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Bell X-22 and the VTOL transport that almost worked

The Bell X-22 was a ducted fan VTOL aircraft developed for the US military during the 1960s as part of a tri service transport program. Using four tilting ducted fans, it demonstrated stable vertical ...
The Pentagon’s Defense Advanced Research Projects Agency (DARPA) selected Bell Textron to proceed with Phase 2 of its Speed and Runway Independent Technologies X-plane project, which involves a ...
In the early 60s, there were several studies into creating the first mass-produced vtol aircraft. A plane that could operate like a jet, and then at the same time, land vertically where needed. Bell, ...