opposed-cylinder

opposed-cylinder

adj
(General Engineering) (of an internal-combustion engine) having cylinders on opposite sides of the crankcase in the same plane
References in periodicals archive ?
According to the company, Achates Power, its design has overcome many of the emissions problems of earlier opposed-cylinder configurations, and its engine consumes about 20 percent less fuel than a conventional diesel.
The FPE discussed in this article is an opposed-piston opposed-cylinder (OPOC), two-stroke engine which offers the highest power density and scavenging efficiency among the FPE architectures.
Over the years, mechanical engineers developed new designs, including larger in-line, vee, rotary, radial, and opposed-cylinder engines to suit an increasingly wide range of military and civilian applications.