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| Bell X-1 Planes |
Bell X-1 was the first X plane built and was the greatest project ever done to reveal and analyze the sound barrier. Charles Elwood was the first person to break the sound barrier in his Bell X-1 aircraft on October 14, 1947.
Showing posts with label Bell X-1 Planes. Show all posts
Showing posts with label Bell X-1 Planes. Show all posts
Monday, August 13, 2012
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