RussellMc wrote:
> Note that the various heat engine solutions being discussed in
> response to Olin's challenge do NOT use the screw in the above
> manner-they use it as a an inertial or momentum driven system with the
> fluid flow reacting against the rotor.

No, mine certainly uses it in the traditional Archemedes spiral mode.  My
design does not rely on any inertia.  If you were to externally hold my heat
pump fixed for a little while, it would actually store up some internal
potential energy such that you'd get more out when you released it.


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