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 successfully tested Mars helicopter rotors at Mach 1.08 inside JPL’s Mars simulator chamber, paving the way for larger next-generation aircraft under the proposed SkyFall mission to explore more of the Red Planet. When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA confirmed in a blog post that it had successfully tested two Mars-bound rotor systems, achieving never-before-seen rotational speeds. In the t... [4099 chars]