Because the pistons have to travel only half the distance, so the engine can be run at double the speed. One of the key features of the OPOC design is that the basic single engine is really a module ...
Earlier this year, we wrote about the OPOC engine from EcoMotors. Since then, we've discovered another opposed-piston engine, from Achates Power in San Diego by"Engine Smarts" Tom Berg, Senior Editor ...
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