Piston rings are crucial components in the internal combustion engines that power a wide range of aircraft. These small, often overlooked parts play a significant role in ensuring the efficient operation of an engine, contributing to its overall performance and longevity. In this blog, we'll explore the functions of piston rings, the different types available, and their specific uses in aircraft engines. Understanding Piston Rings Piston rings are circular metal bands, typically made from cast iron or steel, that fit into grooves on the outer circumference of a piston. The piston itself is a cylindrical component that moves up and down inside the engine's cylinder, transferring the force generated by the combustion of fuel into mechanical energy that powers the aircraft. Piston rings are critical because they form a seal between the piston and the cylinder wall. This seal ensures that the combustion gases generated in the combustion chamber do not escape, maintaining th...