National Security Journal on MSN
At Mach 6.7 and 4,520 mph, the X-15 set the crewed aircraft speed record in 1967 — 59 years later, no one has flown faster
On October 3, 1967, U.S. Air Force pilot William “Pete” Knight flew the X-15A-2 to 4,520 miles per hour — Mach 6.7 — setting ...
Hypersonic speeds are defined by those exceeding Mach 5, and lately there’s been a lot of buzz about unmanned hypersonic vehicles making test flights. Vehicles returning from orbital flight also ...
Hoka says you’ll love these new Mach 7s because they’re “Built with the same proven materials, we’ve given the Mach 7 an esthetic overhaul with futuristic lines and refined the creel jacquard upper to ...
Interesting Engineering on MSN
NASA confirms Mars helicopters could survive Mach 1.08 to boost lift by 30 percent
Engineers at NASA’s Jet Propulsion Laboratory have confirmed that an advanced rotor blade design ...
The rotor blades that will carry NASA's next-generation helicopters to new Martian heights broke the sound barrier during ...
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