Here's a few, that like one or two other threads on that general topic, got heated and nasty, thanks to in particular one now departed poster:agreed, I tried to find the EM drive on this site. could not....
http://www.sciforums.com/threads/electromagnetic-drive-produces-thrust-in-vacuum-nasa.145905/
http://www.sciforums.com/threads/em...technology-that-seems-to-defy-physics.156188/
http://www.sciforums.com/threads/to...dy-of-paradoxical-em-propulsion-drive.158400/
If you wish to continue, either post in one of those, or start a new thread.