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Supersonic flight is possible without an audible sonic boom

• dave4420 2y ago
  How does fuel usage compare to mainstream aeroplanes?
• magicalhippo 2y ago
  The main project page[1] contains links to various papers used to investigate this, including a 3D acoustic ray tracer[2] developed for this. [1]: https://ascent.aero/project/acoustical-model-of-mach-cut-off/ https://ascent.aero/project/acoustical-model-of-mach-cut-off... [2]: https://etda.libraries.psu.edu/catalog/18490zfh5044 https://etda.libraries.psu.edu/catalog/18490zfh5044
• SideburnsOfDoom 2y ago
  The test flight was commented on at the time, 12 days ago: https://news.ycombinator.com/item?id=42853633 https://news.ycombinator.com/item?id=42853633 Including the obligatory scepticism from the peanut gallery that "Supersonic flight without an audible sonic boom" was even possible.
• deleted 2y ago
  [deleted]