John Stack (1906–1972) was an aerospace engineer. He won the

Collier trophy The Robert J. Collier Trophy is an annual aviation award administered by the U.S. National Aeronautic Association (NAA), presented to those who have made "the greatest achievement in aeronautics or astronautics in America, with respect to ...

, in 1947 and 1951.

Life

Stack was born in

Lowell, Massachusetts Lowell () is a city in Massachusetts, in the United States. Alongside Cambridge, It is one of two traditional seats of Middlesex County. With an estimated population of 115,554 in 2020, it was the fifth most populous city in Massachusetts as ...

, and graduated from

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of th ...

. He worked at

Langley Research Center The Langley Research Center (LaRC or NASA Langley), located in Hampton, Virginia, United States of America, is the oldest of NASA's field centers. It directly borders Langley Air Force Base and the Back River on the Chesapeake Bay. LaRC has f ...

from 1928 to 1962, and

Republic Aircraft Corporation The Republic Aviation Corporation was an American aircraft manufacturer based in Farmingdale, New York, on Long Island. Originally known as the Seversky Aircraft Company, the company was responsible for the design and production of many important ...

, from 1962 to 1971. He died in 1972. John Stack - GPN-2000-001257

He worked on

transonic Transonic (or transsonic) flow is air flowing around an object at a speed that generates regions of both subsonic and supersonic airflow around that object. The exact range of speeds depends on the object's critical Mach number, but transoni ...

flight. He was part of the

Bell X-1 The Bell X-1 (Bell Model 44) is a rocket engine–powered aircraft, designated originally as the XS-1, and was a joint National Advisory Committee for Aeronautics–U.S. Army Air Forces–U.S. Air Force supersonic research project built by Be ...

team. He worked with the

Variable Density Tunnel The Variable Density Tunnel (VDT) was the second wind tunnel at the National Advisory Committee for Aeronautics (NACA) Langley Research Center. Proposed by German aerospace engineer, Max Munk in May, 1921, it was the world's first variable density ...

, on compressible airflow.

Works

*''The Compressibility Factor'' National Advisory Committee for Aeronautics, 1935
''The Compressibility Bubble''
National Advisory Committee for Aeronautics, 1935 * John Stack, Albert E Von Doenhoff,
Tests of 16 related airfoils at high speed
NACA-report-492, 1935 *John Stack, W. F. Lindsey, ''Tests of N-85, N-86, and N-87 Airfoil Sections in the 11-inch High-speed Wind Tunnel'', National Advisory Committee for Aeronautics, 1938

References

External links

* * * {{DEFAULTSORT:Stack, John 1972 deaths 1906 births Collier Trophy recipients People from Lowell, Massachusetts Massachusetts Institute of Technology alumni Langley Research Center American aerospace engineers 20th-century American engineers