Mach Meter Tape - Reading

Mach Meter Tape - Reading American History Famous Historical Events Aviation & Space Exploration STEM Visual Arts

On the 14th of October, 1947, Captain Charles "Chuck" Yeager flew an airplane at speeds which reached Mach 1. 

Flying the X-1-1, at an altitude of 43,000 feet, he became the first person in the world to fly supersonic when he achieved Mach 1.06.  This image depicts both the moment Yeager made the supersonic jump and the tape from the mach meter which shows the exact results of his effort.

NASA provides more background about this top-secret event:

Capt. Charles E. "Chuck" Yeager was selected as the pilot for flights to Mach 1. He made his first glide flights on Aug. 6, 7, and 8, 1947. Yeager undertook his first powered flight in the X-1-1 on Aug. 29, reaching Mach 0.85. Over the next six weeks, Yeager came closer to Mach 1, reaching Mach 0.997 on Oct. 10.

For the NACA [National Advisory Committee for Aeronautics] engineers, used to a more cautious step-by-step approach, Yeager and the Air Force seemed to be acting in haste. Still, on Oct. 14, Yeager reached a speed of Mach 1.06 at 43,000 feet, becoming the first man to fly supersonic. Air Force officials designated the flight and all data as Top Secret two hours later.

Not until December 1947 would word leak of the achievement, and it was not until March 1948 that the U.S. Air Force officially confirmed the achievement.

Click on the image for a better view.

Media Credits

Image online, courtesy NASA.



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"Mach Meter Tape - Reading" AwesomeStories.com. Oct 07, 2013. Jul 19, 2019.
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