captions transcript BF-2114: XV-1 Convertiplane Film Description: Commercial film produced by McDonnell Aircraft Corporation to promote the experimental XV-1 convertiplane, a gyroplane submitted to the Army-Air Force joint research program in 1951. Date: 1952 Duration: 12 minutes 51 seconds Creator: McDonnell Aircraft Item Type: Refine your search to only Video Partner: UNT Libraries Special Collections