist and shout.

    Unfortunately I've run out of degassed beans and only have some I roasted on Friday.

    This morning I dialled up 20 grams, pushed play and out they came--or should I say splattered-- in omni directions....a substantial amount on the bench, on the grounds catcher, on the arms which hold the portafilter.

    Heck, some even made their way inside the the portafilter basket!

    Obviously that's something which has to be addressed by my inventiveness.....

    On the big Grimac coffee machine, the grind appeared to have all the hallmarks of a gusher --- and a very pale one at that.

    But the extraction managed to nonetheless take a reasonable 25 seconds.

    Awful, awful taste. But in hope and optimism, I put that down to the freshness of the ungassed beans, rather than the unthinkable alternative: a $626 future paper weight.
    I found grinds stuck in the top assembly between the outer but and it’s plastic carrier were the problem. You need a thin paper clip to clean around the outside of the bur then it goes all the way up easily. I think it’s on their website faq also.

    Leave a comment:


  • Cjogo
    replied
    Originally posted by robusto View Post
    Probably too early for an update, so let's call this a progress report...


    Yesterday I tweaked the the setting a little towards the fine side. You are supposed to ensure there are no beans or partly ground beans in the burrs when doing this because they offer resistance, but I forgot.

    So I removed the burrs to remove any remnants of the week-old Behmor-roasted Brazilian pulped naturals.

    The burrs, as on the first day, come out readily enough. But putting them back in -- what a monstrous task that had me one step away from returning this machine.

    According to dowloaded instructions and Youtube videos Baratza support makes, you simply align the grind adjustment collar with a spot on the machine, push up firmly and twist clockwise to lock the burrs in.

    Then, continue turning to your desired grind level. Should take half a second.

    Well, I did that for TWO frustrating hours without success.

    Push firmly up, twist--- it's not the stuff of coffee-fuelled rocket science, now is it?

    The burrs lock in alright...but refuse to budge any further, remaining way, way off the coarse end of the scale.

    Funny that -- if you recall in my original post, that's the way the machine came in the first place, and only after I removed them and somehow luckily put them back in, that adjustment became possible.

    Over the course of two hours I became very familiar with this burr system. Mostly plastic, in three parts plus burr.

    The burr is held onto the hollow plastic carrier by one small bolt. Hollow to allow the grinds to drop through into the portafilter basket.

    A plastic tube slides over the carrier to direct grinds down. That assembly is then pushed into the adjusting collar -- the thing that is refusing to turn once I push up firmly.

    Baratza support's youtube video: https://www.youtube.com/watch?v=7sBpJcsF7-4

    Pushed, prodded, removed, cleaned, re-cleaned, back to youtube, removed, replaced...rinse and repeated that a hundred times and deduced that despite appearing to seat where where they could go no more, all three bits had to go further into the far reaches of the contraption.

    This was confirmed to me after a few goes at putting in the stubborn adjustment collar without the burr or carrier. It locked twisted and turned then, didn't it.

    So, with gentle brute force--after all it is plastic we are dealing with here--I pushed that final hair's breadth which makes all the difference between push/twist success, and push/twist and shout.

    Unfortunately I've run out of degassed beans and only have some I roasted on Friday.

    This morning I dialled up 20 grams, pushed play and out they came--or should I say splattered-- in omni directions....a substantial amount on the bench, on the grounds catcher, on the arms which hold the portafilter.

    Heck, some even made their way inside the the portafilter basket!

    Obviously that's something which has to be addressed by my inventiveness.....

    On the big Grimac coffee machine, the grind appeared to have all the hallmarks of a gusher --- and a very pale one at that.

    But the extraction managed to nonetheless take a reasonable 25 seconds.

    Awful, awful taste. But in hope and optimism, I put that down to the freshness of the ungassed beans, rather than the unthinkable alternative: a $626 future paper weight.

    My exact experience! Unfortunately cannot live with noise, poor build quality, Burr wobble, misalignments, spillages, reassembly issues Goodbye sette 270 wi! Good post BTW. Shame I missed this post before purchasing! Would not have bothered!

    Leave a comment:


  • artman
    replied
    Interesting the i has auto correcting/learning weight measuring. The normal 270w version always doses within 0.1g and often is dead on.

    Cheers

    Leave a comment:


  • ovonate
    replied
    Could anyone comment on how "noisy" this grinder is, relative to a Rancilio Rocky doserless?

    Leave a comment:


  • OzDJ
    replied
    Originally posted by Erimus View Post
    ^^^
    Sounds like an advert for EBay.
    Hahahahahaha

    DJ

    Leave a comment:


  • Erimus
    replied
    ^^^

    Sounds like an advert for EBay.

    Leave a comment:


  • OzDJ
    replied
    My 270WI arrived earlier this week. Made use of a 15% off eBay coupon to get it for $567.50 delivered.

    Only put ~300g throught it so far, but first impressions are VERY positive:

    - Weighted dosing is remarkably precise once (checked against Acaia Lunar)
    - Getting the grind dialled-in for my machines has been dead simple
    - All of the grinds are landing in the basket
    - The auto-correcting ("AI"...derp) dosing is like magic.
    - It's fast!
    - Stable and unobtrusive on the bench
    - VERY high WAF

    Only downside, really, is that looks/feels a little cheap. But it's *half* what I originally paid for my Macap M4D so I wasn't expecting the build of an Audi for the price of a Kia.


