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How burr size affects coffee (lemmy.world)

submitted 3 days ago by dr_scientist@lemmy.world to c/coffee@lemmy.world

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I searched this, but got back a lot of AI slop, so like to hear what people's experience is.

I was considering upgrading to reduce the morning noise for the household, and learned that big burrs are faster and can be quieter. Maybe that's true?

Going down the rabbit hole, it seems like the burrs can also affect the taste (clarity, body, etc.) in wildly different directions, not necessarily one size fits all.

Is there anyone with more than one grinder over time that has noticed one way or the other? I use a Niche now, and had a Commandante 40. I just drink espresso, but what do I know? In this case, nothing!

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[–] Carrolade@lemmy.world 6 points 2 days ago

The only significant difference flavor-wise I'm aware of from burr size is that a larger burr has more mass, and is more resistant to heating up from friction during use, with that accompanying expansion changing the grind characteristics. Tbh though, I think you need to be going either high volume at a commercial scale, or be trying to perfectly nail some ultra-precise extraction recipe for an award-winning cup of coffee for the thermal expansion to become relevant.