Flat-4
Revision as of 15:22, 20 January 2006 by 195.225.176.35 (talk)
A flat-4 is a four cylinder internal combustion engine where the cylinders are arranged in a flat configuration. This is not a common configuration, but some brands of automobile have favoured such engines and it is a common configuration for smaller aircraft engines such as made by Lycoming. Although they are considered to be superior to...