21 firings and no failure. The European engine is expected to drive the drone to Mach 5

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Since hypersonic technology has ceased to be solely a domain of secret military programs, I have the impression that the manufacture has fallen into a trap of awesome numbers. Everyone wants to talk about Mach 5, Mach 8 or Mach 10, but much little mentions what will happen to the device after reaching this speed. That's why I was curious in the French Envol program. AndroMach does not [...]