From: eripe.dk@gmail.com   
      
   On Tuesday, January 17, 2017 at 5:17:40 AM UTC+7, 0something0 wrote:   
   > So, I came up with an handwave for EMdrives that does not turn them into   
   planet-crackers done cheap.   
   >   
   > "There is a max acceleration because pushing it beyond that point will   
   result in melting the EMdrive. There is also a limit where the resonant cavity   
   becomes over-saturated with the EM particles and will accelerate no more.   
      
   Quick question.   
      
   A Photon rocket has an exhaust V of 3E8 m/s, and if I plug that into the   
   rocket equation with a mass ratio of 1,01 (best we can do with a nuclear   
   reactor i recon) I get a speed of 1% of the speed of light.   
      
   Now an Em drive is like a Photon rocket, except we get 500 times more thrust   
   pr W, so that one would end up at 500% of the speed of light (=98% lightspeed   
   or so)   
      
   True?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)