The Knock‐rating of Fuels: The Application of Results Obtained in a Test Engine to Aviation Fuels

This paper was read before the World Petroleum Congress on July 19, 1933. Mr. Pye acted as chairman of a committee set up by the Institution of Petroleum Technologists to investigate the corelation of knock‐rating as determined in a test engine with the results obtained using aero‐engine cylinders. This paper prepared by him summarises the results of the committee's investigations