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Scientists claim to have discovered secret to perfect espresso (www.theguardian.com)

submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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Spoiler, its RDT

In case people do nto know what RDT is, which they really should if they have been into coffee for a little while as it makes a big difference:

RDT is Ross Droplet Technique, which is very much adding water to beans. Named after David Ross who came up with it back in 2005

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[–] [email protected] 5 points 11 months ago* (last edited 11 months ago) (3 children)

Is there an acceptable margin of error? It's wild to me that static would cause a difference outside of that margin.

Why not measure your grinds versus measuring your beans? Or, if you know how much you lose to static, could you compensate for that in your bean weigh?

These solutions seem easier than RDT.

[–] [email protected] 6 points 11 months ago (1 children)

if you know how much you lose to static

That's the trouble, it didn't get vaporized or vanish. It's still in the grinder, or sticking to the collection bin. I'm not an expert or anything but I suspect that the residue oxidizing and mixing with the next batch will have more flavor impact than being a little off with your measurement.

[–] [email protected] 1 points 11 months ago

This feels like it would have the biggest effect. Nice thinkin!

[–] [email protected] 4 points 11 months ago* (last edited 11 months ago)

Honestly, is incredibly easy to spritz them when measuring, throw em in the grinder and be done.

I've never really read much on the actual effects of water on the coffee flavor itself, just the wonderful lack of static. I don't screw with espresso as I'm at my limit for expensive hobbies. I have in the past and a half gram will make a noticable difference in a shot. Enough to ruin it? Completely subjective.

[–] [email protected] 3 points 11 months ago

So the goal is to make your “ideal” shot for the beans you have. Reproducibly. So right off the bat if the ground weight out isn’t equal to the unground weight in (as close and reproducible as possible) then you’ll have to adjust other factors for each shot. Which can quickly become extremely complicated. Especially with static where the amount of loss is going to vary every time.