How much will I have to modify my helicopter to have it fly supersonic?
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As explained in this question, current rotary wing aircraft cannot surpass the speed of sound because of retreating blade stall and the fact that the sonic boom would literally rip off the rotor. However, I want to have a helicopter-like search and rescue craft that can go supersonic. What is the least amount of change from a current-day helicopter that would allow my helicopter to go supersonic?
Parameters:
- My aircraft must be able to take off vertically
- My aircraft must not be broken after a single supersonic flight
- The 'current-day helicopter' that I am referring to is the Westland Lynx, which currently holds the helicopter air speed record at 400.87 km/h.
- The maximum change is the F-35B Lightning II, the only present-day V/STOL aircraft capable of supersonic flight.
- I would prefer for the helicopter to keep its rotors, and if not that, its shape, but if that is not possible that would be fine.
This post was sourced from https://worldbuilding.stackexchange.com/q/107280. It is licensed under CC BY-SA 3.0.
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