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Division 4.3.2

Original text. Later amendments are not shown.

The certification impactor shall have a mass of 1,0 ± 0,01 kg. This mass includes those propulsion and guidance components which are effectively part of the impactor during impact. The linear guidance system shall be fitted with low friction guides which do not contain any rotating parts. The diameter of the flat impactor face shall be 70 ± 1 mm, while the edge shall be rounded by a 5 ± 0,5 mm radius. The face of the certification impactor shall be made of aluminium, with an outer surface finish of better than 2,0 micrometers.