August 4, 201015 yr That idea has been around for years, the military was experimenting with that design for stationary generators about 20-30 years ago.
August 5, 201015 yr That idea has been around for years, the military was experimenting with that design for stationary generators about 20-30 years ago. It is even older then that http://en.wikipedia.org/wiki/Opposed-piston_engine The issues with it is that are low rpm engines and take lots of room.
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