Burr geometry and cutting angles
How the shape and angles of burrs influence grind efficiency, particle size distribution, and flavor extraction.
Heat transfer
Scorching and tipping causes
Understand why scorching and tipping occur during roasting and how to prevent them.
Probes: placement, lag, calibration
Understand the critical role of temperature probes in tracking bean and environmental temperatures, ensuring accurate roast profiles and repeatable results.
Burners, airflow paths, and chimneys
Explore how burners, airflow management, and chimney design impact heat distribution, roast consistency, and smoke/degassing control in coffee roasting systems.
Drum vs fluid-bed roasters
Understand the fundamental differences between drum and fluid-bed coffee roasters, including how each affects heat transfer, flavor development, and batch consistency.
Environmental changes and corrections
This topic covers how external environmental factors influence roasting and how to adjust profiles to maintain consistency.