Re: Building a Stirling Engine Heat Pump, Anyone ?
researched into definitly does not mean that it is a good tech only a possible approach. given it is still at the research stage after decades is probably a bad indictator. As an example car industries adiabatic engines (0 heat transfer) and 2 stroke engines have been under research for years and had billions of $ put into them and have never reached developed product stage.
low signatures submarines is because an external combustor is quiet.
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