PAS 220 specifies detailed requirements to be considered including:
11 Repeat test of measurement of free angular movement or misalignment
and integrating sound level meters that were designed to conform to the class 1 or class 2 specifications of the second edition of IEC 61672-1
in aluminium alloys for aerospace applications
based on a defined Low Shear Viscosity
Road vehicles. Heavy commercial vehicles and buses. Steady-state circular tests not-eligible PAS 220 specifies detailed requirements1 Scope This International Standard specifies tests for determining the steady state directional control response of heavy vehicles, one of the factors composing vehicle dynamics and road holding properties. It is applicable to heavy vehicles, i. e. commercial vehicles, combinations, buses and articulated buses as defined in ISO 3833, covered by Categories M3, N2, N3, O3, and O4 of UNECE (United Nations Economic Commission for Europe) and EC vehicle