Input lever
Time & Sequencing
Wheel face
Timer start rule
The event that starts the timer.
AeroPress Wheel Variable
Extraction progression
Time & Sequencing · Process state
How extraction advances across the brew timeline.
Process state
Time & Sequencing
Advanced detail
Technical science
Inferred
Definition
Extraction progression is the time-structured path of the brew rather than a single final extraction number.
Why It Matters
It helps explain why late agitation or delayed pressing tastes different from early intervention.
Page Context
Extraction progression is part of the Brew Supply AeroPress Wheel and helps brewers describe how extraction advances across the brew timeline.
Related variables
Input lever
Time & Sequencing
Advanced detail
Grind-by time
The target time by which grinding should be complete.
Input lever
Time & Sequencing
Wheel face
Bloom time
The time between initial wetting and the next major action.
Input lever
Time & Sequencing
Wheel face
Pour timing
When staged pours start and end.
Input lever
Time & Sequencing
Detail panel
Cap-on timing
When the filter cap is attached.
Input lever
Time & Sequencing
Wheel face
Stir timing
When stirring happens in the brew.
Affected outcomes
Measured metric
Cup Outcome
Wheel face
Beverage TDS
Measured total dissolved solids in the served beverage.
Calculated metric
Cup Outcome
Wheel face
Extraction Yield
Calculated percentage of coffee mass extracted.
Measured metric
Cup Outcome
Wheel face
Beverage Yield
The liquid beverage mass collected or served.
Cup outcome
Cup Outcome
Wheel face
Aroma
The smell of the brewed coffee.