Published On Mar 29, 2016
Shows wind tunnel testing and computer modeling done on Tiltrotor / rotorcraft prior to building the final aircraft. Shows helicopters and the XV-15 Tiltrotor in flight.
This film has been made available courtesy the US Department of Defence, NASAimages.org and the US National Archives.
CharlieDeanArchives - Archive footage from the 20th century making history come alive!
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