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Yeager and his wife, Glennis, had four children before her death in 1990.
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In 1979, Tom Wolfe's best-selling nonfiction book, "The Right Stuff ," and the subsequent 1983 movie popularized Yeager's exploits to a generation too young to remember them. His last flight as a military consultant occurred 50 years to the day after he broke the sound barrier, at the age of 74.Īccording to This Day in Aviation, he told the crowd, "All that I am…I owe to the Air Force." After 34 years in the military, he retired in 1975 at the rank of brigadier general, though he continued to serve as a consultant.
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He flew more than 120 combat missions in Vietnam. Yeager continued to fly experimental aircraft for the Air Force, and was appointed director of the Space School, NASA's precursor, where he trained astronauts to prepare for launch. (Image credit: Air Force Test Center History Office) The plane remained supersonic for approximately 20 seconds before Yeager turned off two of the four engines and slowly decelerated.Ĭhuck Yeager continued to act as a flight consultant for the air force until his last flight on October 14, 1997. Some say the "crack" is a small sonic boom.)Īfter exceeding the speed of sound, the buffeting decreased, creating a smooth short flight. (The end of a bullwhip moves faster than the speed of sound. As the plane accelerated to a speed of 700 mph (1,127 km/h), or Mach 1.06, controllers on the ground heard the first sonic boom. When the controls locked up, he successfully used the horizontal stabilizer to keep the plane stable at an altitude of 43,000 feet (13,000 meters). 14, 1947, Yeager and the X-1 were dropped from the B-29, and quickly accelerated away. Unable to close and latch the side door by hand, he utilized a broom handle at the suggestion of a fellow pilot. Knowing that he would never be allowed to fly, he traveled to a doctor off base and had them taped up. Two days before his historic flight, Yeager was thrown from a horse while riding with his wife and broke two ribs. Another pilot suggested using the horizontal stabilizer to correct the problem, and on-the-ground tests seemed to suggest the alternate method of control would work. He cut the engines, dumped the fuel, and landed safely in the desert. 94, Yeager lost the ability to control the plane's elevator, which was a problem because the shock waves caused the nose to pitch up and down. 86 Mach on the sixth flight, the X-1 began to experience turbulence from the shock wave formed by the compression of the air.
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(The speed of sound is about 758 mph or 1,220 km/h at sea level, and decreases with altitude.) 2 Mach moves at only two-tenths the speed of sound, while Mach 1 is equal to it. Mach is a unit of measuring the speed of sound in a given medium a plane traveling at. 29, 1947, with subsequent attempts increasing speed by two-hundredths of a Mach number. Yeager's first test launch of the Glamorous Glennis took place on Aug. It was there that Yeager was selected to be the first person to attempt to exceed the speed of sound. Albert Boyd, in charge of the test program for the Air Force, invited him to become a test pilot, and Yeager accepted, transferring to Muroc to enroll in the Flight Performance School. In 1945, he was assigned as a maintenance officer to the Flight Test Division at Wright Field, Ohio, flight-testing the planes. From there on, I was in the right place at the right time," he told Forbes. "With my visual acuity and understanding of mechanics, I was really a hell of a lot better than the cadets. The military required a college education for its pilots, but when they didn't get enough applicants for the cadet flier program in 1942, they dropped the requirements to a high school diploma. Flying looked pretty good to me," he told Forbes. "But I noticed that, as a mechanic, my hands were always greasy while the pilots' were clean - and they had good-looking girls on their arms. In a 2017 interview with Forbes, Yeager said he was a gifted mechanic who had never seen an airplane before he turned 18. Like many of his generation, Yeager enrolled in the military in 1941. Army Air Corps at the age of 18 and served in World War II, where he flew 64 combat missions. Charles Elwood "Chuck" Yeager enlisted as a private in the U.S. The man who would become the most famous test pilot in American history was born in West Virginia on Feb. Muroc Air Force Base - now known as Edwards Air Force Base - in the empty southern California desert provided an ideal spot for testing a variety of experimental vehicles, including the X-1. The plane, nicknamed the "Glamorous Glennis" for Yeager's wife, slowly approached the sound barrier over the course of nine flights.