Talk-Polywell.org

All motors require AC... ...Rail guns require switching the coils as the projectile advances... Just to strain a gnat... Technically a rail gun does not. It's a DC current through a circuit completed by the projectile. The B field pushes outward on the current loop and hence pushes the projectile f...

drmike wrote:20 to 50 MV/m are standard insulator capability. I don't think space requirements will be that big an issue.

I was referring specifically to the space required for klystron/traveling wave tube or other vacuum-tube-esque conversion.

Maybe crazy idea for voltage conversion of the high voltage from direct conversion: Since semiconductors to handle that much voltage aren't available yet, go to vacuum tube technology for the DC to AC phase of voltage conversion. A magnetron to handle the voltage, power, and desired frequency range...