    DJ

    Leave a comment:


  • robusto
    replied
    338...haha, a tough one!��
    The fault, dear Brutus, is not in ourselves but in the assembly done by others....

    In my new house the power kept going off intermittently. Finally I located the problem to loose wiring at the fuse box.

    My central heater blower started making a racket...Located the problem to a loose bolt which secures the blower to the fan armature so that it spun off balance.
    Fascia boards on my house rotted: Original painter used one lousy finish coat and no primer. Wooden window sills rotted: bricklayer hadn't left any clearance between his brick sills and the window so the wood curled up and retained rainwater...

    Yes, I am forever having to diagnose and undo the sloppy work that people with supposedly better skills than me make my life...interesting.

    Leave a comment:


  • 338
    replied
    Originally posted by robusto View Post
    Limited mechanical aptitude? Mois? Err...hardly.

    FYI I've rebuilt car engines, have done my own servicing on my "fleet" of cars for decades, fix broken appliances -mechanical or electrical, am a darned good wood worker, metal worker, boat rebuilder, draughtsman, house extender; disassembled, repaired and cleaned my commercial Grimac coffee machine, taken apart and reassembled my commercial Cunill grinder upteen times, added a PID to my old Silvia ...etc etc

    In short, the ultimate handyman. (But gee, gosh golly, I'm far too modest and bashful to say so)
    OK Robusto, we can see you can do the easy stuff, but have you ever tackled anything really challenging like change a 270Wi lower burr carrier!


    Nice review, Thanks

    Leave a comment:


  • robusto
    replied
    Originally posted by Jackster View Post
    The lower burr carrier is no where near as hard to install as described. Perhaps the poster has limited mechanical aptitude, in any way, he is gaining it now!
    Limited mechanical aptitude? Mois? Err...hardly.

    FYI I've rebuilt car engines, have done my own servicing on my "fleet" of cars for decades, fix broken appliances -mechanical or electrical, am a darned good wood worker, metal worker, boat rebuilder, draughtsman, house extender; disassembled, repaired and cleaned my commercial Grimac coffee machine, taken apart and reassembled my commercial Cunill grinder upteen times, added a PID to my old Silvia ...etc etc

    In short, the ultimate handyman. (But gee, gosh golly, I'm far too modest and bashful to say so)

    Leave a comment:


  • Jackster
    replied
    I kept maybe 100g beans in the hopper. Grind my dose.
    Then invert the whole machine to get the beans back into the hopper, shut the hopper trap. Revert machine, Grind the remaining beans caught in the burrs, clean the 6 little holes shown in the post above, remove hopper to the pantry for next time.
    I found the 6 holes would retain grinds and clog.

    Leave a comment:


  • Jackster
    replied
    On my 270w, I ground into a curry paste jar. This is the correct size to invert into a portafilter.
    The jar would sometimes slip, so I used a strip of tape around the arms and under the jar to support it. This provided a much more consistent dose as the vibrating unsupported portafilter arm would upset the scales.
    I like the idea of a paddlepop stick to probe out retained grounds! I used a cable tie with a bend in it.

    The unknown Allen key is used to undo the burr to install the shim/s.
    The lower burr carrier is no where near as hard to install as described. Perhaps the poster has limited mechanical aptitude, in any way, he is gaining it now!

    Leave a comment:


  • robusto
    replied
    Yes, sorry, "retention" came to me this morning...
    Baratza claims this is one of the good features about the design, because the bean hopper, burrs and portafilter are all in vertical alignment. Gravity does its part, and the ferocity of spinning burrs does its part, pushing the grinds straight down into the portafilter basket or other catcher. (That ferocity though, also causes the splatter.)

    I haven't weighed the amount left behind, but it is minimal. The pictures show the removed burr assembly and you can see daylight where the grinds pass through.

    The potential bigger issue is that as the mound of ground beans heaps up above the basket, they bridge the gap between basket top and burrs. Something to work on--except I keep running out of degassed beans with which to experiment.

    The double decker attachment may not be the answer because there is barely sufficient clearance between the portafilter spouts and grinder base.
    Attached Files

    Leave a comment:


  • beensean
    replied
    FWIW I have a small flat wooden stick with straight end (formerly supporting a Magnum, now cut and sanded to coffee-cleaning perfection) with which I scrape out excess grounds from the Rocky as part of the current dose. There will be some left in the burrs; less of a problem in that I have reduced the proportion of old grounds. Pending a new grinder, I let it go rather than throwing a little away each day.

    Leave a comment:


  • WarrenK
    replied
    Originally posted by Lyrebird View Post
    I thought that was an interesting question so I just removed the burr assembly, brushed everything out and ran it through a #10 (coarse) grading sieve to separate out the coffee that hadn't yet made it into the burrs.

    Retained fines came to 2.4 g.

    That's only one data point but visually it looked like the amount that I usually see when I knock out the grinder (when I'm trialling something or changing beans for instance).
    Maybe it would be a good practice with all grinders to throw away the first couple of seconds worth for the first grind of the day? Have never thought of that issue before.

    Leave a comment:

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