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IRIS Combustion
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The IRIS offers the simplicity of a two-stroke combustion cycle with the efficiency of a four-stroke engine.  The design utilizes an innovative valve/vent system that also enables the engine to breathe far more effectively than traditional piston-in-cylinder mechanisms.





Frame-by-frame explanation:












For animations of the IRIS combustion cycle and power take-off, please click here or contact us.

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