In reply to Jones Beene's message of Tue, 25 Aug 2020 02:19:47 +0000 (UTC): Hi, [snip] >Say, having enough microwave energy to power a drone might mean that they >could also test a hybrid resonant cavity so both things could be going on. I >suppose that it would be possible to design an EM-type drive, especially if >one can be made of superconductor, where some of the RF energy bouncing around >in the cavity is allowed to bleed out in a single vector, and thereby act as a >photon rocket engine in addition to whatever else is going on.
You don't need a leaky EM drive for a photon rocket. An ordinary radar dish will do just fine.
