Originally posted by Skydancer
Wow I'm living in SCi Fi world. Could someone invent a time machine to take me back to when things were a bit simpler!
its not that bad. iirc, a scramjet is just a tube with fuel injectors, less complicated than props or jets.

inside the tube, they inject fuel and light it, that all there is to it. only problem is that it needs to be moving to work, so that nasa thing needed to be dragged up to mach 9 to start!