Input lever
Delivery & Mixing
Wheel face
Pour rate
The speed at which water is poured.
AeroPress Wheel Variable
Stir depth
Delivery & Mixing · Input lever
How deep the stir tool goes into the slurry.
Input lever
Delivery & Mixing
Detail panel
Competition practice
Inferred
Definition
Stir depth distinguishes shallow surface agitation from deep full-bed agitation.
Why It Matters
The same count and direction can behave differently when the stir reaches a different depth.
Page Context
Stir depth is part of the Brew Supply AeroPress Wheel and helps brewers describe how deep the stir tool goes into the slurry.
Related variables
Input lever
Delivery & Mixing
Detail panel
Pour intensity
How forceful the pour is.
Input lever
Delivery & Mixing
Wheel face
Pour pattern
The spatial path of the pour.
Input lever
Delivery & Mixing
Detail panel
Pour stages
The number and structure of pours.
Input lever
Delivery & Mixing
Detail panel
Saturation method
How the brewer ensures all grounds are wetted.
Input lever
Delivery & Mixing
Wheel face
Exact stir count
The exact number of stir motions.
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.