Input lever
Time & Sequencing
Wheel face
Timer start rule
The event that starts the timer.
AeroPress Wheel Variable
Cap-on timing
Time & Sequencing · Input lever
When the filter cap is attached.
Input lever
Time & Sequencing
Detail panel
AeroPress-specific
Competition practice
Inferred
Definition
Cap-on timing specifies the moment the cap is attached in an inverted workflow or another staged sequence.
Why It Matters
It affects heat, aroma retention, trapped air, and prep flow.
Page Context
Cap-on timing is part of the Brew Supply AeroPress Wheel and helps brewers describe when the filter cap is attached.
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
Wheel face
Stir timing
When stirring happens in the brew.
Input lever
Time & Sequencing
Wheel face
Flip timing
When an inverted brewer is flipped.
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.