It has been found recently that getting all air out
of a space even if it is hair thin results in near zero heat transfer.

Heck I could have told them that. The old thermos
bottle that kept your coffee warm for hours did exactly
that.

What we need is a rotor built that way to keep the heat
in the combustion chamber and out of the oil.

Right now one third of the cooling requirement is oil.

Those are the kinds of developments necessary to improve
the BSFC of the rotary. It is all about heat management.

Of course recovering some of the 50% of the fuel energy
in the fuel is exited out the exhaust pipe typical of all internal
combustion engines is still the greatest priority.

Paul Lamar

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