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This is a schematic design exercise -- the exact specifics are a long way off. Do you think a small turbocharger would be better than a supercharger? Is the pressure tank unnecessary?
Keeping in mind that piston engines were invented for steam power, and adapted for gasoline -- steam has a (more or less) constant back pressure, so the pressure in the cylinder is maintained all the way to the bottom of the stroke. Whereas, ignited fuel in a much shorter expansion time, and since it start very near TDC, much of the peak pressure is "wasted" in bending the crankshaft sideways, rather than developing torque.
I think I am assuming some sort of volatile fuel like gasoline or alcohol. Diesel would probably not work in this design.
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