Input lever
Flow, Pressure & Separation
Detail panel
Press force
The physical force applied to the plunger.
AeroPress Wheel Variable
Plunger speed
Flow, Pressure & Separation · Input lever
How quickly the plunger moves downward.
Input lever
Flow, Pressure & Separation
Wheel face
AeroPress-specific
Competition practice
Inferred
Definition
Plunger speed is the physical movement speed of the plunger and a more precise framing than “press gently.”
Why It Matters
Consistent plunger speed helps stabilize flow and makes press duration meaningful.
Measurement Options
Time over distance
Visual pacing
Video reference
Page Context
Plunger speed is part of the Brew Supply AeroPress Wheel and helps brewers describe how quickly the plunger moves downward.
Related variables
Input lever
Flow, Pressure & Separation
Wheel face
Output flow rate target
The desired liquid output speed during pressing.
Input lever
Flow, Pressure & Separation
Wheel face
Press duration
How long the active press phase takes.
Input lever
Flow, Pressure & Separation
Advanced detail
Pressure ramp
How pressure builds during the press.
Input lever
Flow, Pressure & Separation
Detail panel
Stop depth
The physical plunger position where pressing stops.
Input lever
Flow, Pressure & Separation
Wheel face
Target output mass stop
Stopping the press at a specific collected beverage mass.
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.