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The SR-71 was a masterpiece of aeroengineering, the first jet capable of sustained speeds of Mach 3. But as impressive as Kelly Johnson’s design was, it was useless without a poweplant to propel it to those speeds. And Pratt & Whitney really stepped up to the plate when asked to create the engines for it.…
The SR-71 was a masterpiece of aeroengineering, the first jet capable of sustained speeds of Mach 3. But as impressive as Kelly Johnson’s design was, it was useless without a poweplant to propel it to those speeds. And Pratt & Whitney really stepped up to the plate when asked to create the engines for it.
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