Why Discussing Grind Size Is More Complicated Than You Might Think | Coffee with April

[@richardherbert3519]

Very interesting video. Really looking forward to the next.

[@HwakJustin]

Thanks for affirming my initial assumptions that grind sizes were dependent on type of beans, not the grind setting.

[@RocketMan313]

Thank you for confirming my observations, albeit without the equipment you were using to determine particle size. Great video!

[@devenpatel3044]

Wooo! Great stuff!

[@danymeeuwissen5973]

I love where this series is going! Do you see the same general results when all of these samples are ground at a 'filter setting' and a 'espresso setting'? I can imagine some burrs/coffee combination give different particle distribution results as you go coarser or finer, or not?

[@nicholaspissare5874]

Lovely video as always. Would be curious to see what you could do with a Bentwood.

[@leivurjoensen190]

Right

[@matthewhoffman6868]

I’m interested in how the burrs effect the distribution of particles and thereby effect the brewed coffee. For example, I have had a Kafatek Flat grinder for a few years. Initially, it came with Mythos burrs, and recently I changed them to Kafatek’s own Shuriken LM burrs. The latter are more unimodal than the Mythos. I now find it easier to get good EY levels from light beans on my lever espresso machine.

[@vizzo7]

what about the size of the beans? does this no affect how the beans are grinded? waht about the density? african beans tend to be more dense? will you anlayze this also?

[@markburness5609]

The Lightells figures seem to be based on sieve intervals, but the 1400 shouldn't be there, as it's not in the x1.414 sequence of all the other sizes (it's the square root of the interval of all the others and creates an artificial hump at 1700). There can be nothing below the pan because it has no holes, so the 2% sits on top of the pan, following this logic the D50 is over 850, not 751um .(7% 1700+2%1400+25%1180)=34% on top of 1180 with only 16% supposedly between 1180 & 751um? They don't agree with your Ditting settings either, assuming your Ditting is calibrated.

[@Julumon.]

The partical shape also makes a difference i heard from Daniel Hofstetter. Some shapes extract more then others. I think grind size is really interesting , since so many people promote finer grind= super high extraction= better and say everything under 20% dont taste good (hoffmann)

[@13n1304]

But what does particle distribution and shape have to do with finer = more extraction? It's not like that's an untrue statement assuming you are comparing finer to coarser on the same grinder and burrs.

[@Julumon.]

@@13n1304 These are two different statements. And I would say that lower extractions often tastes better for me.

[@mikni4069]

Hoffmann roast noticeable darker then April, so his recommendation needs to be taken for his specific style and cannot be used universally, the same is the case with other who talk allot about high extraction such as Perger and Rao. None of them really roast Scandinavian light.

[@Julumon.]

@@mikni4069 square mile is super light . Also Darker Roast usually taste worse with higher extraction.

[@mikni4069]

@@Julumon. Unless SQM gone lighter I would not exactly call them super light, every single time I got from them the coffee was definitely noticeable darker roasted then the light “Scandinavian” roast style, personally I found them more medium light like all other light roasters in England.

[@Kyle900t]

How big of a deviation in the numer that the Lightells gives you with the same sample?

[@deathkid411]

I us a laser particle analyzer at work (coffee Roastery ), I have always wonder how consistent an optical analyzer can be?

[@IMNOTABARISTA]

Wondering the same thing

[@sterlingweston]

What does 'Pan' mean on the micron reading?

[@nternalPractice]

It sure would have been useful to see a summary chart so that one could visually see the range of values instead of just saying, at the end, that the was a broad range.

[@coffeewithapril]

You can find a breakdown of the results in the description of the video.

[@nternalPractice]

​@@coffeewithapril Sorry dude, I missed that 😊

[@threehanded8853]

Grind size is less important than flow control - kzbin.info/www/bejne/rJLPXn5jj8SMea8

[@Julumon.]

lol