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SR-72 darkstar top speed mph

SR-72 darkstar top speed mph

The SR-72 Darkstar is designed to fly at Mach 6, or 4,600 miles per hour (mph). This makes it the fastest plane ever developed, and about twice as fast as the SR-71 Blackbird.
 

The SR-72 is powered by combined-cycle engines that switch between turbofan and scramjet modes. It can fly at supersonic speeds (Mach 1.2 to Mach 5) using turbofan mode, and hypersonic speeds (Mach 5 to Mach 10) using scramjet mode.

The SR-72 is a top-secret project, and the United States Air Force has not publicly revealed many details. However, some speculate that the SR-72 will have a range of about 3,000 miles, and a combat radius of about 1,500 miles.

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