How do you find your tightest basket?

by **coffee.me** on Sun Sep 04, 2011 7:09 am

I have four old Rancilio double baskets and want to find which one restricts flow the most. I tried to test them by preparing them all at once (with the exact dose and prep) then brew them (without preinfusion) to try and see which one has the slowest flow. If there was a difference, it was too small to be noticed by my tired eyes...

Any trivial, accessible, way for achieving my objective more accurately?

by **another_jim** on Sun Sep 04, 2011 12:43 pm

Fill each basket with the same coffee, grind and dose; time shot to 25 seconds, weigh shot. Tightest basket == lightest shot.

In my stash, Faema singles are tighter than LM singles; Faema doubles are tighter than LM doubles; Strada/VST baskets are the loosest doubles; Michael Teahan's "microfine baskets" the tightest.

by **coffee.me** on Sun Sep 04, 2011 1:37 pm

another_jim wrote:Michael Teahan's "microfine baskets" the tightest.

This is a cool piece of info, can you say their flow rate is mid-way between LM doubles and singles? I want to buy them but not if they're just a wee bit tighter.

another_jim wrote:time shot to 25 seconds, weigh shot.

I was hoping for a more lazy-friendly idea but you're right, I weigh the doses anyway so maybe I shouldn't get lazy on the other side of the equation.

by **cafeIKE** on Sun Sep 04, 2011 2:39 pm

Buy a quantity of cheap, preferably less than 2 week old coffee for the test. Be as consistent as possible and do at least 3 shots per basket.

You don't want to be fooled by randomness

by **Randy G.** on Sun Sep 04, 2011 3:00 pm

Q: How do male elephants find female elephants in the tall grass?
A: Very nice, thank you.

by **coffee.me** on Sun Sep 04, 2011 3:08 pm

Randy G. wrote:Q: How do male elephants find female elephants in the tall grass?
A: Very nice, thank you.

Man that was so helpful, heck, it can make a great "chapter" on your website.

by **another_jim** on Sun Sep 04, 2011 3:47 pm

coffee.me wrote: can you say their flow rate is mid-way between LM doubles and singles? I want to buy them but not if they're just a wee bit tighter.

2nd graph

by **Randy G.** on Sun Sep 04, 2011 4:00 pm

coffee.me wrote:Man that was so helpful, heck, it can make a great "chapter" on your website.

Already planned to appear right after the one on how to find a sense of humor in the desert.

by **coffee.me** on Sun Sep 04, 2011 4:06 pm

another_jim wrote:2nd graph

If I understood that correctly, an LM single could be "it" since the graph says it held upto 11g+; it also has a small hole area and is not tapered.


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