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    NASA pushes Mars helicopter rotors past the speed of sound for the first time ever — next-gen “SkyFall” aircraft's rotors hit 3,750 RPM, ten times faster than normal helicopters
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    NASA pushes Mars helicopter rotors past the speed of sound for the first time ever — next-gen “SkyFall” aircraft’s rotors hit 3,750 RPM, ten times faster than normal helicopters


    NASA pushes Mars helicopter rotors past the speed of sound for the first time ever — next-gen “SkyFall” aircraft’s rotors hit 3,750 RPM, ten times faster than normal helicopters

    https://www.tomshardware.com/tech-industry/nasa-pushes-mars-helicopter-rotors-past-the-speed-of-sound-for-the-first-time-ever-next-gen-skyfall-aircrafts-rotors-hit-3-750-rpm-ten-times-faster-than-normal-helicopters

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    2. PocketSizedRS on

      Fun fact: if you run the numbers on rotor speed and diameter for a bunch of different helicopter models, they usually run tip speeds of M0.6 – M0.8

    3. redstercoolpanda on

      Past the speed of sound on Mars* that’s an important clarification. On Earth they’re still subsonic