The futuristic XB-70A was originally conceived in the 1950s as a high-altitude, nuclear strike bomber that could fly at Mach 3 (three times the speed of sound) – any potential enemy would have been ...
The maiden flight of the XB-70A ended with tire blowout and fire. With a planned cruise speed of Mach 3 and operational altitude of 70,000 feet, the B-70 Valkyrie was slated to be the ultimate ...
Modern Engineering Marvels on MSN
Why America’s Mach 3 Valkyrie became a brilliant dead end
The XB-70 Valkyrie was not defeated by bad engineering. It was defeated by a strategic idea that aged faster than the ...
As a result, in 1961, the expensive B-70 bomber program was canceled before any Valkyries had been completed or flown. Even so, the U.S. Air Force (USAF) bought two XB-70As which were used for flight ...
The Air Force officers who christened their controversial new research plane the Valkyrie were probably confused. Valkyries were the screaming maidens of Nordic mythology who selected the warriors who ...
Arizona eBay Seller Lists Large Wing Section of Crashed XB-70 Valkyrie for Auction. With the exception of the occasional echoing thunder of jet noise, the desert is silent here. Snakes and big desert ...
GE won a contract for the J93 propulsion system of the North American XB-70 Valkyrie supersonic bomber in 1957. The highly-advanced, lightweight single-shaft turbojet engine incorporated variable ...
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