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In order to investigate the combustion process of a Direct Injection Stratified Charge Rotary Engine (DISC-RE), a statical model combustion chamber was made and 2 stroke diesel engine was used as a Rapid Compression Machine (RCM) for the purpose of fundamental study of some characteristics of DISC-RE operation. This paper present some data on air flow in the model combustion chamber, some films of fuel injection spray, combustion flame propagation, using high speed camera, and test datas of combustion characteristics. From these films, it was clarified what happen inside of the rotor pocket. Generally to take a photograph inside of combustion chamber is very difficult using actual engine, because the combustion chamber moves toward rotational direction, so, using the static combustion chamber is very effective in the study of the fundamental process.