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Assessing the impact of RDT on espresso extraction
3 Apr 2024

Assessing the impact of RDT on espresso extraction

by Jeremy | posted in: Espresso, Grinding | 0

Does it make a difference? By Jeremy & Joe Download a PDF of this write-up here Download the data for this study here Goal: Assess the impact of RDT on espresso extraction Background:  For years in coffee forums on the … Continued

coffee, espresso, grinding, refractometry, TDS
Exploring the Impact of Particles on Espresso Extraction
1 Jun 2016

Exploring the Impact of Particles on Espresso Extraction

by Jeremy | posted in: Espresso, Grinding, Tools | 26

Initially posted: 01 Jun 16 Abstract This study had two goals: 1) explore the impact of uniform particle size on espresso extraction; 2) explore the impact of particle stratification on espresso extraction. The dependent variables collected were shot time and TDS. … Continued

espresso, grinding, refractometry, TDS
Looking at Burr Sharpness and TDS in Espresso
30 May 2015

Looking at Burr Sharpness and TDS in Espresso

by Joe | posted in: Grinding, Tools | 19

Abstract This experiment assessed differences in espresso total dissolved solids (TDS) as a factor of burr sharpness. Ten shots were pulled for each condition (sharp burrs, dull burrs) and TDS measured using an Atago PAL-COFFEE refractometer. Results revealed a significant … Continued

burrs, espresso, grinding, refractometry, TDS
Espresso Grinding: The Impact of Burr Sharpness on Post-Brew Water Retention
19 Apr 2015

Espresso Grinding: The Impact of Burr Sharpness on Post-Brew Water Retention

by Joe | posted in: Espresso, Grinding | 7

Abstract The goal of this study was to examine the effect of sharp versus dull grinder burrs on the ability of water to saturate a puck of espresso grinds. To assess the level of saturation, post-brew water retained in the … Continued

burrs, coffee, espresso, grinding

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