BS ISO 9518:1998

1 Scope
2 Normative references
3 Definitions
4 Test method
    4.1 Principle
    4.2 Materials
    4.3 Apparatus
    4.4 Preparation
          4.4.1 Physical measurements
          4.4.2 Saw chain preparation
          4.4.3 Chain-saw preparation
          4.4.4 Kickback machine preparation
          4.4.5 Chain-saw installation and alignment
          4.4.6 Saw/clamp/cradle assembly balance
          4.4.7 Friction measurements
          4.4.8 Restraining systems alignment
          4.4.9 Impact velocity adjustment
    4.5 Test requirements and procedures
          4.5.1 Test requirements
          4.5.2 Kickback testing
          4.5.3 Kickback energy determination
          4.5.4 Chain brake energy determination
          4.5.5 Chain brake actuation angle measurement
          4.5.6 Chain brake stopping time measurement
    4.6 Kickback angle computation
          4.6.1 Input data
          4.6.2 BASIC computer program
          4.6.3 Results
    4.7 Test report
Annex A (normative) Computer program flowchart
Annex B (informative) Basic computer program

Defines the methodology for determination of the kickback potential of a gasoline-powered chain-saw, including guide bar and saw chain.