I came across this website powerxtractor.com through a friend of mine
and this new engine sounds pretty impressive, but I don't know enough
myself. What do you all think, is it really good as my friend said?
The first rotor supercharges the intake for the second, while also further expanding the combustion gases from the second, so instead of having two "pumps", as shown in your link, there is a single rotor that is powered by and draws in those combusting gases. It would be interesting to see if the second rotor drives the first rotor to compress air and extract gases, or if the second rotor plus the further gas expansion in the first rotor drives the compression.
Either way, the engine is far more efficient, quieter and exhaust gases are much cooler. I did check out some of Moller's patents and patent applications on this, and they do have a good system for air cooling the rotors, so that oil is no longer required.
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