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The SR-71 Blackbird Can't Use Just Any Jet Fuel – Here's Why (And What It Uses Instead)

Helicopters don't all use the same fuel, nor do airplanes. Some types are rather standard, though, such as Aviation Gasoline for older propeller aircraft and models with piston engines. In addition, ...
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The Air Force’s Mach 6 SR-72 ‘Son of Blackbird’ Is Real and Might Already Be Flying

Key Takeaways: The legendary SR-71 is getting a hypersonic, unmanned successor: the SR-72 "Son of Blackbird," capable of Mach 6 speeds (4,600 mph). The Mission: Unlike its predecessor, the SR-72 is ...