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Assuming the weight is not too much of a penalty, isn't the big difference between the motor vehicle and the power station the dynamic power/torque output requirements of a vehicle?
I suppose you could eliminate that issue if you just use the engine to drive a generator and include a battery of sorts, so that the engine is either running at optimal efficiency or turned off. Not sure the consumers would be too happy about that, but if fuel is sufficiently expensive, they might have to put up with it.
The primary question as I see it is can the advantages of reheated gas offer a more averagely efficient than a single well tuned turbo?
You can save some weight if you dump the mechanical transmission and make the drive all electric (like the Volt).
QuoteThe primary question as I see it is can the advantages of reheated gas offer a more averagely efficient than a single well tuned turbo?I don't think the power generating folks would do it if it didn't, but I am concerned that the dynamic load problem will eat into the gains too much if you allow it to.BTW, do both the turbos drive generators, or is one of them used for boost?