Engine building is technically a science, but the truth is that there is just as much art as there is science. Where most might think that the “art” part of engine building is in the design and ...

In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

First-time engine builders and those working on mass-produced powerplants commonly use off-the-shelf pregapped piston rings. However, high-performance engine builders seem to spend a lot of time ...

SAE Transactions, Vol. 96, Section 7: FUELS AND LUBRICANTS (1987), pp. 240-257 (18 pages) Extensive measurements of oil film temperature and mainly of friction losses have been performed on an ...

Tribological evaluation of the interaction between a piston ring and the cylinder liner is a key step toward understanding engine tribology. This kind of test helps automotive manufacturers to comply ...