SciTechDaily
NASA Breaks the Sound Barrier With New Mars Helicopter Rotors
NASA’s new Mars helicopter rotors survived supersonic testing, boosting lift by 30% and paving the way for heavier, more capable aerial explorers on the Red Planet. NASA engineers have successfully pushed helicopter rotor blades past the speed of sound during tests designed to support future Mars missions. The experiments, conducted in March at NASA’s Jet [...]from SciTechDaily https://ift.tt/vczoKVh
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