Well done firstly. Your ideas ound like they could be promising although there are some issues that could do with clearing up. On the engine itself you dont mention any of the rotor dynamics or balance issues that will arrise. Nor it there any mention of loadings or induced stress in the bearings of rotor parts. As you probably know engines that are designed to operate at high angular speeds (technically above 3000 rpm) need to be balanced to a high degree. These high speeds will also have an effect on the other components. I will not go into details though as it could get confusing. There is no indication of the lubrication techniques that you are thinking about employing nor the wear characteristics on any of the 3 main accelerating components. This would be interesting to know so the shortfalls of the design could be changed. Of course the wear and life of the components is related to the material choice, of which there is no mention. I also noticed that although the graphs that are published look promising, there are no descernable units of comparison. Presumably most of the figures are based around past experience of rotary engines and initial calculations, however they leave a lot to be desired. Having said all of the above, i would still be interested in more details about the project and i would be interested in using a prototype for the Shell Eco Marathon which the university that i am based at will be entering soon.

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