Squish Angle

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Squish Angle Programme

This programmme calculates the effective Squish Angle for a reciprocating internal combustion engine.

The result is important for calculating peak squish velocities.


An engine has an outer squish clearance of 0.8 mm and an inner of 1.3 mm. The distance between the measurement pts is 8 mm. Enter these details into the Squish Angle Programme and hit the calculate button. The squish angle is calculated as 3.58 degrees.

Squish Angle Programme