Opposed Piston Opposed Cylinder Engine

engineeringtv.com — An extremely lightweight opposed piston opposed cylinder (OPOC) engine has been developed under a Defense Advanced Research Projects Agency (DARPA)program. FEV and Advanced Propulsion Technologies (APT)were asked by the U.S. Army Tank Automotive Research Development and Engineering Center (TARDEC) to modify this engine for heavy-truck applications. Mar 8, 2009 View in Crawl 4