Opposed Piston Engine Technology is not new, but its application to small two-stroke gasoline engines is unexplored. This presentation explores the potential advantages of such an engine as well as progress towards a workable design

Morris, Donald R

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Progress Toward an Opposed Piston Two Stroke Gasoline Aviation Engine Abstract The most famous opposed piston two stroke engine ever to fly was the Jumo 206, developed by Nazi Germany to extend the benefits of diesel economy and long reliability to aviation.  They did a remarkable job, but the engine fared poorly against Spitfires in combat, and the project was largely abandoned.  Some 50 years later, a renewed wave of interest in the concept has seen several major engine companies experimenting with the design in order to re-introduce its benefits.  The author began researching this same aspect several years ago before determining that his research would be largely duplicating that already done by others.   About this time, the author began to wonder about the possibility of using the same two stroke opposed piston paradigm in a gasoline engine.  If this paradigm could produce a diesel engine light enough to fly, what could it do to the gasoline engine?  Very limited past experimentation on this subject was found, but the results do indicate that an engine based on this technology could be nearly as light as current two stroke engines on the market while maintaining much of the durability and reliability of current 4 strokes.  At the same time, most of the pollution problems associated with current two strokes could be reduced or even eliminated. In this ongoing research presentation, the author would like to share his progress in the development of this engine, and where his research is leading.  

Progress Towards an Opposed Piston Two Stroke Gasoline Aviation Engine

https://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?article=1097&amp;context=asars

Progress Towards an Opposed Piston Two Stroke Gasoline Aviation Engine

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