This should not be confused with the Opposed-piston engine.

The company also produced an opposed-piston engine with a complex variable-stroke linkage.

The Michel engine was an unusual form of opposed-piston engine.

The cars were powered by 18 hp opposed-piston engines.

The two-stroke cycle compounds the efficiency benefits of the opposed-piston engine architecture.

For the first time, an extremely compact opposed-piston engine was used : the 4TD, designed by the plant's engine design team.

A research diesel engine for test bed use only, the Mo3 was a four cylinder, (eight piston), opposed-piston engine designed to run horizontally.

Comparisons to four-stroke engines are made to support the case for reconsidering opposed-piston engines for certain applications.

Slaby placed him with the Continental-Gasgesellschaft in Dessau, where he worked on the development of the first opposed-piston engine.

This was of unique layout, an opposed-piston engine with a triangular layout of three banks, 18 cylinders in total.

Fairbanks-Morse developed a unique opposed-piston engine that was used in their locomotives, as well as in submarines.

A boxer engine should not be confused with the opposed-piston engine, in which each cylinder has two pistons but no cylinder head.

Using materials from historical and unpublished internal research reports, the authors present the rationale for opposed-piston engines and discuss their diverse architecture, design and performance.

Although Koreyvo patented his engine in France in November 1907, the management would not go on to manufacture opposed-piston engines.

The Doxford Engine Works of the UK designed and built very large opposed-piston engines for marine use.

Entering service in the early 1930s, the two-stroke Junkers Jumo 205 opposed-piston engine was much more widely used than previous aero diesels.

An opposed-piston engine is a reciprocating internal combustion engine in which each cylinder has a piston at both ends, and no cylinder head.

The 5TDF opposed-piston engine, while powerful and compact, was very finicky and prone to malfunctions and fires.

Historically, the opposed-piston engine was used in U.S. diesel-electric submarines of World War II and the 1950s.

A variation on the opposed-piston engine is the free-piston engine, which was patented in 1934 by Raúl Pateras de Pescara.

Opposed-piston engines put two pistons working at opposite ends of the same cylinder and this has been extended into triangular arrangements such as the Napier Deltic.

The uniflow opposed-piston engine uses two pistons in one cylinder with the combustion cavity in the middle and gas in- and outlets at the ends.

The Achates Power opposed-piston engine, is modeled after the opposed-piston architecture made popular by the Junkers Jumo 205/207 aviation engines developed in the 1930s.

Its high-performance opposed-piston engine makes it one of the fastest MBTs in the world, with a power-to-weight ratio of about 26 horsepower per tonne (19 kW/t).

From 1896 Saurer also manufactured petrol engines and the next year Hippolyt Saurer initiated the production of a phaeton body automobile run by a one-cylinder opposed-piston engine.