Otto engine
Large stationary single-cylinder internal combustion four-stroke engine / From Wikipedia, the free encyclopedia
This article is about the stationary engine. For a discussion of related thermodynamic principles, see Otto cycle.
The Otto engine is a large stationary single-cylinder internal combustion four-stroke engine, designed by the German Nicolaus Otto. It was a low-RPM machine, and only fired every other stroke due to the Otto cycle, also designed by Otto.
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