Aeronaut wrote: My understanding is similar, except that in addition to 100% of the solenoid’s output partially recharging the input caps, the balance of the power required for the next cycle would cut into the X-ray converter’s net profit output. Thus, it’s likely to be a long hard slog from unity to the first useful megawatt hour.
I hadn’t seen any info that more than the solenoid’s output would be required. Where did you get that?