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Atom 60E Design and ACE

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  • lancruiser
    replied
    crazyhakins , you might be interested in this post

    https://coffeesnobs.com.au/forum/equ...chute-v1-vs-v2

    Leave a comment:


  • crazyhakins
    replied
    Can anyone confirm whether the v2 chute reduces the chances of blockage? Mine rarely blocks but when it does, it is a royal pain in the ****, so if the v2 is any improvement I’ll get one. Just wondering if someone has installed the v2 and have anything to report?

    Leave a comment:


  • wattgn
    commented on 's reply
    I finally decided on a Mignon Specialita...my second one. I've ordered it and sold the Atom already. The Atom is a great grinder but it is just the wrong balance of attributes and issues for my liking.

    The Specialita is compact and simple with very little retention and predictable dosing, even single dosing works well on it. I think being smaller is an advantage for home use.

  • wattgn
    replied
    Originally posted by lancruiser View Post
    For what its worth, I don't normally remove the burrs and LCD panel when cleaning. I use a blower or canned air on the entrance to the chute from the grind chamber. This will remove most, if not all, of the stray grinds from the chute. So only the allen key and philips screwdriver will suffice.
    I have found that you need to be careful with compressed air. There are openings into the body of the grinder from the grind chamber and using compressed air will blow coffee into the motor and internals. It is another thing that concerns me with this design, coffee can get into the electronics and the motor. The chassis even has an opening where the portafilter fits into it.

    Leave a comment:


  • lancruiser
    replied
    For what its worth, I don't normally remove the burrs and LCD panel when cleaning. I use a blower or canned air on the entrance to the chute from the grind chamber. This will remove most, if not all, of the stray grinds from the chute. So only the allen key and philips screwdriver will suffice.

    Leave a comment:


  • wattgn
    replied
    Originally posted by lancruiser View Post

    Seems pretty severe but I cannot say I have experienced that. I assume you are grinding for espresso and not something like Turkish coffee.

    Are the beans dark and/or oily? Have you try different coffee beans?
    It was my fault it blocked this time as I put my hand at the exit of the chute, not the grinder's fault but I have had it block changing grind, only once I think. It is just once it is blocked, it stays that way until the entire path from the chute back into the grinder burrs is cleared. It also takes four tools and some time to unblock it. It is time consuming. I guess it happens infrequently but I've got a price for the Mignon Specialita and I will see if I can sell this one.

    Leave a comment:


  • lancruiser
    replied
    Originally posted by wattgn View Post
    It really blocks when it blocks too right down into the chute and back into the machine and it all has to be removed fully.
    Seems pretty severe but I cannot say I have experienced that. I assume you are grinding for espresso and not something like Turkish coffee.

    Are the beans dark and/or oily? Have you try different coffee beans?

    Leave a comment:


  • wattgn
    replied
    I'm seriously thinking of tossing this and going back to the Mignon Specialita...buying another one.

    This is a prick to clean and when it blocks, it is a 20 minute job to strip it and clean it and it requires four tools to do it. It really blocks when it blocks too right down into the chute and back into the machine and it all has to be removed fully.

    The long snout and narrow dimensions seem to be bad design. I'm not sure it is worth it. The Specialita is smaller and a shorter grind path. A Mazzer Mini is just much more simple but not as quiet.

    Leave a comment:


  • wattgn
    replied
    I have now spent several weeks on the Atom, now that the Robur is gone.

    I think some of my initial criticism of the design is probably unfair. Comparing this almost silent grinder to a standard grinder is not fair. It must have a casing and soundproofing plus a spring mounted motor to get this kind of smoothness and quietness. The downside is, yup, more complex and more tools needed to take it apart.

    The dosing has been sorted and I think it is true that it does need a very small purge. I do two blips on manual and it seems to keep the dosing accurate. I also am using the standard hopper and I keep it filled about half way, above the cone.

    Overall a nice grinder that delivers a nice clump-free grind and does it quietly.

    Leave a comment:


  • wattgn
    replied
    When I first got the Atom I played with the timed dosing a lot. I could never rely on it to deliver exactly what I wanted into the portafilter, and in a way with the number of shots I do a day it’s an unreasonable expectation anyway. I just use the timer to get close, and then use scales to get me the rest of the way there.

    I have seen people comment on the design of the hopper, that it doesn’t allow gravity to feed beans into the grinder consistently. I don’t know, but it could be a factor in the variance.
    I have the 300g round hopper but I think the dosing is much the same with that.

    I got the Atom early this year then after a few months switched back to the Robur, which I have now sold, so getting back into learning about its eccentric ways. I guess all machines have their problems and peculiarities, it is a matter of adapting to the machine, else getting yet another one.

    I think that the Mignon Specialita is undoubtedly better for consistent dosing, courtesy of less retained grounds and a shorter grind path. It can also one dose grind and I have done this successfully as it doesn't popcorn the beans.

    Is it worth buying the Specialita...again. Probably not. I do like the Atom better in many ways.

    It definitely does the job and is very quiet. I found purging a bit does seem to give more consistency in dosing but as you say, maybe not worry too much and top up manually as needed.

    Leave a comment:


  • crazyhakins
    commented on 's reply
    When I first got the Atom I played with the timed dosing a lot. I could never rely on it to deliver exactly what I wanted into the portafilter, and in a way with the number of shots I do a day it’s an unreasonable expectation anyway. I just use the timer to get close, and then use scales to get me the rest of the way there.

    I have seen people comment on the design of the hopper, that it doesn’t allow gravity to feed beans into the grinder consistently. I don’t know, but it could be a factor in the variance.

  • wattgn
    replied
    I think crazyhakins may be right. It seems unless you do two shots in succession the grinder needs purging. I have never been a fan of purging but if you want reproducible weights, it seems to be necessary. I am not sure why as the variance is huge.

    The amount I purge is tiny but it might be a good idea. I thought I knew everything...still can't explain it.

    Leave a comment:


  • wattgn
    replied
    A Mini is designed with the burrs it has and it has 64mm burrs and a 250W motor. For comparison my Atom has 60mm burrs but a 400W motor. There are reasons the burrs are designed the way they are so it will make the grinder more prone to bogging down especially with finer or highly roasted grinds. It also presumes that there is a problem needing to be solved...I don't think there is, the speed is fine. Finally I think the effects on size distribution, quality are difficult to impossible to prove. The advantage does exist in the mind of the user that is 100% proved.

    There are plenty of cases it seems where people have no problems and some that do...overall an unsafe recommendation.

    On the other hand, it isn't a big deal if someone wants to experiment but I think pointless. Get a Super Jolly if that is what you want, it has Super Jolly burrs in it....with a 350W motor.
    Last edited by wattgn; 18 October 2020, 03:02 PM.

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  • roosterben
    commented on 's reply
    Err no, plenty of people of threads about it on home-barista improves speed and taste/particle distribution by all reports.

  • wattgn
    replied
    Originally posted by SanderP View Post
    My Mazzer mini type A grinds 18gm in 22sec.

    It is noisy but it's a low growl rather than a ear shattering screech.

    I've come to the mini late after a number of other options and while I initially thought of it as a stop gap I have no plans to sell it.

    Cheers
    ​​​​​​
    Good move keeping it I think. It is a timeless design and works for you.

    Putting Jolly blades in a Mini by the way is an almost universally panned idea. Don’t do it. The Mazzer is designed to work slowly and the 250 Watt motor is fine for the burrs it has.

    Leave a comment:

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