Jun/Jul 2008

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REFLECTIONS

A BRIEF WORD

By C. H. Wendel

Recently the GEM office received a technical title for review. From the Proceedings of the Institution of Mechanical Engineers in Great Britain, it is entitled, Combustion Engines-Reduction of Friction and Wear. It is available through SAE Customer Service, Dept. 676, 400 Commonwealth Drive, Warrendale, PA 15096.

As we all know, friction remains one of the greatest problems in the internal combustion engines. For pistons to fit the cylinder without blow-by, they and their rings must be very accurately fitted. Doing so raises the level of friction, and this is then minimized with the use of proper lubricants. This title approaches the problems involved in piston skirt friction and the influence of the oil ring type and design on fuel and oil consumption. Another section deals with the measurement and reduction of piston assembly friction. Oth...

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