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XB-70 Valkerie Pilot's Flight Operating Manual

By United States Air Force, NASA
Paperback
$45.95
By United States Air Force, NASA
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The XB-70 Valkyrie was an aircraft ahead of its time. Equipped with drooping wingtips, and designed with one of the highest lift-to-drag ratios in aviation history, the XB-70 challenged the known concepts of the flight envelope and demanded extraordinary developments in engineering and construction. The test program produced promising results, including a Mach 3 flight in May of 1966. Yet after a disastrous collision later that year resulted in the loss of one of two prototypes, the Valkyri...

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TransportationAviationAviation History - General & Miscellaneous